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ZWK15NI [VISHAY]

Cemented Wirewound Resistors with Ferrules;
ZWK15NI
型号： ZWK15NI
厂家： VISHAY    VISHAY
描述：

Cemented Wirewound Resistors with Ferrules
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ZWK, ZWK Ni  
www.vishay.com  
Vishay Draloric  
Cemented Wirewound Resistors with Ferrules  
FEATURES  
• Excellent pulse load capability  
• High operating voltage up to 7350 V  
• Non inductive type (Ni) available  
• Different caps options:  
- GDK style with different inner threads  
- GZK made from drawn brass, nickel plated  
• Easy to change when mounted with spring clips  
The ZWK series, with completely welded construction, is the  
• Non-flammable according to UL 94-V0  
perfect choice for high continuous power dissipation up to  
150 W with the option for a non-inductive type (ZWK Ni).  
With their extremely high pulse power capability, they are  
the ideal choice as inrush current limiters. Typical  
applications include but are not limited to drive systems,  
power supplies, frequency inverters, AC and DC filters, and  
as snubber resistors. Specific application requirements  
(ohmic value, rated power, peak voltage, pulse shape, pulse  
duration, termination style, and environmental conditions)  
can be submitted to Vishay for a recommendation of the  
most suitable product.  
• Material categorization: for definitions of compliance  
please see www.vishay.com/doc?99912  
APPLICATIONS  
• Inrush current limiter  
• Capacitor charge / discharge  
• Snubber resistor  
• Brake resistor  
• Filter resistor  
TECHNICAL SPECIFICATION  
RESISTANCE RANGE (1)  
RESISTANCE RANGE (1)  
OPERATING  
RATED  
TYPE /  
TCR  
-10 ppm/K to -80 ppm/K  
WM50  
TCR  
+100 ppm/K to +180 ppm/K  
WM110  
RESISTANCE  
TOLERANCE  
DISSIPATION  
VOLTAGE  
VARIANT  
P40  
Umax.  
0.47 to 8.2 k  
0.51 to 8.2 k  
5.1 to 8.2 k  
0.24 to 1.5 k  
1.0 to 1.5 k  
0.47 to 12 k  
0.51 to 12 k  
5.1 to 12 k  
0.36 to 2.2 k  
0.75 to 2.2 k  
0.75 to 20 k  
2.0 to 20 k  
0.56 to 3.3 k  
1.5 to 36 k  
2.2 to 20 k  
1.1 to 6.8 k  
1.8 to 47 k  
2.0 to 47 k  
1.5 to 8.2 k  
2.7 to 75 k  
2.7 to 75 k  
2.2 to 13 k  
4.7 to 130 k  
4.7 to 130 k  
3.9 to 24 k  
1.5 to 22 k  
1.5 to 22 k  
-
10 %  
5 %  
ZWK 10  
10 W  
10 W  
15 W  
15 W  
2 %  
0.56 to 3.9 k  
1.0 to 3.9 k  
1.1 to 33 k  
1.2 to 33 k  
-
10 %  
ZWK 10 Ni  
ZWK 15  
5 %  
10 %  
5 %  
2 %  
0.82 to 5.6 k  
1.0 to 5.6 k  
1.6 to 51 k  
-
10 %  
ZWK 15 Ni  
5 %  
10 %, 5 %  
2 %  
ZWK 20  
20 W  
20 W  
40 W  
40 W  
60 W  
60 W  
90 W  
90 W  
150 W  
150 W  
ZWK 20 Ni  
ZWK 40  
1.3 to 9.1 k  
3.3 to 100 k  
-
10 %, 5 %  
10 %, 5 %  
2 %  
P x R  
ZWK 40 Ni  
ZWK 60  
2.7 to 18 k  
4.3 to 130 k  
-
10 %, 5 %  
10 %, 5 %  
2 %  
ZWK 60 Ni  
ZWK 90  
3.3 to 24 k  
6.2 to 200 k  
-
10 %, 5 %  
10 %, 5 %  
2 %  
ZWK 90 Ni  
ZWK 150  
ZWK 150 Ni  
5.1 to 36 k  
11 to 360 k  
-
10 %, 5 %  
10 %, 5 %  
2 %  
9.1 to 62 k  
10 %, 5 %  
Notes  
•
(1)  
The operating temperature range for these resistors is from -55 °C up to 250 °C  
Resistance values are to be selected for 10 % from the E12 series, and for 5 % and 2 % from the E24 series  
Revision: 07-Feb-17  
Document Number: 21012  
1
For technical questions, contact: ww1resistors@vishay.com  
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT  
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000  
ZWK, ZWK Ni  
www.vishay.com  
Vishay Draloric  
PACKAGING  
PACKAGING  
CODE  
TYPE  
QUANTITY  
FORMAT  
DIMENSION OF PACKAGE  
Box size selection according to quantity  
and product size  
All  
LX  
Variable  
Bulk, separately packed with paper  
GLOBAL PART NUMBER INFORMATION  
Part Numbering: ZWK010J11000KLX000  
Z
W
K
0
1
0
J
1
1
0
0
0
K
L
X
0
0
0
VARIANT /  
TERMINAL  
TCR /  
MATERIAL  
TYPE  
RESISTANCE  
TOLERANCE  
PACKAGING  
SPECIAL  
ZWK010 = ZWK 10  
ZWK015 = ZWK 15  
ZWK020 = ZWK 20  
ZWK040 = ZWK 40  
ZWK060 = ZWK 60  
ZWK090 = ZWK 90  
ZWK150 = ZWK 150  
I = GZK  
J = GDK  
(also known  
as GDR and  
M4)  
1 = WM 50  
-10 ppm/K  
3 digit value  
1 digit  
G = 2.0 %  
J = 5.0 %  
K = 10.0 %  
LX =  
loose pack,  
without  
000 = standard  
3 digit code =  
to -80 ppm/K  
3 = WM 110  
+100 ppm/K  
multiplier  
MULTIPLIER  
7 = *10-3  
8 = *10-2  
9 = *10-1  
0 = *100  
customized version (1)  
quantity  
to +180 ppm/K  
1 = *101  
2 = *102  
3 = *103  
Product Description: ZWK 10 1 GDK 100R 10 %  
ZWK 10  
1
GDK  
100R  
10 %  
VARIANT /  
TERMINAL  
TYPE  
TCR / MATERIAL  
RESISTANCE  
TOLERANCE  
Notes  
•
(1)  
The products can be ordered using either the PRODUCT DESCRIPTION or the PART NUMBER.  
For special variants, special windings, or the non inductive (ZWK Ni) versions, please contact: ww1resistors@vishay.com.  
Revision: 07-Feb-17  
Document Number: 21012  
2
For technical questions, contact: ww1resistors@vishay.com  
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT  
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000  
ZWK, ZWK Ni  
www.vishay.com  
DESCRIPTION  
Vishay Draloric  
ASSEMBLY  
The rugged design of cemented wirewound resistors  
enables them to withstand extreme high pulses and makes  
them well suited for use in high power / high current  
applications. Production is strictly controlled and follows an  
extensive set of instructions established for reproducibility.  
The winding is done with specific materials on a specially  
developed fine ceramic body (Al2O3). With different  
diameters and turn spacings, a large ohmic value range can  
be offered. The ceramic used meets the highest  
requirements against mechanical resistance, thermal shock,  
dielectric strength, and insulation resistance at high  
temperatures. The cement coating is fired layer by layer  
several times at high temperatures. The resulting cement  
coating is resistant to the cleaning solvents specified in  
The resistors are available with two different termination  
styles.  
The GDK style has machined caps made from brass material  
CW608N which is plated with nickel. The standard internal  
thread size is M4 acc. to DIN 13-1. For custom inner thread  
sizes, contact: ww1resistors@vishay.com.  
The GZK style has termination caps made from drawn brass  
plated with nickel.  
It is easy to install / replace these components with either  
termination style if they are mounted with spring clips. For  
details about mounting accessories offered, see the  
datasheet: www.vishay.com/doc?21015.  
For special windings or non-inductive (GWK Ni) versions,  
please contact: ww1resistors@vishay.com.  
IEC 60115-1 (1)  
.
The resistors are marked with type, resistance, tolerance  
and winding material.  
3D-Models are available upon request, please contact:  
ww1resistors@vishay.com.  
Product quality is verified by testing procedures, performed  
on all individual resistors.  
APPLICATION INFORMATION  
The power dissipation of the resistor generates  
a
The ZWK series meet single lot / date code packaging  
requirements.  
temperature rise with respect to the ambient. The  
permissible dissipation is derated for temperatures above  
40 °C, as shown in the derating diagram, in order to avoid  
overheating of the resistor. The heat dissipated from the  
resistor may affect adjacent components, therefore proper  
clearance is required in order to avoid overheating.  
MATERIALS  
Vishay acknowledges the following systems for the  
regulation of hazardous substances:  
• IEC 62474, Material Declaration for Products of and for the  
Electrotechnical Industry, with the list of declarable  
substances given therein (2)  
All materials used are non-flammable and inorganic  
according to UL 94-V0.  
These resistors do not feature a limited lifetime when  
operated within the permissible limits. However, resistance  
value drift increasing over operating time may result in  
exceeding a limit acceptable to the specific application,  
thereby establishing a functional lifetime.  
• The Global Automotive Declarable Substance List  
(GADSL) (3)  
• The REACH regulation (1907/2006/EC) and the related list  
(4)  
of substances with very high concern (SVHC)  
supply chain  
for its  
RELATED PRODUCTS  
The products do not contain any of the banned substances  
as per IEC 62474, GADSL, or the SVHC list, see  
www.vishay.com/how/leadfree.  
Hence the products fully comply with the following  
directives:  
In higher continuous power applications and more  
demanding environmental conditions, a vitreous coated  
alternative like the GWK series might be suitable. See the  
datasheet:  
• 2000/53/EC End-of-Life Vehicle Directive (ELV) and  
Annex II (ELV II)  
“Vitreous Wirewound Resistors with Ferrules”  
www.vishay.com/doc?21006  
• 2011/65/EU Restriction of the Use of Hazardous  
Substances Directive (RoHS) with amendment  
2015/863/EU  
For low ohmic values and rated dissipation up to 500 W,  
there is the cemented coated ZBS series. See the  
datasheet:  
• 2012/19/EU Waste Electrical and Electronic Equipment  
Directive (WEEE)  
“Cemented Wirewound Resistors with Corrugated Ribbon”  
www.vishay.com/doc?21011  
Vishay pursues the elimination of conflict minerals from its  
supply chain, see the Conflict Minerals Policy at  
www.vishay.com/doc?49037.  
Notes  
(1)  
Other cleaning solvents with aggressive chemicals should be evaluated in actual cleaning process for their suitability.  
The IEC 62474 list of declarable substances is maintained in a dedicated database, which is available at http://std.iec.ch/iec62474.  
The Global Automotive Declarable Substance List (GADSL) is maintained by the American Chemistry Council, and available at  
www.gadsl.org.  
(2)  
(3)  
(4)  
The SVHC list is maintained by the European Chemical Agency (ECHA) and available at http://echa.europa.eu/candidate-list-table.  
Revision: 07-Feb-17  
Document Number: 21012  
3
For technical questions, contact: ww1resistors@vishay.com  
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT  
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000  
ZWK, ZWK Ni  
www.vishay.com  
Vishay Draloric  
DERATING  
Axis Title  
120  
100  
80  
60  
40  
20  
0
10000  
1000  
100  
10  
-100  
-50  
-55  
0
50  
100  
150  
200  
250  
40  
Ambient Temperature (°C)  
2nd line  
TEMPERATURE RISE  
Axis Title  
Axis Title  
300  
200  
100  
0
10000  
1000  
100  
300  
200  
100  
0
10000  
1000  
100  
ZWK 10  
ZWK 15  
10  
10  
0
2
4
6
8
10  
0
4
8
12  
16  
20  
Dissipation (W)2nd line  
Dissipation (W)2nd line  
Axis Title  
Axis Title  
300  
200  
100  
0
10000  
1000  
100  
300  
200  
100  
0
10000  
1000  
100  
ZWK 20  
ZWK 40  
10  
10  
0
5
10  
15  
20  
25  
0
10  
20  
30  
40  
50  
Dissipation (W)2nd line  
Dissipation (W)2nd line  
Revision: 07-Feb-17  
Document Number: 21012  
4
For technical questions, contact: ww1resistors@vishay.com  
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT  
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000  
ZWK, ZWK Ni  
www.vishay.com  
Vishay Draloric  
TEMPERATURE RISE  
Axis Title  
Axis Title  
300  
200  
100  
0
10000  
1000  
100  
300  
250  
200  
150  
100  
50  
10000  
1000  
100  
ZWK 60  
ZWK 90  
10  
0
10  
0
20  
40  
60  
0
20  
40  
60  
80  
100  
Dissipation (W)2nd line  
Dissipation (W)2nd line  
Axis Title  
300  
250  
10000  
ZWK 150  
200  
150  
100  
50  
1000  
100  
10  
0
0
40  
80  
120  
160  
Dissipation (W)2nd line  
Revision: 07-Feb-17  
Document Number: 21012  
5
For technical questions, contact: ww1resistors@vishay.com  
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT  
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000  
ZWK, ZWK Ni  
www.vishay.com  
Vishay Draloric  
DIMENSIONS AND MASS  
DK  
D
d
GZK  
TERMINATION  
LK  
L
ZWK 10 to ZWK 150 with GZK termination (caps made from drawn brass, nickel pated)  
TYPE /  
VARIANT  
D
(mm)  
L
DK  
(mm)  
LK  
(mm)  
d
(mm)  
MASS (1)  
(g)  
(mm)  
ZWK 10  
12.0 0.8  
15.0 0.8  
15.0 0.8  
22.0 1.0  
22.0 1.0  
22.0 1.0  
22.0 1.0  
51.0 1.3  
61.0 1.5  
81.0 2.0  
101.0 2.5  
121.0 3.0  
166.5 4.2  
266.5 6.7  
11.0  
14.0  
14.0  
21.0  
21.0  
21.0  
21.0  
10.0  
13.0  
13.0  
16.0  
16.0  
16.0  
16.0  
4.5  
5.5  
10  
20  
ZWK 10 Ni  
ZWK 15  
ZWK 15 Ni  
ZWK 20  
ZWK 20 Ni  
5.5  
35  
ZWK 40  
ZWK 40 Ni  
10.0  
10.0  
10.0  
10.0  
65  
ZWK 60  
ZWK 60 Ni  
75  
ZWK 90  
ZWK 90 Ni  
105  
170  
ZWK 150  
ZWK 150 Ni  
DK  
D
d
GDK  
TERMINATION  
LK  
L
ZWK 10 to ZWK 150 for GDK termination (machined caps with inner thread)  
TYPE /  
VARIANT  
D
(mm)  
L
DK  
(mm)  
LK  
(mm)  
d (2)  
(mm)  
MASS (1)  
(g)  
(mm)  
ZWK 10  
12.0 1.0  
15.0 1.0  
15.0 1.0  
22.0 1.0  
22.0 1.0  
22.0 1.0  
22.0 1.0  
56.0 1.0  
66.0 1.5  
86.0 2.0  
108.0 2.5  
128.0 3.0  
173.0 4.2  
273.0 6.7  
11.0  
14.0  
14.0  
21.5  
21.5  
21.5  
21.5  
10.0  
13.0  
13.0  
18.0  
18.0  
18.0  
18.0  
M4  
M4  
M4  
M4  
M4  
M4  
M4  
15  
25  
ZWK 10 Ni  
ZWK 15  
ZWK 15 Ni  
ZWK 20  
ZWK 20 Ni  
40  
ZWK 40  
ZWK 40 Ni  
70  
ZWK 60  
ZWK 60 Ni  
80  
ZWK 90  
ZWK 90 Ni  
110  
175  
ZWK 150  
ZWK 150 Ni  
Notes  
(1)  
Standard gauge, actually mass is depending on resistance value.  
For special inner threads, please contact: ww1resistors@vishay.com.  
(2)  
Revision: 07-Feb-17  
Document Number: 21012  
6
For technical questions, contact: ww1resistors@vishay.com  
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT  
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000  
ZWK, ZWK Ni  
www.vishay.com  
Vishay Draloric  
PULSE HANDLING FOR SHORT PULSES  
For single pulses up to 100 ms duration the following energy resistance chart can be used to calculate the energy a resistor can  
handle. Look to the resistance value or the next higher value of the model you need and follow this row to the energy per ohm  
column to the left. The energy per ohm value multiplied by the resistance value is the energy the resistor can handle for pulses  
less than or equal to 100 ms. This energy divided by 0.1 s is the power the resistor can handle for 100 ms. For the power the  
resistor can handle for 10 ms divide the energy by 0.01 s. The maximum pulse power is limited at 625 x rated power.  
Do not use this chart for ZWK Ni styles. For more information and assistance please contact ww1resistors@vishay.com.  
ENERGY RESISTANCE CHART for Class 1; WM 50 (-10 ppm/K to -80 ppm/K)  
ZWK10  
ZWK 15  
ZWK 20  
ZWK 40  
ZWK 60  
ZWK 90  
nergy  
ZWK 150  
nergy  
E
nergy/  
E
nergy/  
E
nergy  
/  
E
nergy  
/  
E
nergy/  
E
/
E
/  
R ()  
R ()  
R ()  
R ()  
R ()  
R ()  
R ()  
(W  
s
/
)
(W  
s
/
)
(W  
s/)  
(W  
s/)  
(W  
s/)  
(Ws  
/
)
(Ws/)  
1.51E - 03 8.2K 1.51E - 03 12K 1.51E - 03 20K 1.51E - 03 36.0K 1.50E - 03 47K 1.50E - 03 75K 1.50E - 03 130K  
1.51E - 03 6.8K 1.51E - 03 10K 1.51E - 03 16K 1.51E - 03 30.0K 1.50E - 03 39K 1.50E - 03 62K 1.50E - 03 110K  
1.52E - 03 5.6K 1.51E - 03 8.2K 1.51E - 03 13K 2.79E - 03 24.0K 1.51E - 03 33K 1.50E - 03 51K 1.50E - 03 91K  
2.80E - 03 4.7K 2.80E - 03 6.8K 2.79E - 03 11K 2.79E - 03 20.0K 2.79E - 03 27K 2.79E - 03 43K 2.79E - 03 75K  
2.81E - 03 3.9K 2.80E - 03 5.6K 2.80E - 03 9.1K 4.76E - 03 16.0K 2.79E - 03 22K 2.79E - 03 36K 2.79E - 03 62K  
4.79E - 03 3.3K 4.78E - 03 4.7K 4.77E - 03 7.5K 4.77E - 03 13.0K 4.76E - 03 18K 4.76E - 03 30K 4.76E - 03 51K  
4.80E - 03 2.7K 4.79E - 03 3.9K 4.78E - 03 6.2K 7.65E - 03 11.0K 4.76E - 03 15K 4.76E - 03 24K 4.76E - 03 43K  
7.71E - 03 2.2K 7.68E - 03 3.3K 7.67E - 03 5.1K 7.65E - 03 9.1K 7.65E - 03 12K 7.64E - 03 20K 7.64E - 03 36K  
1.17E - 02 1.8K 1.17E - 02 2.7K 1.16E - 02 4.3K 1.16E - 02 7.5K 1.16E - 02 10K 1.16E - 02 16K 7.64E - 03 30K  
1.17E - 02 1.5K 1.17E - 02 2.2K 1.16E - 02 3.6K 1.70E - 02 6.2K 1.16E - 02 8.2K 1.16E - 02 13K 1.16E - 02 24K  
1.72E - 02 1.2K 1.71E - 02 1.8K 1.70E - 02 3.0K 1.70E - 02 5.1K 1.70E - 02 6.8K 1.70E - 02 11K 1.70E - 02 20K  
2.44E - 02 1.0K 2.43E - 02 1.5K 2.42E - 02 2.4K 2.42E - 02 4.3K 2.42E - 02 5.6K 2.42E - 02 9.1K 2.41E - 02 16K  
3.34E - 02 820 3.33E - 02 1.2K 2.43E - 02 2.0K 3.31E - 02 3.6K 3.31E - 02 4.7K 3.31E - 02 7.5K 3.30E - 02 13K  
3.35E - 02 680 3.34E - 02 1.0K 3.32E - 02 1.6K 4.49E - 02 3.0K 4.48E - 02 3.9K 3.31E - 02 6.2K 3.30E - 02 11K  
4.54E - 02 560 4.52E - 02 820 4.50E - 02 1.3K 4.49E - 02 2.4K 4.48E - 02 3.3K 4.48E - 02 5.1K 4.48E - 02 9.1K  
4.56E - 02 470 4.53E - 02 680 4.51E - 02 1.1K 7.63E - 02 2.0K 4.49E - 02 2.7K 4.48E - 02 4.3K 4.48E - 02 7.5K  
7.74E - 02 390 7.70E - 02 560 7.67E - 02 910 7.64E - 02 1.6K 7.63E - 02 2.2K 7.62E - 02 3.6K 7.62E - 02 6.2K  
7.76E - 02 330 7.72E - 02 470 7.68E - 02 750 1.22E - 01 1.3K 1.22E - 01 1.8K 7.63E - 02 3.0K 7.62E - 02 5.1K  
1.24E - 01 270 1.23E - 01 390 1.23E - 01 620 1.22E - 01 1.1K 1.22E - 01 1.5K 1.22E - 01 2.4K 1.22E - 01 4.3K  
1.89E - 01 220 1.88E - 01 330 1.87E - 01 510 1.86E - 01 910 1.86E - 01 1.2K 1.86E - 01 2.0K 1.86E - 01 3.6K  
1.90E - 01 180 1.88E - 01 270 1.87E - 01 430 2.73E - 01 750 2.72E - 01 1.0K 1.86E - 01 1.6K 1.86E - 01 3.0K  
2.78E - 01 150 2.76E - 01 220 2.74E - 01 360 2.73E - 01 620 2.73E - 01 820 2.72E - 01 1.3K 2.72E - 01 2.4K  
3.96E - 01 120 3.93E - 01 180 3.90E - 01 300 3.89E - 01 510 3.88E - 01 680 3.87E - 01 1.1K 3.87E - 01 2.0K  
5.43E - 01 100 5.39E - 01 150 5.35E - 01 240 5.33E - 01 430 5.32E - 01 560 5.31E - 01 910 5.30E - 01 1.6K  
7.33E - 01  
9.65E - 01  
1.25E + 00  
1.60E + 00  
2.01E + 00  
2.02E + 00  
3.09E + 00  
3.12E + 00  
4.56E + 00  
4.60E + 00  
7.67E + 00  
1.20E + 01  
1.59E + 01  
2.07E + 01  
2.09E + 01  
2.99E + 01  
82  
68  
56  
47  
39  
33  
27  
22  
18  
15  
12  
10  
7.27E - 01 120 5.36E - 01 200 7.18E - 01 360 7.17E - 01 470 7.16E - 01 750 7.15E - 01 1.3K  
9.57E - 01 100 9.50E - 01 160 9.45E - 01 300 9.43E - 01 390 7.16E - 01 620 7.15E - 01 1.1K  
1.24E + 00 82 1.23E + 00 130 1.22E + 00 240 1.22E + 00 330 1.22E + 00 510 9.41E - 01 910  
1.58E + 00 68 1.57E + 00 110 1.56E + 00 200 1.56E + 00 270 1.22E + 00 430 1.22E + 00 750  
1.99E + 00 56 1.97E + 00 91 1.96E + 00 160 1.95E + 00 220 1.56E + 00 360 1.94E + 00 620  
1.99E + 00 47 1.97E + 00 75 3.00E + 00 130 1.95E + 00 180 1.95E + 00 300 1.94E + 00 510  
3.06E + 00 39 3.02E + 00 62 3.00E + 00 110 2.99E + 00 150 2.99E + 00 240 2.98E + 00 430  
3.07E + 00 33 4.42E + 00 51 4.38E + 00  
4.48E + 00 27 4.43E + 00 43 4.39E + 00  
4.52E + 00 22 4.45E + 00 36 7.33E + 00  
7.53E + 00 18 7.42E + 00 30 7.35E + 00  
1.18E + 01 15 1.17E + 01 24 1.15E + 01  
91  
75  
62  
51  
43  
36  
30  
24  
20  
4.37E + 00 120 2.99E + 00 200 2.98E + 00 360  
4.38E + 00 100 4.36E + 00 160 4.35E + 00 300  
7.31E + 00  
7.33E + 00  
1.15E + 01  
1.52E + 01  
1.97E + 01  
1.97E + 01  
2.82E + 01  
82  
68  
56  
47  
39  
33  
27  
7.29E + 00 130 4.36E + 00 240  
7.30E + 00 110 7.28E + 00 200  
1.15E + 01  
1.51E + 01  
1.96E + 01  
1.96E + 01  
2.81E + 01  
91  
75  
62  
51  
43  
1.14E + 01 160  
1.51E + 01 130  
1.95E + 01 110  
8.2 1.56E + 01 12 1.54E + 01 20 1.52E + 01  
6.8 2.03E + 01 10 2.00E + 01 16 1.97E + 01  
5.6 2.05E + 01 8.2 2.01E + 01 13 2.83E + 01  
4.7 2.93E + 01 6.8 2.87E + 01 11 2.83E + 01  
1.96E + 01  
2.80E + 01  
91  
75  
Revision: 07-Feb-17  
Document Number: 21012  
7
For technical questions, contact: ww1resistors@vishay.com  
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT  
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000  
ZWK, ZWK Ni  
www.vishay.com  
Vishay Draloric  
ENERGY RESISTANCE CHART for Class 1; WM 50 (-10 ppm/K to -80 ppm/K)  
ZWK10  
ZWK 15  
ZWK 20  
ZWK 40  
ZWK 60  
ZWK 90  
ZWK 150  
E
nergy  
/
E
nergy  
/
E
nergy  
/
E
nergy  
/
E
nergy  
/
E
nergy  
/
Energy/  
(Ws/)  
R ()  
R ()  
R ()  
R ()  
R ()  
R ()  
R ()  
(Ws  
/
)
(Ws  
/
)
(Ws  
/
)
(Ws  
/
)
(Ws  
/
)
(Ws  
/
)
4.17E + 01  
5.15E + 01  
5.23E + 01  
8.38E + 01  
1.27E + 02  
1.29E + 02  
1.90E + 02  
2.70E + 02  
3.9 4.08E + 01 5.6 4.00E + 01 9.1 4.84E + 01  
3.3 5.03E + 01 4.7 4.93E + 01 7.5 4.86E + 01  
2.7 5.09E + 01 3.9 4.96E + 01 6.2 7.78E + 01  
16  
13  
11  
3.92E + 01  
4.83E + 01  
7.74E + 01  
22  
18  
15  
12  
10  
3.90E + 01  
4.80E + 01  
4.81E + 01  
7.72E + 01  
1.17E + 02  
36  
30  
24  
20  
16  
13  
11  
3.89E + 01  
4.78E + 01  
4.79E + 01  
7.68E + 01  
7.69E + 01  
1.17E + 02  
1.71E + 02  
62  
51  
43  
36  
30  
24  
20  
16  
13  
11  
2.2 8.13E + 01 3.3 7.95E + 01 5.1 7.81E + 01 9.1 7.77E + 01  
1.8 1.23E + 02 2.7 1.21E + 02 4.3 1.19E + 02 7.5 1.18E + 02  
1.5 1.25E + 02 2.2 1.22E + 02 3.6 1.74E + 02 6.2 1.73E + 02 8.2 1.17E + 02  
1.2 1.83E + 02 1.8 1.78E + 02 1.74E + 02 5.1 1.73E + 02 6.8 1.72E + 02  
3
1.0 2.61E + 02 1.5 2.53E + 02 2.4 2.48E + 02 4.3 2.46E + 02 5.6 2.44E + 02 9.1 2.43E + 02  
3.72E + 02 0.82 3.58E + 02 1.2 3.47E + 02 2.0 3.40E + 02 3.6 3.37E + 02 4.7 3.35E + 02 7.5 3.33E + 02  
5.05E + 02 0.68 4.87E + 02 1.0 4.72E + 02 1.6 4.60E + 02 3.0 4.57E + 02 3.9 4.54E + 02 6.2 3.33E + 02  
8.44E + 02 0.62 6.41E + 02 0.82 6.21E + 02 1.3 6.05E + 02 2.4 6.00E + 02 3.3 4.55E + 02 5.1 4.52E + 02 9.1  
8.53E + 02 0.56 8.37E + 02 0.68 8.08E + 02 1.1 7.87E + 02 2.0 7.80E + 02 2.7 5.97E + 02 4.3 5.92E + 02 7.5  
8.71E + 02 0.47 8.71E + 02 0.47 8.18E + 02 0.91 1.60E + 00 1.6 7.84E + 02 2.2 7.75E + 02 3.6 7.69E + 02 6.2  
8.30E + 02 0.75 8.30E + 02 0.75 7.90E + 02 1.8 7.78E + 02 3.0 7.71E + 02 5.1  
7.80E + 02 2.7 7.72E + 02 4.7  
ENERGY RESISTANCE CHART for Class 3; WM 110 (+100 ppm/K to +180 ppm/K)  
ZWK10  
ZWK 15  
ZWK 20  
ZWK 40  
ZWK 60  
ZWK 90  
ZWK 150  
nergy  
E
nergy/  
E
nergy/  
E
nergy  
/  
E
nergy  
/  
E
nergy/  
E
nergy/  
E
/  
R ()  
R ()  
R ()  
R ()  
R ()  
R ()  
R ()  
(W  
s
/
)
(W  
s
/
)
(W  
s/)  
(W  
s/)  
(W  
s/)  
(W  
s
/
)
(Ws/)  
4.67E - 04 22K 4.66E - 04 33K 4.66E - 04 51K 4.65E - 04 100K 4.65E - 04 130K 4.65E - 04 200K 4.65E - 04 360K  
4.68E - 04 20K 4.67E - 04 27K 4.66E - 04 43K 4.65E - 04 82K 4.65E - 04 110K 4.65E - 04 160K 4.65E - 04 300K  
7.97E - 04 15K 7.96E - 04 22K 7.94E - 04 36K 7.93E - 04 68K 7.93E - 04 91K 7.93E - 04 130K 7.92E - 04 240K  
7.98E - 04 12K 1.27E - 03 18K 7.94E - 04 30K 7.93E - 04 56K 7.93E - 04 75K 7.93E - 04 110K 7.92E - 04 200K  
1.28E - 03 10K 1.28E - 03 15K 1.27E - 03 24K 1.27E - 03 47K 1.27E - 03 62K 1.27E - 03 91K 1.27E - 03 160K  
1.28E - 03 8.2K 1.94E - 03 12K 1.94E - 03 20K 1.27E - 03 39K 1.27E - 03 51K 1.27E - 03 75K 1.27E - 03 130K  
1.95E - 03 6.8K 1.94E - 03 10K 1.94E - 03 16K 1.94E - 03 33K 1.93E - 03 43K 1.93E - 03 62K 1.93E - 03 110K  
3.11E - 03 5.6K 3.10E - 03 8.2K 3.10E - 03 13K 1.94E - 03 27K 1.94E - 03 36K 3.09E - 03 51K 1.93E - 03 91K  
3.11E - 03 4.7K 4.75E - 03 6.8K 3.10E - 03 11K 3.09E - 03 22K 3.09E - 03 30K 3.09E - 03 43K 3.09E - 03 75K  
4.76E - 03 3.9K 4.75E - 03 5.6K 4.74E - 03 9.1K 4.73E - 03 18K 4.73E - 03 24K 4.72E - 03 36K 4.72E - 03 62K  
4.78E - 03 3.3K 7.47E - 03 4.7K 7.45E - 03 7.5K 4.73E - 03 15K 4.73E - 03 20K 4.73E - 03 30K 4.72E - 03 51K  
7.50E - 03 2.7K 7.48E - 03 3.9K 7.45E - 03 6.2K 7.44E - 03 12K 7.43E - 03 16K 7.43E - 03 24K 7.42E - 03 43K  
7.52E - 03 2.2K 1.20E - 02 3.3K 1.20E - 02 5.1K 7.44E - 03 10K 7.44E - 03 13K 7.43E - 03 20K 7.42E - 03 36K  
1.21E - 02 1.8K 1.20E - 02 2.7K 1.20E - 02 4.3K 1.19E - 02 8.2K 1.19E - 02 11K 1.19E - 02 16K 1.19E - 02 30K  
1.21E - 02 1.5K 1.94E - 02 2.2K 1.93E - 02 3.6K 1.20E - 02 6.8K 1.19E - 02 9.1K 1.93E - 02 13K 1.19E - 02 24K  
1.95E - 02 1.2K 1.94E - 02 1.8K 1.93E - 02 3.0K 1.93E - 02 5.6K 1.93E - 02 7.5K 1.93E - 02 11K 1.92E - 02 20K  
3.13E - 02 1.0K 3.12E - 02 1.5K 3.11E - 02 2.4K 1.93E - 02 4.7K 3.09E - 02 6.2K 3.09E - 02 9.1K 3.09E - 02 16K  
3.14E - 02 820 5.02E - 02 1.2K 3.11E - 02 2.0K 3.10E - 02 3.9K 3.10E - 02 5.1K 3.09E - 02 7.5K 3.09E - 02 13K  
5.06E - 02 680 5.03E - 02 1.0K 5.01E - 02 1.6K 3.10E - 02 3.3K 4.98E - 02 4.3K 4.98E - 02 6.2K 4.97E - 02 11K  
5.07E - 02 560 7.65E - 02 820 7.62E - 02 1.3K 4.99E - 02 2.7K 4.98E - 02 3.6K 4.98E - 02 5.1K 4.97E - 02 9.1K  
7.72E - 02 470 7.67E - 02 680 7.63E - 02 1.1K 7.60E - 02 2.2K 7.59E - 02 3.0K 7.58E - 02 4.3K 7.57E - 02 7.5K  
7.75E - 02 390 1.20E - 01 560 1.19E - 01 910 7.60E - 02 1.8K 7.59E - 02 2.4K 7.58E - 02 3.6K 7.58E - 02 6.2K  
1.21E - 01 330 1.20E - 01 470 1.20E - 01 750 1.19E - 01 1.5K 1.19E - 01 2.0K 1.19E - 01 3.0K 1.19E - 01 5.1K  
1.22E - 01 270 1.88E - 01 390 1.87E - 01 620 1.86E - 01 1.2K 1.86E - 01 1.6K 1.85E - 01 2.4K 1.19E - 01 4.3K  
1.90E - 01 220 1.88E - 01 330 1.87E - 01 510 1.86E - 01 1.0K 1.86E - 01 1.3K 1.85E - 01 2.0K 1.85E - 01 3.6K  
2.97E - 01 180 2.95E - 01 270 2.93E - 01 430 2.91E - 01 820 2.91E - 01 1.1K 2.90E - 01 1.6K 2.90E - 01 3.0K  
2.99E - 01 150 2.96E - 01 220 2.93E - 01 360 2.92E - 01 680 2.91E - 01 910 2.91E - 01 1.3K 2.90E - 01 2.4K  
Revision: 07-Feb-17  
Document Number: 21012  
8
For technical questions, contact: ww1resistors@vishay.com  
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT  
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000  
ZWK, ZWK Ni  
www.vishay.com  
Vishay Draloric  
ENERGY RESISTANCE CHART for Class 3; WM 110 (+100 ppm/K to +180 ppm/K)  
ZWK10  
ZWK 15  
ZWK 20  
ZWK 40  
ZWK 60  
ZWK 90  
ZWK 150  
nergy  
E
nergy/  
E
nergy/  
E
nergy  
/  
E
nergy  
/  
E
nergy/  
E
nergy/  
E
/  
R ()  
R ()  
R ()  
R ()  
R ()  
R ()  
R ()  
(W  
s
/
)
(W  
s
/
)
(W  
s/)  
(W  
s/)  
(W  
s/)  
(W  
s
/
)
(Ws/)  
5.11E - 01 120 5.06E - 01 180 5.01E - 01 300 4.98E - 01 560 4.98E - 01 750 4.97E - 01 1.1K 4.96E - 01 2.0K  
5.14E - 01 100 8.10E - 01 150 5.03E - 01 240 4.99E - 01 470 4.98E - 01 620 4.97E - 01 910 4.96E - 01 1.6K  
8.23E - 01  
8.29E - 01  
1.26E + 00  
1.27E + 00  
1.99E + 00  
3.09E + 00  
3.12E + 00  
4.91E + 00  
4.97E + 00  
7.94E + 00  
8.07E + 00  
1.29E + 01  
2.08E + 01  
2.11E + 01  
3.35E + 01  
3.40E + 01  
5.20E + 01  
5.28E + 01  
8.28E + 01  
1.32E + 02  
1.35E + 02  
1.39E + 02  
82  
68  
56  
47  
39  
33  
27  
22  
18  
15  
12  
10  
8.14E - 01 120 8.06E - 01 200 8.00E - 01 390 7.99E - 01 510 7.97E - 01 750 7.96E - 01 1.3K  
1.24E + 00 100 1.23E + 00 160 8.01E - 01 330 7.99E - 01 430 7.98E - 01 620 7.96E - 01 1.1K  
1.25E + 00 82 1.23E + 00 130 1.22E + 00 270 1.22E + 00 360 1.22E + 00 510 1.21E + 00 910  
1.95E + 00 68 1.93E + 00 110 1.22E + 00 220 1.22E + 00 300 1.22E + 00 430 1.21E + 00 750  
3.04E + 00 56 1.94E + 00 91 1.92E + 00 180 1.91E + 00 240 1.91E + 00 360 1.90E + 00 620  
3.05E + 00 47 3.01E + 00 75 2.98E + 00 150 2.98E + 00 200 2.97E + 00 300 2.96E + 00 510  
4.79E + 00 39 3.03E + 00 62 2.99E + 00 120 2.98E + 00 160 2.97E + 00 240 2.96E + 00 430  
4.82E + 00 33 4.76E + 00 51 4.70E + 00 100 4.69E + 00 130 4.68E + 00 200 4.66E + 00 360  
7.72E + 00 27 7.62E + 00 43 4.72E + 00  
7.79E + 00 22 7.66E + 00 36 7.56E + 00  
1.25E + 01 18 1.23E + 01 30 7.58E + 00  
1.26E + 01 15 1.24E + 01 24 1.22E + 01  
82  
68  
56  
47  
39  
33  
27  
22  
18  
15  
12  
10  
4.70E + 00 110 4.68E + 00 160 4.67E + 00 300  
7.53E + 00  
7.55E + 00  
1.22E + 01  
1.95E + 01  
1.96E + 01  
3.13E + 01  
3.13E + 01  
4.80E + 01  
4.81E + 01  
7.56E + 01  
1.21E + 02  
91  
75  
62  
51  
43  
36  
30  
24  
20  
16  
13  
11  
7.51E + 00 130 7.48E + 00 240  
7.52E + 00 110 7.49E + 00 200  
1.21E + 01  
1.21E + 01  
1.95E + 01  
3.11E + 01  
3.12E + 01  
4.77E + 01  
4.78E + 01  
7.51E + 01  
7.53E + 01  
1.21E + 02  
91  
75  
62  
51  
43  
36  
30  
24  
20  
16  
13  
11  
1.21E + 01 160  
1.94E + 01 130  
1.94E + 01 110  
8.2 2.03E + 01 12 1.99E + 01 20 1.22E + 01  
6.8 2.05E + 01 10 2.01E + 01 16 1.97E + 01  
5.6 3.27E + 01 8.2 3.20E + 01 13 1.98E + 01  
4.7 4.99E + 01 6.8 4.89E + 01 11 3.15E + 01  
3.9 5.05E + 01 5.6 4.92E + 01 9.1 4.82E + 01  
3.3 7.91E + 01 4.7 7.72E + 01 7.5 4.84E + 01  
2.7 8.01E + 01 3.9 7.79E + 01 6.2 7.61E + 01  
2.2 1.28E + 02 3.3 1.25E + 02 5.1 7.65E + 01  
3.10E + 01  
3.10E + 01  
4.75E + 01  
4.76E + 01  
7.47E + 01  
7.48E + 01  
1.20E + 02  
1.20E + 02  
2.41E + 02  
91  
75  
62  
51  
43  
36  
30  
24  
20  
16  
13  
11  
1.8 1.30E + 02 2.7 1.26E + 02 4.3 1.23E + 02 8.2 1.22E + 02  
1.5 2.58E + 02 2.2 2.03E + 02 3.6 1.98E + 02 6.8 1.96E + 02 9.1 1.95E + 02  
3.35E + 02 1.8 2.53E + 02 2.46E + 02 5.6 2.44E + 02 7.5 2.43E + 02  
3
3.40E + 02 1.5 3.28E + 02 2.4 3.19E + 02 4.7 3.16E + 02 6.2 3.14E + 02 9.1 3.12E + 02  
3.48E + 02 1.2 3.32E + 02 2.0 3.21E + 02 3.9 3.18E + 02 5.1 3.15E + 02 7.5 3.12E + 02  
3.23E + 02 3.3 3.20E + 02 4.3 3.16E + 02 6.2 3.13E + 02  
Revision: 07-Feb-17  
Document Number: 21012  
9
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Revision: 09-Jul-2021  
Document Number: 91000  
1

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