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FHR2-30250.397OHMSA0.5% [VISHAY]

Fixed Resistor, Metal Foil, 40W, 0.397ohm, 500V, 0.5% +/-Tol, -15,15ppm/Cel;
FHR2-30250.397OHMSA0.5%
型号： FHR2-30250.397OHMSA0.5%
厂家： VISHAY    VISHAY
描述：

Fixed Resistor, Metal Foil, 40W, 0.397ohm, 500V, 0.5% +/-Tol, -15,15ppm/Cel

PC 电阻器
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FHR 2-3025 3818 FHR 4-3825 3825H 4618  
Powertron  
•ꢀ Resistances from 0.001Ohm to 100Ohms  
•ꢀ Power Rating to 50Watt  
•ꢀ Resistance Tolerances to ±0.1%  
•ꢀ TCR to ±10ppm/K  
•ꢀ Very Low Inductance  
SPECIFICATIONS  
Type  
FHR 2-3025  
FHR 2-3818  
FHR 4-3825  
FHR 4-3525H  
FHR 4-4618  
0.001 to 100Ohms  
Resistance Range  
0.010 to 100Ohms  
3 W  
Power rating  
free air 70°C  
for 3825H  
3 W  
5 W  
with heatsink  
40 W  
50 W  
Thermal Resistance Rthj-c  
2.0 K/W  
1.6 K/W  
Tolerances  
from 0R001  
from 0R005  
from 0R01  
from 0R02  
1% / 2% / 5%  
0.5% / 1% / 2% / 5%  
0.1% / 0.25% / 0.5% / 1% / 2% / 5%  
0.1% / 0.25% / 0.5% / 1% / 2% / 5%  
0.5% / 1% / 2% / 5%  
0.25% / 0.5% / 1% / 2% / 5%  
Stability  
0.1% / 0.2% / 0.5%  
(depends on stress)  
Temperature Coefficient  
Standard  
±15ppm/K (20 to 60°C)  
±15ppm/K (20 to 60°C)  
R ≤ 0R2 TCR see table A next page  
±25ppm/K (20 to 60°C) for contact F  
Option 1  
±10ppm/K (20 to 60°C)  
(only contact A and K)  
Max. Current  
150 A / 200 A for contact F  
Voltage Proof  
Thermal EMF  
Operating Temperature Range  
Resistor Material  
Substrate  
500 VDC  
< 0.1µV/K  
-40 to 130°C  
CuNiMn-Foil  
anodized aluminium  
Epoxy  
Housing  
Connector Material  
Terminals  
Cu tinned  
2
4
Max. torque  
1 Nm  
Ordering Information  
Part Number - Resistance - Contact - Tolerance  
FHR 4-4618 0.050 Ohms A 1%  
Document Number: 64206  
Revision: 20-09-10  
For technical questions, contact: powertron@vishaypg.com  
www.powertron.de  
1
FHR 2-3025 3818 FHR 4-3825 3825H 4618  
Powertron  
SPECIFICATIONS (continued)  
Temperature Coefficient  
4000  
table A  
250  
200  
150  
100  
50  
2000  
+15ppm/K  
0
-15ppm/K  
-2000  
Limit 2 (3s)  
-4000  
Nominal  
DR/R  
-6000  
Limit 1 (3s)  
0
-8000  
140  
-20  
40  
60  
100  
120  
-40  
0
20  
80  
Resistance Value (mOhm)  
Temperature (°C)  
Derating  
Power Rating Notes -  
120  
100  
80  
60  
40  
20  
0
The FHR Series Resistors must be attached to a suitable heat-  
sink. The maximum internal resistor temperature is 130°C.  
To specify an appropriate heatsink use the following formula :  
0.5%  
0.2%  
0.1%  
RqH = TMAX - ( P x RqR ) - TA  
P
Where: RqH = Thermal Resistance of Heatsink ( K/W )  
RqR = Thermal Resistance of Resistor ( K/W )  
TMAX = Maximum Temperature of Resistor  
TA = Ambient Temperature of Heatsink ( °C )  
P = Power Through Resistor ( W )  
25  
50  
85  
100  
115  
130  
Temperature of the backplate (°C)  
Dimensions  
tol.  
(±mm)  
tol.  
(±inches)  
Dimension  
mm  
24.00  
38.00  
1.40  
inches  
0.94  
FHR 4-3825 / FHR 4-3825H  
A
0.2  
0.3  
0.4  
0.1  
0.3  
0.2  
0.1  
0.2  
0.2  
0.1  
0.1  
0.1  
0.1  
0.1  
0.2  
0.2  
0.4  
0.2  
0.1  
0.1  
0.1  
0.2  
0.008  
0.012  
0.016  
0.004  
0.012  
0.008  
0.004  
0.008  
0.008  
0.004  
0.004  
0.004  
0.004  
0.004  
0.008  
0.008  
0.016  
0.008  
0.004  
0.004  
0.004  
0.008  
B
1.50  
C
0.06  
D
4.00  
0.16  
E
34.00  
17.50  
1.5x45°  
17.50  
27.50  
1.50  
1.34  
F
0.69  
G
0.06x45°  
0.69  
H
I
1.08  
J (A-Contact)  
0.06  
J (K-Contact)  
1.10  
0.04  
K
L
3.00  
0.12  
3.20  
0.13  
M
N
2.00  
0.08  
max.5.5  
max.0.22  
max.0.4  
1.20  
N (Variante H) max.10.3  
O
30.40  
15.00  
3.60  
P
0.59  
Q (A-Contact)  
Q (K-Contact)  
R
0.14  
3.30  
0.13  
2.80  
0.11  
S (Variante H)  
19.00  
0.75  
www.powertron.de  
2
For technical questions, contact: powertron@vishaypg.com  
Document Number: 64206  
Revision: 20-09-10  
FHR 2-3025 3818 FHR 4-3825 3825H 4618  
Powertron  
SPECIFICATIONS (continued)  
tol.  
tol.  
Dimension  
mm  
24.00  
38.00  
1.50  
(±mm)  
inches  
0.94  
1.50  
0.06  
0.16  
1.34  
0.69  
0.06x45°  
1.34  
1.29  
0.30  
0.94  
0.25  
0.19  
0.13  
0.08  
0.24  
0.59  
0.16  
0.13  
(±inches)  
FHR 4-3825F  
A
B
C
D
E
F
0.2  
0.3  
0.2  
0.1  
0.3  
0.2  
0.1  
0.2  
0.2  
0.2  
0.2  
0.2  
0.1  
0.1  
0.1  
0.2  
0.2  
0.7  
0.7  
0.008  
0.012  
0.008  
0.004  
0.012  
0.008  
0.004  
0.008  
0.008  
0.008  
0.008  
0.008  
0.004  
0.004  
0.004  
0.008  
0.008  
0.028  
0.028  
4.00  
34.00  
17.50  
1.5x45°  
34.00  
32.70  
7.50  
G
H
I
J
K
L
24.00  
6.30  
M
N
O
P
Q
R
S
4.80  
3.20  
2.00  
6.00  
15.00  
4.10  
3.30  
tol.  
(±mm)  
tol.  
(±inches)  
FHR 4-4618  
Dimension  
mm  
17.00  
46.00  
1.40  
inches  
0.67  
A
0.1  
0.3  
0.4  
0.2  
0.3  
0.3  
0.1  
0.2  
0.2  
0.1  
0.1  
0.1  
0.1  
0.1  
0.2  
0.4  
0.2  
0.1  
0.1  
0.2  
0.004  
0.012  
0.016  
0.008  
0.012  
0.012  
0.004  
0.008  
0.008  
0.004  
0.004  
0.004  
0.004  
0.004  
0.008  
0.016  
0.008  
0.004  
0.004  
0.008  
B
1.81  
C
0.06  
D
8.50  
0.33  
E
40.00  
34.00  
1.5x45°  
17.50  
27.50  
1.50  
1.57  
F
1.34  
G
0.06x45°  
0.69  
H
I
1.08  
J (A-Contact)  
0.06  
J (K-Contact)  
1.10  
0.04  
K
3.00  
0.12  
L
3.20  
0.13  
M
2.00  
0.08  
N
max.5.5  
23.40  
15.00  
3.60  
max.0.22  
0.92  
O
P
0.59  
Q (A-Contact)  
Q (K-Contact)  
R
0.14  
3.30  
0.13  
2.80  
0.11  
Document Number: 64206  
Revision: 20-09-10  
For technical questions, contact: powertron@vishaypg.com  
www.powertron.de  
3
FHR 2-3025 3818 FHR 4-3825 3825H 4618  
Powertron  
SPECIFICATIONS (continued)  
tol.  
(±mm)  
tol.  
(±inches)  
FHR 2-3025  
Dimension  
mm  
24.00  
30.00  
1.40  
inches  
0.94  
A
0.2  
0.2  
0.4  
0.1  
0.2  
0.2  
0.1  
0.2  
0.1  
0.1  
0.1  
0.1  
0.1  
0.2  
0.4  
0.2  
0.1  
0.1  
0.2  
0.008  
0.008  
0.016  
0.004  
0.008  
0.008  
0.004  
0.008  
0.004  
0.004  
0.004  
0.004  
0.004  
0.008  
0.016  
0.008  
0.004  
0.004  
0.008  
B
1.18  
C
0.06  
D
4.00  
0.16  
E
27.00  
15.00  
1.5x45°  
20.32  
1.50  
1.06  
F
0.59  
G
0.06x45°  
0.80  
H
I (A-Contact)  
0.06  
I (K-Contact)  
1.10  
0.04  
J
1.10  
0.04  
K
3.20  
0.13  
L
2.00  
0.08  
M
max.5.5  
30.40  
15.00  
3.60  
max.0.22  
1.20  
N
O
0.59  
P (A-Contact)  
P (K-Contact)  
Q
0.14  
3.30  
0.13  
2.80  
0.11  
tol.  
(±mm)  
tol.  
(±inches)  
FHR 2-3818  
Dimension  
mm  
17.00  
38.00  
1.40  
inches  
0.67  
A
0.2  
0.3  
0.4  
0.2  
0.3  
0.2  
0.1  
0.2  
0.1  
0.1  
0.1  
0.1  
0.1  
0.2  
0.4  
0.2  
0.1  
0.1  
0.2  
0.008  
0.012  
0.016  
0.008  
0.012  
0.008  
0.004  
0.008  
0.004  
0.004  
0.004  
0.004  
0.004  
0.008  
0.016  
0.008  
0.004  
0.004  
0.008  
B
1.50  
C
0.06  
D
8.50  
0.33  
E
32.00  
27.00  
1.5x45°  
20.32  
1.50  
1.26  
F
1.06  
G
0.06x45°  
0.80  
H
I (A-Contact)  
0.06  
I (K-Contact)  
1.10  
0.04  
J
1.10  
0.04  
K
3.20  
0.13  
L
2.00  
0.08  
M
max.5.5  
23.40  
15.00  
3.60  
max.0.22  
0.92  
N
O
0.59  
P (A-Contact)  
P (K-Contact)  
Q
0.14  
3.30  
0.13  
2.80  
0.11  
www.powertron.de  
4
For technical questions, contact: powertron@vishaypg.com  
Document Number: 64206  
Revision: 20-09-10  
Legal Disclaimer Notice  
Vishay Precision Group  
Disclaimer  
ALL PRODUCTS, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE.  
Vishay Precision Group, Inc., its affiliates, agents, and employees, and all persons acting on its or their  
behalf (collectively, “Vishay Precision Group”), disclaim any and all liability for any errors, inaccuracies or  
incompleteness contained herein or in any other disclosure relating to any product.  
The product specifications do not expand or otherwise modify Vishay Precision Group’s terms and conditions of  
purchase, including but not limited to, the warranty expressed therein.  
Vishay Precision Group makes no warranty, representation or guarantee other than as set forth in the terms  
and conditions of purchase. To the maximum extent permitted by applicable law, Vishay Precision Group  
disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability,  
including without limitation special, consequential or incidental damages, and (iii) any and all implied  
warranties, including warranties of fitness for particular purpose, non-infringement and merchantability.  
Information provided in datasheets and/or specifications may vary from actual results in different applications  
and performance may vary over time. Statements regarding the suitability of products for certain types of  
applications are based on Vishay Precision Group’s knowledge of typical requirements that are often placed on  
Vishay Precision Group products. It is the customer’s responsibility to validate that a particular product with the  
properties described in the product specification is suitable for use in a particular application.  
No license, express, implied, or otherwise, to any intellectual property rights is granted by this document, or by  
any conduct of Vishay Precision Group.  
The products shown herein are not designed for use in life-saving or life-sustaining applications unless otherwise  
expressly indicated. Customers using or selling Vishay Precision Group products not expressly indicated for use  
in such applications do so entirely at their own risk and agree to fully indemnify Vishay Precision Group for any  
damages arising or resulting from such use or sale. Please contact authorized Vishay Precision Group personnel  
to obtain written terms and conditions regarding products designed for such applications.  
Product names and markings noted herein may be trademarks of their respective owners.  
Document No.: 63999  
Revision: 27-Apr-11  
www.vishaypg.com  
1

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