WSR25L620FEA [VISHAY]
RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 110 ppm, 0.00562 ohm, SURFACE MOUNT, 4527, CHIP, GREEN;型号: | WSR25L620FEA |
厂家: | VISHAY |
描述: | RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 110 ppm, 0.00562 ohm, SURFACE MOUNT, 4527, CHIP, GREEN 电阻器 |
文件: | 总3页 (文件大小:79K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
WSR
Vishay Dale
Power Metal Strip® Resistors,
Low Value (down to 0.001 ), Surface Mount
FEATURES
• Molded high temperature encapsulation
• Ideal for all types of current sensing, voltage
division and pulse applications including
switching
and
linear
power
supplies,
instruments, power amplifiers
• Proprietary processing technique produces
extremely low resistance values (down to
0.001 )
• All welded construction
• Solid metal nickel-chrome or manganese-
copper alloy resistive element with low TCR
(< 20 ppm/°C)
• Solderable terminations
• Very low inductance 0.5 nH to 5 nH
• Excellent frequency response to 50 MHz
• Low thermal EMF (< 3 μV/°C)
• AEC-Q200 qualified (1)
• Compliant to RoHS Directive 2002/95/EC
Note
(1)
Flame retardance test may not be applicable to some resistor
technologies.
STANDARD ELECTRICAL SPECIFICATIONS
RESISTANCE VALUE RANGE
POWER RATING
WEIGHT
(typical)
GLOBAL
SIZE
P70 °C
MODEL
W
g/1000 pieces
Tol. 0.ꢀ ꢁ
0.005 to 1.0
0.005 to 0.2
Tol. 1.0 ꢁ
0.001 to 1.0
0.001 to 0.2
WSR2
WSR3
4527
4527
2.0
3.0 (2)
440
440
Notes
Part marking: DALE, model, value, tolerance, date code.
•
(2)
The WSR3 requires a minimum of 1050 sq. mil. circuit traces connecting to the recommended solder pad.
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
WSR2 AND WSR3
110 for 0.005 to 0.0099
75 for 0.010 to 1.0
Temperature coefficient
ppm/°C
Dielectric withstanding voltage
Insulation resistance
VAC
> 500
> 109
Operating temperature range
Maximum working voltage
°C
V
- 65 to + 275
(P x R)1/2
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSR2ꢀL000FTA
W
S
R
2
ꢀ
L
0
0
0
F
T
A
GLOBAL MODEL
VALUE
TOLERANCE CODE
PACKAGING CODE
SPECIAL
WSR2
WSR3
L = m*
D = 0.5 ꢀ
F = 1.0 ꢀ
J = 5.0 ꢀ
EA = Lead (Pb)-free, tape/reel
EK = Lead (Pb)-free, bulk
(Dash number)
(Up to 2 digits)
From 1 to 99 as
applicable
R = Decimal
ꢀL000 = 0.005
R0100 = 0.01
TA = Tin/lead, tape/reel (R86)
BA = Tin/lead, bulk (B43)
* Use “L” for resistance
values < 0.01
Historical Part Numbering example: WSR2 0.00ꢀ 1 ꢁ R86
WSR2
0.00ꢀ
1 ꢁ
R86
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
PACKAGING CODE
* Pb containing terminations are not RoHS compliant, exemptions may apply
** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902
www.vishay.com
436
For technical questions, contact: ww2bresistors@vishay.com
Document Number: 30101
Revision: 26-Jan-11
WSR
Vishay Dale
Power Metal Strip® Resistors,
Low Value (down to 0.001 ), Surface Mount
DIMENSIONS
DIMENSIONS in inches (millimeters)
MODEL
WSR2
L
H
T
W
W1
H
W
0.455 0.032 0.095 0.005 0.100 0.010 0.275 0.005 0.215 0.005
WSR3 (11.56 0.813) (2.41 0.127) (2.54 0.254) (6.98 0.127) (5.46 0.127)
W
1
T
L
SOLDER PAD DIMENSIONS in inches (millimeters)
MODEL
I
b
a
b
l
WSR2
WSR3
0.155
(3.94)
0.230
(5.84)
0.205
(5.21)
a
DERATING
120
100
80
60
40
20
0
- 65
- 25
25
75
70
125
175
225
275
Ambient Temperature °C
PERFORMANCE
TEST LIMITS
TEST
CONDITIONS OF TEST
WSR2
WSR3
Thermal shock
- 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme
(0.5 ꢀ + 0.0005
)
R
R
R
R
(0.5 ꢀ + 0.0005
(2.0 ꢀ + 0.0005
(0.5 ꢀ + 0.0005
(1.0 ꢀ + 0.0005
)
)
)
)
R
R
R
R
WSR2: 5 x rated power for 5 s
WSR3: 4 x rated power for 5 s
Short time overload
(0.5 ꢀ + 0.0005
(0.5 ꢀ + 0.0005
(1.0 ꢀ + 0.0005
)
Low temperature storage - 65 °C for 24 h
)
High temperature
1000 h at + 275 °C
exposure
)
Bias humidity
Mechanical shock
Vibration
+ 85 °C, 85 ꢀ RH, 10 ꢀ bias, 1000 h
(0.5 ꢀ + 0.0005
(0.5 ꢀ + 0.0005
(0.5 ꢀ + 0.0005
(1.0 ꢀ + 0.0005
(0.5 ꢀ + 0.0005
)
R
R
R
R
R
(0.5 ꢀ + 0.0005
(0.5 ꢀ + 0.0005
(0.5 ꢀ + 0.0005
(2.0 ꢀ + 0.0005
(0.5 ꢀ + 0.0005
)
)
)
)
)
R
R
R
R
R
100 g’s for 6 ms, 5 pulses
)
Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h
1000 h at rated power, + 70 °C, 1.5 h “ON”, 0.5 h “OFF”
)
Load life
)
Resistance to solder heat + 260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence
)
MIL-STD-202, method 106, 0 ꢀ power, 7a and 7b not
Moisture resistance
required
(0.5 ꢀ + 0.0005
)
R
(0.5 ꢀ + 0.0005
)
R
PACKAGING
REEL
MODEL
TAPE WIDTH
DIAMETER
PIECES/REEL
CODE
WSR2 and WSR3
24 mm/embossed plastic
330 mm/13"
1500
EA
Note
Embossed Carrier Tape per EIA-481.
•
Document Number: 30101
Revision: 26-Jan-11
For technical questions, contact: ww2bresistors@vishay.com
www.vishay.com
437
Legal Disclaimer Notice
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay 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.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. 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. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 11-Mar-11
www.vishay.com
1
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