WSBS8518 Datasheet by Vishay Dale

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WSBS8518
www.vishay.com Vishay Dale
Revision: 15-Nov-2019 1Document Number: 30134
For technical questions, contact: ww2cresistors@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
Power Metal Strip® Battery Shunt Resistor,
Very Low Value (50 μ, 100 μ, 125 μ, and 250 μ)
ADDITIONAL RESOURCES
FEATURES
High power to resistor size ratio
Proprietary processing technique produces
extremely low resistance values
All welded construction
Very low inductance (< 5 nH)
Low thermal EMF (as low as < 1 μV/°C)
AEC-Q200 qualified
Material categorization: for definitions of
compliance please see www.vishay.com/doc?99912
Notes
(1) Please reference WSBS8518…34 datasheet (www.vishay.com/doc?30354) for resistance values 500 μ to 1000 μ
(2) Other values may be available, contact factory
3
3
3
D
D
D
3
D
3D Models
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL SIZE
POWER RATING
P70 °C
W
TOLERANCE
± %
RESISTANCE VALUE
RANGE (1)
RESISTANCE VALUES
CURRENTLY AVAILABLE (2)
WEIGHT
(typical)
g
WSBS8518 8518 36 5, 10 50μ to 1000μ 50μ, 100μ, 125μ, 250μ
50μ = 37.9,
100μ / 125u = 36.5,
250μ = 33.7
TECHNICAL SPECIFICATIONS
PARAMETER UNIT RESISTOR CHARACTERISTICS
Temperature coefficient ppm/°C
± 200 for 50 μ
± 175 for 100 μ, 125 μ
± 110 for 250 μ
Temperature coefficient (element material) ppm/°C ± 20
Operating temperature range °C -65 to +170
Thermal EMF μV/°C < 1 for 50 μ and < 3 for 100 μ, 125 μ, 250 μ
Maximum current rating A (P/R)1/2
GLOBAL PART NUMBER INFORMATION
GLOBAL PART NUMBERING: WSBS8518L1250JK (WSBS8518, 0.000125 , ± 5 %, bulk pack)
GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL
WSBS8518 L = m
L0500 = 0.000050
L1000 = 0.000100
L1250 = 0.000125
L2500 = 0.000250
J = ± 5 %
K = ± 10 %
K = bulk pack
T = tray pack
(dash number)
(up to 2 digits)
from 1 to 99 as
applicable
W S B S 8 5 1 8 L 1 2 5 0 J K
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WSBS8518
www.vishay.com Vishay Dale
Revision: 15-Nov-2019 2Document Number: 30134
For technical questions, contact: ww2cresistors@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
DIMENSIONS in inches (millimeters)
DERATING
0.118
(3.0)
0.078
(2.0)
0.492
(12.5) 2.362 (60)
R 0.078 (2) REF.
CALIBRATION CUT
Ø 0.276 (7.0)
2 PLACES
3.346 ± 0.015
(85.0 ± 0.4)
0.708 ± 0.008
(18)
0.354
(9.0)
B
A
1/2 B
0.078 (2) x 45°
CHAMFER TYP.
VOLTAGE TEST
POINTS
70
120
100
80
60
40
20
01751501251007550250- 25- 50- 65
Ambient Temperature in °C
Rated Power in %
TOLERANCES ON DECIMALS
.xxx ± 0.005 [.x ± 0.1]
UNLESS OTHERWISE LISTED
RESISTANCE
VALUE (μ)
ELEMENT
MATERIAL
A
REFERENCE
B
± 0.005 [± 0.13]
50 Mn-Cu 0.145 [3.68] 0.270 [8.71]
100 Mn-Cu 0.370 [9.40] 0.495 [12.57]
125 Mn-Cu 0.480 [12.19] 0.605 [15.37]
250 Mn-Cu 0.900 [22.86] 1.025 [26.04]
PERFORMANCE
TEST CONDITIONS OF TEST TEST LIMITS
Thermal shock -55 °C to +150 °C, 1000 cycles, 15 min at each extreme ± 0.5 % R
Short time overload 5 x rated power for 5 s ± 0.5 % R
Low temperature storage -65 °C for 24 h ± 0.5 % R
High temperature exposure 1000 h at +170 °C ± 1.0 % R
Bias humidity +85 °C, 85 % RH, 10 % bias, 1000 h ± 0.5 % R
Mechanical shock 100 g’s for 6 ms, 5 pulses ± 0.5 % R
Vibration Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h ± 0.5 % R
Load life 1000 h at +70 °C, 1.5 h “ON”, 0.5 h “OFF” ± 1.0 % R
Moisture resistance MIL-STD-202, method 106, 0 % power, 7b not required ± 0.5 % R
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