WSBS851814 Datasheet, PDF (2/3 Pages) Vishay Siliconix – High power to resistor size ratio

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WSBS8518...14
Vishay Dale
DIMENSIONS in inches (millimeters)
0.078
(2.0)
Plating on top / bottom is Sn 2.5 - 8.0 µm over Ni 0.5 - 4.0 µm, edges are not plated
0.492
(12.5)
2.362 (60)
R 0.078 (2) REF.
A
0.118
(3.0)
0.078 (2) x 45°
CHAMFER TYP.
CALIBRATION CUT
Ø 0.276 (7.0)
2 PLACES
VOLTAGE TEST
POINTS
1/2 B
B
3.346 ± 0.015
(85.0 ± 0.4)
0.354
(9.0)
0.708 ± 0.008
(18)
DERATING
120
100
80
60
40
20
0
- 65 - 50 - 25 0 25 50 75 100 125 150 175
Ambient Temperature in °C
70
TOLERANCES ON DECIMALS
.xxx ± 0.005 [.x ± 0.1]
UNLESS OTHERWISE LISTED
RESISTANCE
VALUE (μ)
50
100
125
250
ELEMENT
MATERIAL
Mn-Cu
Mn-Cu
Mn-Cu
Mn-Cu
A
REFERENCE
0.145 [3.68]
0.370 [9.40]
0.480 [12.19]
0.900 [22.86]
B
± 0.005 [± 0.13]
0.270 [8.71]
0.495 [12.57]
0.605 [15.37]
1.025 [26.04]
PERFORMANCE
TEST
Thermal shock
Short time overload
Low temperature storage
High temperature exposure
Bias humidity
Mechanical shock
Vibration
Load life
Moisture resistance
CONDITIONS OF TEST
-55 °C to +150 °C, 1000 cycles, 15 min at each extreme
5x rated power for 5 s
-65 °C for 24 h
1000 h at +170 °C
+85 °C, 85 % RH, 10 % bias, 1000 h
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 +70 °C, 1.5 h “ON”, 0.5 h “OFF”
MIL-STD-202, method 106, 0 % power, 7b not required
TEST LIMITS
± 0.5 % R
± 0.5 % R
± 0.5 % R
± 1.0 % R
± 0.5 % R
± 0.5 % R
± 0.5 % R
± 1.0 % R
± 0.5 % R
Revision: 15-Feb-17
2
Document Number: 30340
For technical questions, contact: [e-mail]
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ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000