WSLS2512, Improved Stability
www.vishay.com
DIMENSIONS in inches (millimeters)
W
H
l
b
Vishay Dale
L
T
a
Typical sensing traces
MODEL
L
W
DIMENSIONS
H
T
a
SOLDER PAD DIMENSIONS
b
l
WSLS2512
0.250 ± 0.010
(6.35 ± 0.254)
0.125 ± 0.010
(3.18 ± 0.254)
0.025 ± 0.010
(0.635 ± 0.254)
0.030 ± 0.010
(0.762 ± 0.254)
0.065
(1.65)
0.145
(3.68)
0.160
(4.06)
DERATING
120
100
80
60
40
20
0
- 65 - 50 - 25
0
25
50
75
100
125
150 170
PERFORMANCE
70
Ambient Temperature in °C
TEST
Thermal shock
Short time overload
Low temperature operation
High temperature exposure
Bias humidity
Mechanical shock
Vibration
CONDITIONS OF TEST
- 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme
5 x rated power for 5 s for WSL2512 size or smaller
- 65 °C for 45 min
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
TEST LIMITS
0.25 % 0.5 %
± (0.5 % + 0.005 ? ) ? R
± (0.5 % + 0.005 ? ) ? R
± (0.5 % + 0.005 ? ) ? R
± (1.0 % + 0.005 ? ) ? R
± (0.5 % + 0.005 ? ) ? R
± (0.5 % + 0.005 ? ) ? R
± (0.5 % + 0.005 ? ) ? R
Load life
2000 h at 70 °C, 1.5 h “ON”, 0.5 h “OFF”
± 0.25 % ? R
± 0.5 % ? R
Resistance to solder heat
Moisture resistance
PACKAGING
+ 260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence
MIL-STD-202, method 106, 0 % power, 7b not required
± (0.5 % + 0.005 ? ) ? R
± (0.5 % + 0.005 ? ) ? R
MODEL
WSLS2512
TAPE WIDTH
12 mm/embossed plastic
REEL
DIAMETER
178 mm/7"
PIECES/REEL
2000
CODE
EA
Note
? Embossed Carrier Tape per EIA-481 .
Revision: 05-Mar-14
2
Document Number: 30123
For technical questions, contact: ww2bresistors@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
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