WSC, WSN
Wirewound Resistors,
Precision Power, Surface Mount
Vishay Dale
DIMENSIONS
W
H
b
l
W
1
a
T
L
DIMENSIONS in inches [millimeters]
SOLDER PAD DIMENSIONS in inches [millimeters]
MODEL
L
H
T
W
W1
a
b
l
0.200 0.020 0.096 0.015 0.040 0.010 0.125 0.005 0.050 0.010
WSC01/2
WSC0001
WSC2515
WSC0002
WSC4527
WSC6927
0.085 [2.16]
0.070 [1.78]
0.080 [2.03]
[5.08 0.508] [2.44 0.381] [1.02 0.254] [3.18 0.127] [1.27 0.254]
0.250 0.020
[6.35 0.508]
0.110 0.015 0.045 0.010 0.150 0.005 0.098 0.005
[2.79 0.381] [1.14 0.254] [3.81 0.127] [2.49 0.127]
0.090 [2.29]
0.090 [2.29]
0.155 [3.94]
0.155 [3.94]
0.155 [3.94]
0.115 [2.92]
0.115 [2.92]
0.230 [5.84]
0.230 [5.84]
0.235 [5.97]
0.120 [3.05]
0.120 [3.05]
0.205 [5.21]
0.205 [5.21]
0.470 [11.94]
0.250 0.020 0.110 0.015 0.045 0.010 0.150 0.005 0.098 0.005
[6.35 0.508] [2.79 0.381] [1.14 0.254] [3.81 0.127] [2.49 0.127]
0.445 0.032 0.162 0.015 0.100 0.010 0.275 0.005 0.215 0.005
[11.30 0.813] [4.11 0.381] [2.54 0.254] [6.98 0.127] [5.46 0.127]
0.455 0.020 0.167 0.010 0.100 0.010 0.275 0.005 0.215 0.005
[11.56 0.508] [4.24 0.254] [2.54 0.254] [6.98 0.127] [5.46 0.127]
0.690 0.032 0.280 0.015 0.100 0.010 0.275 0.005 0.215 0.015
[17.53 0.813] [7.11 0.381] [2.54 0.254] [6.98 0.127] [5.46 0.381]
200
150
120
100
80
60
40
20
WSC0002
WSC4527
WSC6927
WSC01/2
WSC0001
WSC2515
WSC2515
WSC4527
WSC6927
100
50
0
WSC01/2
WSC0001
WSC0002
0
0
0.5
1.0
1.5
2.0
2.5
3.0
- 65
- 25
25
75
70
125
175
225
275
Power in W
Ambient Temperature in °C
Temperature Rise
Derating
PERFORMANCE
TEST
CONDITIONS OF TEST
TEST LIMITS
Thermal Shock
- 55 °C to + 150 °C, 1000 cycles, 15 minutes at each extreme
5 x rated power for 5 seconds
(0.5 % + 0.05 Ω) ΔR
(0.2 % + 0.05 Ω) ΔR
(0.2 % + 0.05 Ω) ΔR
(0.5 % + 0.05 Ω) ΔR
(0.2 % + 0.05 Ω) ΔR
(0.1 % + 0.05 Ω) ΔR
(0.1 % + 0.05 Ω) ΔR
(1.0 % + 0.05 Ω) ΔR
(0.5 % + 0.05 Ω) ΔR
Short Time Overload
Low Temperature Storage
High Temperature Exposure
Bias Humidity
- 65 °C for 24 hours
1000 hours at + 275 °C (+ 175 °C for WSC01/2, WSC0001 and WSC0002)
+ 85 °C, 85 % RH, 10 % Bias, 1000 hours
Mechanical Shock
Vibration
100 g’s for 11 milliseconds, 5 pulses
Frequency varied 10 to 500 Hz in one minute, 3 directions, 9 hours
1000 hours at rated power, + 70 °C, 1.5 hours “ON”, 0.5 hours “OFF”
+ 260 °C Solder, 10 - 12 second dwell, 25 mm/second emergence
Load Life
Resistance to Solder Heat
PACKAGING
REEL
MODEL
TAPE WIDTH
DIAMETER
330 mm/13"
330 mm/13"
330 mm/13"
330 mm/13”
PIECES/REEL
2000
CODE
EA/TA
EA/TA
EA/TA
EA/TA
WSC01/2
12 mm/Embossed Plastic
16 mm/Embossed Plastic
24 mm/Embossed Plastic
32 mm/Embossed Plastic
WSC0001/WSC2515
WSC0002/WSC4527
WSC6927
2000
1200
725
Note
• Embossed Carrier Tape per EIA-481-1, 2, 3
Document Number: 30102
Revision: 03-Aug-07
For technical questions, contact: ww2aresistors@vishay.com
www.vishay.com
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