www.vishay.com

Document Number: 30102

2

Revision: 17-Feb-11

WSC, WSN

Vishay Dale

Wirewound Resistors,

Precision Power, Surface Mount

DIMENSIONS in inches (millimeters)

TEMPERATURE RISE

DERATING

Note

Note

• Embossed Carrier Tape per EIA-481.

GLOBAL

MODEL

DIMENSIONS

SOLDER PAD DIMENSIONS

L

H

T

W

AB

L

WSC01/2

0.200 ± 0.020

(5.08 ± 0.508)

0.096 ± 0.015

(2.44 ± 0.381)

0.040 ± 0.010

(1.02 ± 0.254)

0.125 ± 0.005

(3.18 ± 0.127)

0.050 ± 0.010

(1.27 ± 0.254)

0.085 (2.16)

0.070 (1.78)

0.080 (2.03)

WSC0001

0.250 ± 0.020

(6.35 ± 0.508)

0.110 ± 0.015

(2.79 ± 0.381)

0.045 ± 0.010

(1.14 ± 0.254)

0.150 ± 0.005

(3.81 ± 0.127)

0.098 ± 0.005

(2.49 ± 0.127)

0.090 (2.29)

0.115 (2.92)

0.115 (2.92)

WSC2515

0.250 ± 0.020

(6.35 ± 0.508)

0.110 ± 0.015

(2.79 ± 0.381)

0.045 ± 0.010

(1.14 ± 0.254)

0.150 ± 0.005

(3.81 ± 0.127)

0.098 ± 0.005

(2.49 ± 0.127)

0.090 (2.29)

0.115 (2.92)

0.120 (3.05)

WSC0002

0.455 ± 0.020

(11.56 ± 0.508)

0.167 ± 0.010

(4.24 ± 0.254)

0.100 ± 0.010

(2.54 ± 0.254)

0.275 ± 0.005

(6.98 ± 0.127)

0.215 ± 0.005

(5.46 ± 0.127)

0.155 (3.94)

0.230 (5.84)

0.205 (5.21)

WSC4527

0.455 ± 0.020

(11.56 ± 0.508)

0.167 ± 0.010

(4.24 ± 0.254)

0.100 ± 0.010

(2.54 ± 0.254)

0.275 ± 0.005

(6.98 ± 0.127)

0.215 ± 0.005

(5.46 ± 0.127)

0.155 (3.94)

0.230 (5.84)

0.205 (5.21)

WSC6927

0.690 ± 0.032

(17.53 ± 0.813)

0.280 ± 0.015

(7.11 ± 0.381)

0.100 ± 0.010

(2.54 ± 0.254)

0.275 ± 0.005

(6.98 ± 0.127)

0.215 ± 0.015

(5.46 ± 0.381)

0.155 (3.94)

0.235 (5.97)

0.470 (11.94)

W

L

T

W1

H

l

a

b

0

0.5

1.0

1.5

2.0

2.5

3.0

Power in W

200

150

100

50

0

WSC0001

WSC2515

WSC01/2

WSC6927

WSC0002

WSC4527

- 65

- 25

25

75

125

175

225

275

Ambient Temperature in °C

120

100

80

60

40

20

0

70

WSC01/2

WSC2515

WSC4527

WSC6927

PERFORMANCE

TEST

CONDITIONS OF TEST

TEST LIMITS

Thermal Shock

- 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme

± (0.5 % + 0.05

) R

Short Time Overload

5 x rated power for 5 s

± (0.2 % + 0.05

) R

Low Temperature Storage

- 65 °C for 24 h

± (0.2 % + 0.05

) R

High Temperature Exposure

1000 h at + 275 °C (+ 175 °C for WSC01/2)

± (0.5 % + 0.05

) R

Bias Humidity

+ 85 °C, 85 % RH, 10 % bias, 1000 h

± (0.2 % + 0.05

) R

Mechanical Shock

100 g’s for 11 ms, 5 pulses

± (0.1 % + 0.05

) R

Vibration

Frequency varied 10 Hz to 500 Hz in 1 min, 3 directions, 9 h

± (0.1 % + 0.05

) R

Load Life

1000 h at rated power, + 70 °C, 1.5 h “ON”, 0.5 h “OFF”

± (1.0 % + 0.05

) R

Resistance to Solder Heat

+ 260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence

± (0.5 % + 0.05

) R

PACKAGING

MODEL

REEL

TAPE WIDTH

DIAMETER

PIECES/REEL

CODE

WSC01/2

12 mm/embossed plastic

330 mm/13"

2000

EA/TA

WSC0001/WSC2515

16 mm/embossed plastic

330 mm/13"

2000

EA/TA

WSC0002/WSC4527

24 mm/embossed plastic

330 mm/13"

1200

EA/TA

WSC6927

32 mm/embossed plastic

330 mm/13”

725

EA/TA