WSLP3921 datasheet(1/3 Pages) VISHAY

Part #	WSLP3921

Description	Power Metal Strip® Resistors, Very High Power (to 10 W) Low Value (Down to 0.0003 Ω), Surface Mount

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Manufacturer	VISHAY [Vishay Siliconix]

Direct Link	http://www.vishay.com

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For technical questions, contact: ww2bresistors@vishay.com

Document Number: 30176

1

Revision: 18-Nov-10

WSLP3921, WSLP5931

Vishay Dale

Power Metal Strip® Resistors, Very High Power (to 10 W)

Low Value (Down to 0.0003

Ω), Surface Mount

FEATURES

• Ideal for all types of current sensing, voltage

division

and

pulse

applications

including

switching

and

linear

power

supplies,

instruments, power amplifiers

• Proprietary processing technique produces

extremely low resistance values, down to

0.0003

Ω

• Specially selected and stabilized materials allow

for high power rating (to 10 W)

• All welded construction

• Solid metal iron-chrome or manganese-copper alloy

resistive element with low TCR (< 20 ppm/°C)

• Very low inductance 0.5 nH to 5 nH

• Excellent frequency response to 50 MHz

• Low thermal EMF (< 3 μV/°C)

• AEC-Q200 qualified available (1)

• Compliant to RoHS Directive 2002/95/EC

Note

(1) Flame retardance test may not be applicable to some resistor

technologies.

Note

(2) Other values may be available, contact factory.

STANDARD ELECTRICAL SPECIFICATIONS

GLOBAL

MODEL

SIZE

POWER RATING

P70 °C

W

TOLERANCE

%

RESISTANCE VALUE

RANGE

Ω

RESISTANCE VALUES

CURRENTLY AVAILABLE (2)

Ω

WEIGHT

(typical)

g/1000 pieces

WSLP3921

3921

5.0

1.0, 5.0

2m to 4m

2m, 3m, 4m

281

WSLP3921

3921

9.0

1.0, 5.0

0.5m to 1m

0.5m, 1m

281

WSLP5931

5931

7.0

1.0, 5.0

1m to 3m

1m, 2m, 3m

398

WSLP5931

5931

10.0

1.0, 5.0

0.3m to 0.5m

0.3m, 0.5m

398

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

RESISTOR CHARACTERISTICS

Temperature coefficient

ppm/°C

± 175 for 0.3 m

Ω and 0.5 mΩ, ± 75 for 1 mΩ to 4 mΩ

Operating temperature range

°C

- 65 to + 170

Maximum continuous current

A

(P/R)1/2

GLOBAL PART NUMBER INFORMATION

Global Part Numbering: WSLP39212L000FEA

GLOBAL MODEL

RESISTANCE VALUE

TOLERANCE CODE

PACKAGING CODE

SPECIAL

WSLP3921

WSLP5931

L = m

Ω

2L000 = 0.002

Ω

F = ± 1.0 %

J = ± 5.0 %

EA = Lead (Pb)-free, tape/reel

EK = Lead (Pb)-free, bulk

Reserved for

future specials

** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902

S

L

P

3

9

2

1

2

L

0

F

E

A

W

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WSLP3921 Datasheet(PDF) 1 Page - Vishay Siliconix

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