Ω),

Surface Mount, 4-Terminal

www.vishay.com

For technical questions, contact: ww2bresistors@vishay.com

Document Number: 30099

22

Revision: 26-Mar-07

WSL3637

Vishay Dale

FEATURES

• 4-Terminal design allows for 0.5 % resistance

tolerance down to 0.003

Ω

• Ideal for all types of current sensing, voltage

division

and

pulse

applications

including

switching

and

linear

power

supplies,

instruments and power amplifiers

• Proprietary processing technique produces

extremely low resistance values (down to

0.001

Ω)

• All welded construction

• Solid metal Nickel-Chrome alloy resistive element with low

TCR ( < 20 ppm/°C)

• Solderable terminations

• Low thermal EMF (< 3 µV/°C)

• Very low inductance, 0.5 nH to 5 nH

• Excellent frequency response to 50 MHz

• Lead (Pb)-free version is RoHS compliant

* Pb containing terminations are not RoHS compliant, exemptions may apply

Available

Pb-free

RoHS*

COMPLIANT

e3

STANDARD ELECTRICAL SPECIFICATIONS

GLOBAL

MODEL

POWER RATING

W

TOLERANCE

%

RESISTANCE RANGE

Ω

WSL3637

3.0

0.5 and 1.0

0.001 - 0.01

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

WSL3637

Temperature Coefficient

ppm/°C

0.001

Ω - 0.0029 Ω = ± 75

0.003

Ω - 0.010 Ω = ± 50

Operating Temperature Range

°C

- 65 to + 170

Maximum Working Voltage

V

(

Weight/1000 pieces

g

274.3

GLOBAL PART NUMBER INFORMATION

WSL3637

0.005

Ω

1 %

R86

HISTORICAL MODEL

RESISTANCE VALUE

TOLERANCE CODE

PACKAGING

GLOBAL MODEL

VALUE

TOLERANCE

PACKAGING

SPECIAL

WSL3637

D = ± 0.5 %

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

(Dash Number)

R = Decimal

F = ± 1.0 %

EK = Lead (Pb)-free, bulk

(up to 2 digits)

TA = Tin/lead, tape/reel (R86)

From 1 - 99 as

BA = Ti n/lead, bulk (B43)

applicable

W

S

L

3

6

3

75

L0

0

0

F

T

A

L = m

Ω*

5L000 = 0.005

Ω

R0100 = 0.01

Ω

* use ”L” for

resistance

values < 0.01

Ω

NEW GLOBAL PART NUMBERING: WSL36375L000FTA (PREFERRED PART NUMBERING FORMAT)

HISTORICAL PART NUMBER EXAMPLE: WSL3637 0.005

Ω 1 % R86 (WILL CONTINUE TO BE ACCEPTED)