WSMS3124

www.vishay.com

Vishay Dale

Revision: 09-Mar-12

1

Document Number: 30173

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

Very Low Value (down to 0.0001 Ω)

FEATURES

• High power to resistor size ratio

• 5-terminal connection design

• Use for single or multi-phase energy meters

• Proprietary processing technique produces

extremely low resistance values

• All welded construction

• Very low inductance (< 5 nH)

• Low thermal EMF (< 3 μV/°C)

• Material

categorization:

For

definitions

please

see

www.vishay.com/doc?99912

Note

STANDARD ELECTRICAL SPECIFICATIONS

GLOBAL

MODEL

SIZE

POWER RATING

W

TOLERANCE

%

RESISTANCE VALUE

RANGE

Ω

RESISTANCE VALUES

Ω

WEIGHT

(typical)

G

WSMS3124

3124

3.0

5.0

100μ to 750μ

100μ, 200μ, 400μ

4.3

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

RESISTOR CHARACTERISTICS

Temperature Coefficient

ppm/°C

± 75

Operating Temperature Range

°C

- 65 to + 170

Maximum Current Rating

A

GLOBAL PART NUMBER INFORMATION

GLOBAL PART NUMBERING EXAMPLE: WSMS3124L1000JK (WSMS3124, 0.0001 Ω, ± 5 %)

GLOBAL MODEL

RESISTANCE VALUE

TOLERANCE CODE

PACKAGING CODE

SPECIAL

WSMS3124

L = mΩ

L1000 = 0.00010 Ω

L2000 = 0.00020 Ω

L4000 = 0.00040 Ω

J = ± 5.0 %

K = Bulk pack

E = Tape and reel

(Dash number)

(Up to 2 digits)

From 1 to 99 as

applicable

W

S

M

S

3

1

2

4

L

1

0

0

0

J

K