WSMS2908

www.vishay.com

Vishay Dale

Revision: 11-Aug-17

1

Document Number: 30160

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)

• AEC-Q200 qualified

• Material categorization: for definitions of compliance

Note

STANDARD ELECTRICAL SPECIFICATIONS

GLOBAL

MODEL

SIZE

POWER RATING

W

TOLERANCE

%

RESISTANCE VALUE

RANGE

Ω

RESISTANCE VALUES

Ω

WEIGHT

(typical)

g/1000 pieces

WSMS2908

2908

3.0

5.0

50μ to 1000μ

100μ, 250μ, 300μ, 430μ, 500μ

2100

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

RESISTOR CHARACTERISTICS

Temperature coefficient

ppm/°C

± 1100 for 100 μ

Ω, ± 300 for 250 μΩ,

± 225 for 300 μ

Ω, ± 175 for 430 μΩ and 500 μΩ

Operating temperature range

°C

-65 to +170

Maximum current rating

A

GLOBAL PART NUMBER INFORMATION

GLOBAL PART NUMBERING: WSMS2908L1000JE (WSMS2908, 0.0001

Ω, ± 5 %, tape / reel)

GLOBAL MODEL

RESISTANCE VALUE

TOLERANCE CODE

PACKAGING CODE

SPECIAL

WSMS2908

L = m

Ω

L1000 = 0.00010

Ω

L2500 = 0.00025

Ω

L3000 = 0.00030

Ω

L4300 = 0.00043

Ω

L5000 = 0.00050

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

2

9

0

8

L

1

0

0

0

J

E