WSMS2906

www.vishay.com

Vishay Dale

Revision: 21-Nov-11

1

Document Number: 30181

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

Very Low Value (down to 0.0003

)

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)

• Compliant to RoHS Directive 2002/95/EC

Note

Note

STANDARD ELECTRICAL SPECIFICATIONS

GLOBAL

MODEL

SIZE

POWER RATING

W

TOLERANCE

%

RESISTANCE VALUE

RANGE



RESISTANCE VALUES



WEIGHT

(typical)

g/1000 pieces

WSMS2906

2906

3.0

5.0

300μ to 660μ

300μ, 400μ, 500μ

4.7

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

RESISTOR CHARACTERISTICS

Temperature Coefficient

ppm/°C

± 100 for 300 μ

 and 400 μ,

± 75 for 500 μ



Operating Temperature Range

°C

- 65 to + 170

Maximum Current Rating

A

GLOBAL PART NUMBER INFORMATION

GLOBAL PART NUMBERING EXAMPLE: WSMS2906L4000JK (WSMS2906, 0.0004

, ± 5 %)

GLOBAL MODEL

RESISTANCE VALUE

TOLERANCE CODE

PACKAGING CODE

SPECIAL

WSMS2906

L = m



L3000 = 0.00030



L4000 = 0.00040



L5000 = 0.00050



J = ± 5.0 %

K = Bulk pack

(Dash number)

(Up to 2 digits)

From 1 to 99 as

applicable

W

S

M

S

2

9

0

6

L

4

0

0

0

J

K