SR

www.vishay.com

Vishay Dale

Revision: 12-Dec-11

1

Document Number: 31067

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

Wirewound Resistors, Open Air, Current Sense, Low Value

FEATURES

• Open air design

• Low resistance values for all types of current

sensing,

voltage

division

and

pulse

applications including switching and linear

supplies, instrumentation and power amplifiers

• All welded construction

• Solid metal nickel-chrome or copper-nickel

alloy resistive element

• Solderable terminations

• Very low inductance

• Compliant to RoHS Directive 2002/95/EC

Note

technologies.

Notes

STANDARD ELECTRICAL SPECIFICATIONS

MODEL

POWER RATING

W

RESISTANCE RANGE



TOLERANCE

± %

SR1

1.0

0.005 to 0.03

1, 5

SR3

3.0

0.005 to 0.05

1, 5

SR5

5.0

0.004 to 0.05

1, 5

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

SR RESISTOR CHARACTERISTICS

Temperature Coefficient

ppm/°C

± 100 = 0.01

 to 0.05 ;

± 175 = 0.0051

 to 0.0099 ;

± 300 = 0.004

 to 0.005 

Operating Temperature Range

°C

- 65 to + 275

Maximum Continuous Current

A

GLOBAL PART NUMBER INFORMATION

Global Part Numbering example: SR55L000JE14

GLOBAL MODEL

VALUE

TOLERANCE

PACKAGING

SPECIAL

SR1

SR3

SR5

L = m



(below 0.01

)

R = Decimal

5L000 = 0.005



R0100 = 0.01



F = ± 1.0 %

J = ± 5.0 %

K = ± 10 %

E14 =

Lead (Pb)-free bulk

B14 =

Tin/lead bulk

(Dash Number)

(up to 3 digits)

From 1 to 999 as

applicable

L0

0

0

J

E

1

5

S

5

R

4