Rev Date: 10/8/2021

1

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Please confirm technical specifications before you order and/or use.

BR Series

Bare Element Current Sensing Resistor

Stackpole Electronics, Inc.

Resistive Product Solutions

Features:

•

1, 3 and 5 watts

•

± 1%, ± 2% or ± 5% tolerance

•

± 20 ppm/ºC element wire

•

± 200 ppm/ºC at lead stops

•

All welded construction

•

Flameproof

•

Non-inductive (10nH max)

•

High current handling to 31 amps

•

100% RoHS compliant and lead free without exemption

•

Halogen free

•

REACH compliant

Applications:

•

Current sensing

•

Feedback

•

Low inductance

•

Surge and pulse

Please refer to the High Power Resistor Application Note (page 3) for more information on designing and implementing

high power resistor types.

Element width varies depending on resistance value.

Electrical Specifications

Mechanical Specifications

Power Rating (W)

Ohmic Range (Ω) and Tolerance

(1)

at 85ºC

1%, 2%, 5%

BR1

1

0.005 - 0.1

BR3

3

0.005 - 0.1

BR5

5

0.005 - 0.05

Type/Code

(1) Contact factory for resistance values below 0.005 Ω.

Product photo shown above is typical. Actual components may vary depending on element wire size and amount of trim adjusting

required to meet desired resistance value.

Type/Code

Unit

0.450 ± 0.040

± 0.100

0.125 ± 0.030

0.065 ± 0.010

0.04 ± 0.002

inches

11.43 ± 1.02

± 2.54

3.18 ± 0.76

1.65 ± 0.25

1.02 ± 0.05

mm

0.602 ± 0.040

± 0.200

0.125 ± 0.030

0.065 ± 0.010

0.04 ± 0.002

inches

15.30 ± 1.02

± 5.08

3.18 ± 0.76

1.65 ± 0.25

1.02 ± 0.05

mm

0.800 ± 0.040

± 0.200

0.125 ± 0.030

0.065 ± 0.010

0.04 ± 0.002

inches

20.32 ± 1.02

± 5.08

3.18 ± 0.76

1.65 ± 0.25

1.02 ± 0.05

mm

D

E

C

A

0.200

5.08

B

BR3

0.800

20.32

BR5

0.800

20.32

BR1