BRF Series – High Precision Power Foil Resistor

Features

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Formerly a Riedon™ product

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Resistances from 0.001 to 500 Ω

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Power rating to 2500 W

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TCR to ±15 PPM/°C

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Load stability to 0.1 %

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Very low inductance (<50 nH)

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RoHS compliant*

Applications

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Current sensing

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Power management

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Industrial power control

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Energy storage

Electrical Characteristics

Bourns

Model

Power Rating

Resistance

Range

Tolerance

(%)

TCR

@ +20 °C to +60 °C

Thermal

Resistance

(K/W)

Free Air (W) Heat SInk (W)

BRF8065

24

350

1 mΩ to 400 Ω

4 Terminals:

<10 mΩ: 0.5, 1, 2, 5

≥10 mΩ: 0.25, 0.5, 1, 2, 5

≥20 mΩ: 0.1, 0.25, 0.5, 1, 2, 5

2 Terminals:

0.5, 1, 2, 5

4 Terminals

>20 mΩ ±15 PPM

≤ 20 mΩ ±20 PPM

≤ 10 mΩ ±30 PPM

2 Terminals:

±50 PPM

0.16

BRF8110

32

600

1 mΩ to 500 Ω

0.09

BRF8216

60

1200

1 mΩ to 500 Ω

0.04

BRF8320

80

2000

1 mΩ to 500 Ω

0.026

BRF8370

90

2500

1 mΩ to 500 Ω

0.022

PRODUCT TECHNICAL

LIBRARY

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CONTACT

Additional Information

Click these links for more information:

Environmental Characteristics

Specification

Value

Operating Temperature

-40 °C to +130 °C

Max. Working Voltage

√P*R with a maximum of 1500 V

Max. Current

60 A

Thermal EMF

<0.1 μV/K

Storage Conditions

Temperature

Humidity

+5 °C to +35 °C

40 % to 75 %

Moisture Sensitivity Level

1

*RoHS Directive 2015/863, Mar 31, 2015 and Annex.

Specifications are subject to change without notice. Users should verify actual device performance in their specific

applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the

last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.

“Bourns” is a registered trademark of Bourns, Inc. in the United States and other countries.

In April 2023, BE Services Company, Inc., a subsidiary of Bourns, Inc., purchased certain assets of Riedon, Inc.,

including its logo and trademarks and the right to continue to manufacture former Riedon™ products.

“Riedon Logo” is a registered trademark of BE Services Company, Inc., in the United States.

“Riedon” is a trademark of BE Services Company, Inc.

CALIFORNIA WARNING:

Can expose you to lead, a carcinogen

and reproductive toxicant.

See www.P65Warnings.ca.gov

Americas: Tel: +1 951-781-5500

Email: americus@bourns.com

Mexico: Tel: +52-614-478-0400

Email: mexicus@bourns.com

Asia: Tel: +886-2-2562-4117

Email: asiacus@bourns.com

EMEA: Tel: +36 88 885 877

Email: eurocus@bourns.com

www.bourns.com

Current Rating Thermal Derating Curve

120

100

80

60

40

20

0

0.5 % STABILITY

0.2 % STABILITY

0.1 % STABILITY

25

50

85

115

100

130

TEMPERATURE OF THE BACKPLATE (°C)

The resistors must be attached to a suitable heat sink. The maximum internal resistor temperature is 155 °C.

Packaging Information

BRF8065, BRF8110.......................2 pcs./box

BRF8216, BRF8320, BRF8370.......1 pc./box