FWP2324 Series – Riedon™ Precision Foil Power Resistors by Bourns

Features

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Formerly a Riedon™ product

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Resistance values as low as 1 mΩ

n

Power rating to 40 W

n

Resistance stability to ±0.1 %

n

Low thermal EMF: <1 µV/°C

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Metal foil technology

Applications

n

Current sensing

n

Power supplies

n

Stepper motor drives

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Input amplifiers

Additional Information

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Electrical Characteristics

Bourns

Model

Power Rating

@ 70 °C

Resistance

Range

Tolerance

(%)

TCR

20 °C to 60 °C

(PPM/°C)

Max.

Current

(A)

Dielectric

Withstanding

Voltage

(VDC)

Max. Torque

(Nm)

FWP2324

Free Air

Heat Sink

2.5 W

15 W

1 mΩ to 9 mΩ

±0.5

±1

±2

±5

±25

±15

150

500

0.8

10 mΩ to 50 Ω

±0.1

±0.25

±0.5

±1

±2

±5

FWP2324H

Free Air

Heat Sink

3 W

40 W

1 mΩ to 5 mΩ

±10

±5

±2

300

6 mΩ to 20 Ω

500

Environmental Characteristics

Specification

Value

Operating Temperature

-40 °C to +130 °C

Thermal EMF

< 1 μV/°C

Thermal Resistance

2.0 K/W

Storage Conditions

Temperature

Humidity

+5 °C to +35 °C

40 % to 75 %

Moisture Sensitivity Level

1

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)

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 dis-

claimers 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.

The PWR2324 Series resistors must be attached to a suitable heat sink. The maximum internal resistor

temperature is 130 °C

FWP2324

3L30

F

CALIFORNIA WARNING:

Can expose you to lead, a carcinogen

and reproductive toxicant.

See www.P65Warnings.ca.gov