PSD126 Series – Riedon™ SMD Power Resistors by Bourns

Features

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Formerly a Riedon™ product

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Resistance values as low as 0.025 Ω

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Power rating to 25 watts

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Load stability to ±0.5 %

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TO-126 housing

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Thick film technology

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High reliability

Applications

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Power supplies

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Stepper motor drives

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Input amplifiers

Specifications

Bourns Model

PSD126

Resistance Range (Ω)

0.025 to 0.049 0.05 to 0.099 0.1 to 0.99

1 to 10k

Power Rating (W)

@ 70 °C with Heat SInk

25

Tolerance (%)

2 / 5

1 / 2 / 5

TCR (PPM/°C)

±500

±400

±300

±100

Dielectric Withstanding

Voltage

2000 VDC

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Additional Information

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Environmental Characteristics

Specification

Value

Operating Temperature

-40 °C to +175 °C

Thermal Resistance

6.0 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

25

85

55

40

70

100 115 130 145

175

155

TEMPERATURE OF THE BACKPLATE (°C)

These resistors must be attached to a suitable heat sink. The maximum

internal resistor temperature is +175 °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 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

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