Bourns PF2270 series Riedon™ power resistors

Bourns is pleased to announce the introduction of the Riedon™ PF2270 series by Bourns. The PF2270 series utilizes thick film technology and is available in a standard TO-227 package. These products offer low inductance, power ratings of 300W, a wide resistance value range from 0.1 ohms to 100k ohms, and resistance tolerance options of 1 % and 5 %.

This series is ideal for current limiting, current measurement, and capacitor discharge applications. Industrial motor drives, power conversion, and battery energy storage systems are suitable for design-in. The introduction of the PF2270 series strengthens the Bourns® high-power resistor products, offering customers more options to meet their requirements and applications.

Features

• Formerly a Riedon™ product
• Resistances from 0.1 ohms to 100k ohms
• Power rating up to 300 watts
• Resistance tolerances to ±1%
• TCR of ±100 PPM/°C
• TO‑227 (TO‑238) housing
• Isolated backplate
• Moisture‑resistant encapsulation
• M4x5mm screws included
• Excellent pulse handling
• RoHS compliant*

Applications

• AC/DC and DC/DC power converters
• Battery energy storage systems (BESS)
• Capacitor recharge/discharge circuits
• Industrial power supplies, inverters, and motor drives
• Current sensing

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

^{“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.}

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