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Bourns Riedon™ PF2472 TO-247 Power Resistors

Bourns Riedon™ PF2472 TO-247 Power Resistors utilize thick film technology and come in standard TO-247 packaging. The PF2472 series offers low inductance, a power rating of up to 100W, and a wide resistance value range from 0.1Ω to 20kΩ. These Bourns power resistors feature resistance tolerance options of 1% and 5% and are ideal for AC-DC and DC-DC power converters, battery energy storage systems (BESS), capacitor recharge/discharge circuits, and more.

Features

  • 0.1Ω to 20kΩ resistance range
  • Up to 100W power rating
  • ±1% or ±5% resistance tolerance
  • High stability film resistance elements
  • Back plate isolated from both pins
  • Low inductance
  • Excellent pulse handling
  • TO-247 housing

Applications

  • AC-DC and DC-DC power converters
  • BESS
  • Capacitor recharge/discharge circuits
  • Industrial power supplies, inverters, and motor drives
  • Current sensing
  • Snubber circuits

Specifications

  • Power ratings
    • 100W with heat sink
    • 3W without a heat sink
  • 1.3°C/W thermal resistance
  • 2500VAC dielectric strength
  • Temperature coefficient
    • ±20PPM/°C (R≥20Ω)
    • ±300PPM/°C (0.1Ω≤R<20Ω)
  • -55°C to +175°C operating temperature

Videos

Dimensions

Mechanical Drawing - Bourns Riedon™ PF2472 TO-247 Power Resistors
Published: 2025-08-06 | Updated: 2025-10-15