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Bourns PSD220S Riedon™ SMD Power Resistors

Bourns PSD220S Riedon™ SMD Power Resistors are a former Riedon product with resistance values as low as 0.02Ω. The Bourns PSD220S features a power rating up to 50W and load stability to ±0.5%. These thick-film power resistors are RoHS compliant and come in a TO-220 SMD D2Pak package. Applications include power supplies, stepper motor drives, and input amplifiers.

Features

  • Formerly a Riedon product
  • 0.02Ω minimum resistance values
  • 50W maximum power rating
  • ±0.5% maximum load stability
  • TO-220 SMD D2Pak package
  • Thick-film technology
  • RoHS compliant

Applications

  • Power supplies
  • Stepper motor drives
  • Input amplifiers

Specifications

  • ±1%, ±2%, or ±5% tolerance
  • ±100PPM/°C to ±600PPM/°C temperature coefficient of resistance (TCR)
  • 2.1K/W or 3.5K/W thermal resistance
  • Up to 2000VDC dielectric strength
  • -40°C to +155°C operating temperature range
  • Moisture Sensitivity Level 1 (MSL 1)

Dimensions

Mechanical Drawing - Bourns PSD220S Riedon™ SMD Power Resistors
Published: 2025-12-02 | Updated: 2025-12-08