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Bourns PSD220T-50 Riedon™ SMD Power Resistors

Bourns PSD220T-50 Riedon™ SMD Power Resistors are a former Riedon product with resistance values as low as 0.02Ω. The Bourns PSD220T-50 features a power rating up to 50W and load stability to ±0.5%. These thick-film 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
  • Thick-film technology
  • RoHS compliant

Applications

  • Power supplies
  • Stepper motor drives
  • Input amplifiers

Specifications

  • Power rating
    • 2W (free air)
    • 50W (heat sink)
  • Resistance range
    • 0.02Ω to 0.049Ω (heat sink, ±2% tolerance)
    • 0.05Ω to 0.099Ω (heat sink, ±5% tolerance)
    • 0.1Ω to 15KΩ (free air, ±1%, ±2%, or ±5 tolerance)
  • ±100PPM/°C, ±300PPM/°C, or ±600PPM/°C temperature coefficient of resistance (TCR)
  • 2.1K/W thermal resistance
  • 1500VDC dielectric strength
  • -40°C to +155°C operating temperature range

Dimensions

Mechanical Drawing - Bourns PSD220T-50 Riedon™ SMD Power Resistors
Publicerad: 2025-12-02 | Uppdaterad: 2025-12-08