KOA Speer
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PSG4 Buy Now

KOA Speer's PSG4 resistor has a low T.C.R. of ± 50 ppm/°C, with a resistance tolerance of ± 1% and resistance values of 0.5mΩ and 1mΩ. The PSG4 is AEC-Q200 qualified and meets EU RoHS requirements. The PSG4 is ideal for automatic mounting and is suitable for reflow soldering.

Used primarily for current detection, the PSG4 current sense power shunt resistors are ideal for transportation and industrial applications such as motor control, inverters, DC-DC convertors, and battery management.


  • Correcter electric current detection is possible to 4-terminal construction
  • Excellent T.C.R. achieved (±50x10-6/K)
  • Ultra low resistance, suitable for large current sensing
  • Automatic mounting machines are applicable
  • Suitable for reflow soldering (Not suitable for flow soldering)
  • Products meet EU RoHS requirements
  • AEC-Q200 qualified


  • Automotive
    • Electronic controls
    • Electronic power stearing
    • Electric and Hybrid controls
    • Electric water pump and oil pump
    • Air conditioning
    • EV and HEV battery management
  • Computer
    • DC/DC Converters
    • Li-Ion battery management
  • Industrial
    • Oil/Gas well drilling
    • Air conditioning/Heat pump
    • Inverter control