VPG (Malvern, PA) announced that its Powertron resistor brand has introduced the first seven devices in its S Series of precision foil current sense resistors. Offering a TCR of ±2 ppm/°C — the SHR, SHS, SNR, and SPR devices provide power ratings to 80 W in a variety of epoxy packages. Other features include:

  • Wide range of power ratings from 1.5 W in free air to 80 W when mounted on a heatsink.
  • Low resistance values from 0.002 to 50 Ω.
  • Tight tolerances to ±0.1%.
  • Maximum currents to 150 A.
  • Thermal EMF of <1 µV/°C.
  • Temperature range of -40° to +130°C.

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