Inrush Resistor Q791 

Inrush Resistor

The standard inrush resistor Q791 in thick film technology is used as an inrush current limiter. The resistor is designed for charging a capacitor of 235 µF (2x470 µF serial) with up to 750 V, as used in 400 V~, 3-phase rectifier circuits.

Product Features

  • R = 100 Ω E(pulse) = 66 J
  • Pcont = 4 W
  • SIL / THT
  • Thick film technology
  • Pb-free


Typical Applications

  • Motor drive
  • SMPS
  • Welding etc.

Features of the Vincotech TF technology

  • Individual resistor values with accurate laser trimming
  • Relative trimming and functional trimming
  • Low inductive resistors
  • High-voltage, companion dissipation and pulse companion capabilities
  • Ultra low temperature coefficient
  • High-density multi-layer available
  • Best reliability

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