KOA Fusing Flat Chip Resistors RF73
Product pictures
Product introduction


  • In normal condition, it works as a resistor and when exessive voltage is applied, it protects circuits by fusing quickly.

  • The same shape as RK73 series.

  • Recognized by safety standard UL1412. (1J is not recognized.)

  • Suitable for both flow and reflow solderings.

  • Products with lead free termination meet EU-RoHS requirements , EU-RoHS requlation is 

  • not intended for PB-glass contained in electrode , resistor element and glass.