Diode FR157

$0.10
Price $0.10
Category Components
Availability In stock
Delivery Shipped across Lebanon, or collect from the lab

A fast-recovery rectifier: same 1000 V blocking as a 1N4007 but rated 1.5 A and, more to the point, it stops conducting in about 500 ns instead of tens of microseconds. That is what makes it usable as the output or freewheel diode in a switching supply, an inverter or a boost converter, where an ordinary rectifier would sit there conducting backwards and cooking. Axial DO-15 body, banded end is the cathode.

Key features

  • Reverse recovery 500 ns
  • 1.5 A average forward current at 55 C
  • 1000 V repetitive peak reverse voltage
  • Forward drop 1.3 V max at 1.5 A
  • 50 A surge for one 8.3 ms half-cycle
  • For SMPS, inverters and freewheel duty

Details

Specifications

Model FR157
Type Fast-recovery silicon rectifier
Package DO-15 axial
Peak reverse voltage 1000 V
RMS voltage 700 V
Average forward current 1.5 A at 55 C
Peak surge current 50 A (8.3 ms half sine)
Forward voltage 1.3 V max at 1.5 A
Reverse recovery time 500 ns
Junction capacitance 20 pF typ
Operating temperature -55 C to +150 C