SCHOTTKY RECTIFIER 80 Amp
81CNQ... SERIES
PD-2.237 rev. B 01/99
www.irf.com 1
I
F(AV)
Rectangular 80 A
waveform
V
RRM
range 35 to 45 V
I
FSM
@ tp = 5 µs sine 4600 A
V
F
@

40 Apk, T
J
= 125°C 0.54 V
(per leg)
T
J
range - 55 to 175 °C
Characteristics 81CNQ... Units
Major Ratings and Characteristics
Case Styles
D61-8 D61-8-SM D61-8-SL
81CNQ... 81CNQ...SM 81CNQ...SL
The 81CNQ center tap Schottky rectifier module series has
been optimized for low reverse leakage at high temperature.
The proprietary barrier technology allows for reliable operation
up to 175 °C junction temperature. Typical applications are in
switching power supplies, converters, free-wheeling diodes,
and reverse battery protection.
175 °C T
J
operation
Center tap module
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
Low profile, small footprint, high current package
Description/Features