Bulletin PD-20724 rev. B 10/02
409DMQ... Series
SCHOTTKY RECTIFIER
400 Amp
TO-244AB
isolated doubler
Major Ratings and Characteristics
Characteristics
I
F(AV)
Rectangular
waveform
V
RRM
I
FSM
@ tp = 5 碌s sine
V
F
T
J
@ 200Apk, T
J
=125擄C
(per leg)
range
135 to 150
25,500
0.72
V
A
V
Description/ Features
The 409DMQ Schottky rectifier doubler module series has
been optimized for low reverse leakage at high temperature.
The proprietary barrier technology allows for reliable operation
up to 175 擄C junction temperature. Typical applications are in
high current switching power supplies, plating power supplies,
UPS systems, converters, free-wheeling diodes, welding, and
reverse battery protection.
175 擄C T
J
operation
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
409DMQ... Units
400
A
- 55 to 175
擄C
1
2
3
Modified JEDEC
Outline TO-244AB Isolated
Dimensions in millimeters and (inches)
www.irf.com
1