C&H Technology 81CNQ...A Series - Manual (Page 2)

Document Number: 93400 For technical questions, contact: [email protected] www.vishay.com
Revision: 19-Aug-08 1
Schottky Rectifier
New Generation 3 D-61 Package, 2 x 40 A
81CNQ...A Series
Vishay High Power Products
FEATURES
• 175 °C T
J
operation
• Center tap module
• Low forward voltage drop
• High frequency operation
• High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
• Guard ring for enhanced ruggedness and long term
reliability
• New fully transfer-mold low profile, small footprint, high
current package
• Designed and qualified for industrial level
DESCRIPTION
The 81CNQ...A 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,
freewheeling diodes, and reverse battery protection.
PRODUCT SUMMARY
I
F(AV)
2 x 40 A
V
R
35 to 45 V
Base
common
cathode
Base
common
cathode
Common
cathode
Anode
2
Anode
1
1 2 3
Common
cathode
Anode
2
Anode
1
1 2 3
Anode
2
Anode
1
1 3
D-61-8
81CNQ...A
81CNQ...ASM
D-61-8-SM
81CNQ...ASL
D-61-8-SL
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
I
F(AV)
Rectangular waveform 80 A
V
RRM
35 to 45 V
I
FSM
t
p
= 5 µs sine 4600 A
V
F
40 Apk, T
J
= 125 °C (per leg) 0.54 V
T
J
Range - 55 to 175 °C
VOLTAGE RATINGS
PARAMETER SYMBOL 81CNQ035A 81CNQ040A 81CNQ045A UNITS
Maximum DC reverse voltage V
R
35 40 45 V
Maximum working peak reverse voltage V
RWM