Owner's manual

Document Number: 93400 For technical questions, contact: [e-mail]
www.vishay.com
Revision: 19-Aug-08 3
81CNQ...A Series
Schottky Rectifier
New Generation 3
D-61 Package, 2 x 40 A
Vishay High Power Products
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction and storage
temperature range
T
J
, T
Stg
- 55 to 175 °C
Maximum thermal resistance,
junction to case per leg
R
thJC
DC operation
See fig. 4
0.85
°C/W
Maximum thermal resistance,
junction to case per package
DC operation 0.42
Typical thermal resistance,
case to heatsink (D-61-8 only)
R
thCS
Mounting surface, smooth and greased
Device flatness < 5 mils
0.30
Approximate weight
7.8 g
0.28 oz.
Mounting torque
(D-61-8 only)
minimum 40 (35)
kgf · cm
(lbf · in)
maximum 58 (50)
Marking device
Case style D-61-8
81CNQ035A
81CNQ040A
81CNQ045A
Case style D-61-8-SM
81CNQ035ASM
81CNQ040ASM
81CNQ045ASM
Case style D-61-8-SL
81CNQ035ASL
81CNQ040ASL
81CNQ045ASL