Datasheet

VR25, VR37, VR68
www.vishay.com
Vishay BCcomponents
Revision: 21-Sep-2018
4
Document Number: 28907
For technical questions, contact: [e-mail]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
FUNCTIONAL PERFORMANCE
Derating
Hot-Spot Temperature Rise (T) as a Function of Dissipated Power
VR25 VR37
VR68
-55
Ambient Temperature in °C
Power in %
050
70
100 125 155
20
0
40
60
80
100
0 0.10 0.250.20
P (W)
35
0
10
20
25
30
ΔT
(K)
0.150.05
5
15
0 0.2 0.50.4
P (W)
60
0
10
30
40
50
ΔT
(K)
0.30.1
20
0 0.4 1.00.8
P (W)
70
0
20
40
50
60
ΔT
(K)
0.60.2
10
30