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NFR25 Datasheet, PDF (5/8 Pages) Vishay Siliconix – Fusible, Non-Flammable Resistors
NFR25/25H
Fusible, Non-Flammable Resistors Vishay BCcomponents
10 3
P max
(W)
10 2
10
1
pt i/t = 1000
500
200
100
50
20
10
5
2
10 1
10 6
1200
Vmax
(V)
800
10 5
10 4
10 3
10 2
10 1
t i (s)
1
NFR25H Pulse on a regular basis; maximum permissible peak pulse power
(Pmax) as a function of pulse duration (ti).
400
0
10−6
Pulse Loading Capabilities
10−5
10−4
10−3
10−2
10−1
1
ti (s)
NFR25H Pulse on a regular basis; maximum permissible peak pulse
voltage (Vmax) as a function of pulse duration (ti).
100
∆T
(K)
80
60
40
Application Information
Document Number: 28737
Revision: 24-Feb-04
20
0
NFR25 Hot-spot temperature rise (∆T)
0
0.2
0.4 P (W) 0.6 as a function of dissipated power.
For technical questions contact: ff3dresistors@vishay.com
www.vishay.com
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