D1270B Datasheet, PDF (4/5 Pages) Nell Semiconductor Co., Ltd – Standard Recovery Diodes

SEMICONDUCTOR
Fig.7 Maximum non-repetitive surge current
single and double side cooled
12000
11000
10000
9000
At Any Rated Load Condition And With
Rated VRRM Applied Following Surge
initial T_J = 175°C
@ 60Hz 0.0083 s
@ 50Hz 0.0100 s
8000
7000
6000
5000
4000
3000
1
10
100
Number of equal amplitude half cycle
current pulses (N)
D1270B Series RRooHHSS
Nell High Power Products
Fig.8 Maximum non-repetitive surge current
single and double side cooled
14000
13000
12000
11000
10000
9000
8000
7000
6000
5000
4000
3000
0.01
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration.
Initial T_J = 175°C
No Voltage Reapplied @50Hz
Rated VRRM Reapplied @50Hz
0.1
1
Pulse train duration (S)
Fig.9 Forward voltage drop characteristcs
10000
TJ = 25°C
TJ = 125°C
1000
100
0.5 1 1.5 2 2.5 3 3.5 4
Instantaneous forward voltage (V)
Fig.10 Thermal lmpedance R_thJ-hs characteristics
0.1
Steady State Value
R_thJ-hs (DC) = 0.010 K/W
(Single side cooled)
R_thJ-hs(DC) = 0.05 K/W
(Double side cooled)
(DC Operation)
0.01
0.001
0.001
0.01
0.1
1
10
Square wave pulse duration (s)
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