HFA135NH40PbF
Vishay High Power Products
6000
5000
4000
T
J
= 125 °C
T
J
= 25 °C
HEXFRED
®
Ultrafast Soft Recovery
Diode, 275 A
10 000
Q
rr
(nC)
I
F
= 200 A
I
F
= 135 A
I
F
= 50 A
3000
2000
1000
0
100
dI
(rec)M
/dt (A/µs)
200 A
135 A
50 A
1000
T
J
= 125 °C
T
J
= 25 °C
1000
100
100
1000
dI
F
/dt (A/µs)
Fig. 7 - Typical Stored Charge vs. dI
F
/dt
dI
F
/dt (A/µs)
Fig. 8 - Typical dI
(rec)M
/dt vs. dI
F
/dt
1
Z
thJC
- Thermal Response
0.1
0.01
Single pulse
(thermal response)
0.001
0.00001
D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08
0.0001
0.001
0.01
0.1
1
10
t
1
- Rectangular Pulse Duration (s)
Fig. 9 - Maximum Thermal Impedance Z
thJC
Characteristics
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Document Number: 94050
Revision: 01-Aug-08
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