Vishay high power products, Hexfred, Ultrafast soft recovery diode, 240 a – C&H Technology HFA240NJ40CPbF User Manual
Page 5
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Document Number: 94063
4
Revision: 01-Aug-08
HFA240NJ40CPbF
Vishay High Power Products
HEXFRED
®
Ultrafast Soft Recovery
Diode, 240 A
Fig. 7 - Typical Stored Charge vs. dI
F
/dt (Per Leg)
Fig. 8 - Typical dI
(rec)M
/dt vs. dI
F
/dt (Per Leg)
Fig. 9 - Maximum Thermal Impedance Z
thJC
Characteristics (Per Leg)
6000
4000
100
1000
dI
F
/dt (A/µs)
Q
rr
(nC)
T
J
= 125 °C
T
J
= 25 °C
2000
1000
3000
0
5000
I
F
= 200 A
I
F
= 120 A
I
F
= 50 A
1000
100
100
1000
dI
F
/dt (A/µs)
dI
(rec)M
/dt (A/µs)
T
J
= 125 °C
T
J
= 25 °C
200 A
120 A
50 A
10 000
0.01
0.1
1
0.00001
0.0001
0.001
0.01
0.1
1
t
1
- Rectangular Pulse Duration (s)
Z
thJC
- Thermal Response
Single pulse
(thermal response)
0.001
10
D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08
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