User guide

Document Number: 94095 For technical questions, contact: [e-mail]
www.vishay.com
Revision: 26-May-08 5
20ETF..FPPbF Soft Recovery Series
Fast Soft Recovery
Rectifier Diode, 20 A
Vishay High Power Products
Fig. 13 - Recovery Current Characteristics, T
J
= 150 °C
Fig. 14 - Thermal Impedance Z
thJC
Characteristics
100
60
0
0 200 400 600 800 1000
I
rr
- Maximum Reverse
Recovery Current (A)
dI/dt - Rate of Fall of Forward Current (A/µs)
20
40
80
20ETF.. Series
T
J
= 150 °C
I
FM
= 30 A
I
FM
= 20 A
I
FM
= 10 A
I
FM
= 5 A
I
FM
= 1 A
1
10
100.0001 0.001 0.01 0.1
Square Wave Pulse Duration (s)
Z
thJC
- Transient Thermal Impedance (K/W)
0.1
0.01
1
Steady state value
(DC operation)
20ETF.. Series
Single pulse
D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08