Vishay 20ETF.. Soft Recovery Series - Manual (Page 5)

Document Number: 93139 For technical questions, contact: [email protected] www.vishay.com
Revision: 11-Jun-08 5
20ETF.. Soft Recovery Series
Fast Soft Recovery
Rectifier Diode, 20 A
Vishay High Power Products
Fig. 12 - Recovery Current Characteristics, T
J
= 25 °C Fig. 13 - Recovery Current Characteristics, T
J
= 150 °C
Fig. 14 - Thermal Impedance Z
thJC
Characteristics
3.0
0
0 200 400 600 800 1000
Q
rr
- Maxim
u
m Re
ver
se
Reco
ver
y Char
g
e
(µC)
dI/dt - Rate of Fall of Forward Current (A/µs)
1.0
2.0
4.0
0.5
1.5
2.5
3.5
I
FM
= 1 A
I
FM
= 5 A
I
FM
= 10 A
I
FM
= 20 A
I
FM
= 30 A
20ETF.. Series
T
J
= 25 °C
10
6
0
0 200 400 600 800 1000
Q
rr
- Maxim
um Re
ver
se
Reco
ver
y Char
g
e
(µC)
dI/dt - Rate of Fall of Forward Current (A/µs)
2
4
8
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
3
5
7
9
1
10
1 0.0001 0.001 0.01 0.1
Square Wave Pulse Duration (s) Z
thJC
- Transient Thermal Impedance (K/W)
0.1
0.01
Single pulse
20ETF.. Series
Steady state value
(DC operation)
D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08