RURD4120S Fairchild Semiconductor, RURD4120S Datasheet - Page 4

• Manufacturer Part Number: RURD4120S
• Description: Rurd4120, Rurd4120s 4a, 1200v Ultrafast Diodes
• Manufacturer: Fairchild Semiconductor

©2002 Fairchild Semiconductor Corporation
Test Circuits and Waveforms
V
V
R
t
GE
1 AND
GE
G
I = 1A
L = 20mH
R < 0.1Ω
E
Q
CONTROL dI
AVL
1
AMPLITUDE AND
= IGBT (BV
FIGURE 10. AVALANCHE ENERGY TEST CIRCUIT
t
2
= 1/2LI
CONTROL I
t
1
2
t
[V
F
CES
2
/dt
FIGURE 8. t
R(AVL)
F
> DUT V
/(V
Q
R(AVL)
1
R(AVL)
R
G
rr
TEST CIRCUIT
- V
)
DD
DUT
CURRENT
L
)]
SENSE
IGBT
DUT
CURRENT
L
SENSE
R
+
V
-
V
DD
DD
+
-
V
DD
FIGURE 11. AVALANCHE CURRENT AND VOLTAGE
I V
0
t
0
I
FIGURE 9. t
F
dI
dt
WAVEFORMS
F
I
L
rr
WAVEFORMS AND DEFINITIONS
t
1
V
I
t a
AVL
L
t
t rr
2
RURD4120, RURD4120S Rev. B
t b
0.25 I
I
RM
t
RM