Owner's manual
Document Number: 94075 For technical questions, contact: ind-modules@vishay.com
www.vishay.com
Revision: 04-Aug-08 3
HFA80FA120P
HEXFRED
®
Ultrafast Soft Recovery
Diode, 80 A
Vishay High Power Products
Fig. 1 - Typical Forward Voltage Drop Characteristics Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics
1
100
10
I
F
- Instantaneous
Forward Current (A)
V
F
- Forward Voltage Drop (V)
1.0 1.5 2.0 2.5 3.0 3.5
4.0
T
J
= 150 °C
T
J
= 125 °C
T
J
= 25 °C
0.0001
1
10
0.1
0.01
0.001
I
R
- Reverse Current (µA)
V
R
- Reverse Voltage (V)
200 400 600 800 1000 12000
T
J
= 150 °C
T
J
= 125 °C
T
J
= 25 °C
100
10
1000
C
T
- Junction Capacitance (pF)
V
R
- Reverse Voltage (V)
10 100 1000
10 000
1
T
J
= 25 °C
0.01
0.001
0.0001
0.1
1
0.00001 0.0001 0.001 0.01 0.1 1
t
1
- Rectangular Pulse Duration (s)
Z
thJC
- Thermal Impedance (°C/W)
10
Single pulse
(thermal resistance)
D = 0.50
D = 0.20
D = 0.10
D = 0.05
D = 0.02
D = 0.01
.
.
P
DM
t
1
t
2
Notes:
1. Duty factor D = t
1
/t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C