Owner's manual

VS-HFA220FA120
www.vishay.com
Vishay Semiconductors
Revision: 22-Mar-12
3
Document Number: 93636
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Fig. 3 - Maximum Thermal Impedance Z
thJC
Characteristics (Per Leg)
Fig. 4 - Maximum Allowable Case Temperature vs. Average
Forward Current (Per Leg)
Fig. 5 - Forward Power Losses Characteristics (Per Leg)
Fig. 6 - Typical Reverse Recovery Time vs. dI
F
/dt
Fig. 7 - Typical Stored Charge vs. dI
F
/dt
0.01
0.1
1
0.0001 0.001 0.01 0.1 1 10
Z
thJC
- Thermal Impedance
Junction to Case (°C/W)
t
1
- Rectangular Pulse Duration (s)
0.75
0.50
0.33
0.25
0.20
P
DM
t
2
t
1
Notes:
1. Duty factor D = t
1
/t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
DC
0
25
50
75
100
125
150
175
0 20 40 60 80 100 120 140 160 180
Allowable Case Temperature (°C)
I
F(AV)
- Average Forward Current (A)
Square wave (d = 0.5)
Rated V
R
applied
DC
0
100
200
300
400
500
600
700
800
0 40 80 120 160 200
Average Power Loss (W)
I
F(AV)
- Average Forward Current (A)
RMS Limit
DC
D = 0.05
D = 0.10
D = 0.20
D = 0.33
D = 0.50
0010010
50
100
150
200
250
300
V
R
= 200 V
I
F
= 50 A, T
J
= 25 °C
I
F
= 50 A, T
J
= 125 °C
dI
F
/dt (A/μs)
t
rr
(ns)
dI
F
/dt (A/μs)
Q
rr
(ns)
0
500
1000
1500
2000
2500
3000
3500
4000
V
R
= 200 V
I
F
= 50 A, T
J
= 25 °C
I
F
= 50 A, T
J
= 125 °C
100 1000