Vishay semiconductors – C&H Technology VS-HFA90FA120 User Manual
Page 4
VS-HFA90FA120
www.vishay.com
Vishay Semiconductors
Revision: 29-Feb-12
3
Document Number: 94690
For technical questions within your region:
,
,
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics (Per Leg)
Fig. 5 - Maximum Allowable Case Temperature vs. Average
Forward Current (Per Leg)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
V
R
-
Reverse Voltage (V)
C
T
-
Junction Capacitance (pF)
10
100
1000
1
10
100
1000
10 000
Z
thJC
-
Thermal Impe
d
ance (°C/W)
t
1
-
Rectangular Pulse Duration (s)
0.001
0.01
0.1
1
0.0001
0.001
0.01
0.1
1
10
DC
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
D = 0.75
D = 0.20
D = 0.25
D = 0.33
D = 0.50
Single pulse
(thermal resistance)
I
F(AV)
-
Average
Forward Current (A)
Allowable Case Temperature (°C)
0
25
50
75
100
125
150
175
0
10
20
30
40
50
60
70
80
90
DC
Square wave (d = 0.5)
80 % rated V
R
applied
I
F(AV)
-
Average
Forward Current (A)
Average Power Loss (W)
0
50
100
150
200
250
300
0
10
20
30
40
50
60
70
80
RMS limit
DC
D = 0.75
D = 0.20
D = 0.25
D = 0.33
D = 0.50