Datasheet

Document Number: 93917 For technical questions, contact: [e-mail]
www.vishay.com
Revision: 21-Aug-08 3
43CTQ...
Schottky Rectifier, 2 x 20 A
Vishay High Power Products
Fig. 1 - Maximum Forward Voltage Drop Characteristics
(Per Leg)
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage (Per Leg)
Fig. 3 - Typical Junction Capacitance vs.
Reverse Voltage (Per Leg)
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics (Per Leg)
1
10
0.8
1.2
V
FM
- Forward Voltage Drop (V)
I
F
- Instantaneous Forward Current (A)
100
0.40.2 0.6 1.0 1.4 1.8
1000
1.6
T
J
= 175 °C
T
J
= 125 °C
T
J
= 25 °C
0.1
1
10
100
0.01
0
V
R
- Reverse Voltage (V)
I
R
- Reverse Current (mA)
80
100
1000
4020 60
0.001
T
J
= 50 °C
T
J
= 100 °C
T
J
= 125 °C
T
J
= 25 °C
T
J
= 75 °C
T
J
= 150 °C
T
J
= 175 °C
10 000
06080
100
V
R
- Reverse Voltage (V)
C
T
- Junction Capacitance (pF)
20
1000
40
100
T
J
= 25 °C
0.1
1
10
0.00001 0.0001 0.001 0.01 0.1
t
1
- Rectangular Pulse Duration (s)
Z
thJC
- Thermal Impedance (°C/W)
Single pulse
(thermal resistance)
1
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
100
0.01
Notes:
1. Duty factor D = t
1
/t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
P
DM
t
1
t
2
10