Datasheet

Document Number: 94168 For technical questions, contact: [e-mail]
www.vishay.com
Revision: 12-Mar-10 3
VS-20TQ035SPbF, VS-20TQ040SPbF, VS-20TQ045SPbF
Schottky Rectifier, 20 A
Vishay High Power Products
Fig. 1 - Maximum 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
0.1
10
100
1
1000
I
F -
Instantaneous
Forward Current
(A)
V
FM
- Forward Voltage Drop (V)
0.2 0.6 1.2 1.6 1.81.40.80.40 1.0
T
J
= 150 °C
T
J
= 125 °C
T
J
= 25 °C
0.001
1
100
10
0.1
0.01
1000
I
R
- Reverse Current (mA)
V
R
- Reverse Voltage (V)
515 30
40 45
3520100
25
T
J
= 125 °C
T
J
= 150 °C
T
J
= 100 °C
T
J
= 75 °C
T
J
= 50 °C
T
J
= 25 °C
100
10 000
C
T
- Junction Capacitance (pF)
V
R
- Reverse Voltage (V)
10 20 30 400
50
T
J
= 25 °C
0.001
0.1
0.01
1
10
0.00001 0.0001 0.001 0.01 0.1 1
t
1
- Rectangular Pulse Duration (s)
Z
thJC
- Thermal Impedance (°C/W)
10 100
Single pulse
(thermal resistance)
D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08
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