VS-20TQ035SPbF, VS-20TQ040SPbF, VS-20TQ045SPbF
Vishay High Power Products
Schottky Rectifier, 20 A
FEATURES
• 150 °C TJ operation
• Low forward voltage drop
Base
cathode
• High frequency operation
2
• High purity, high temperature epoxy
encapsulation for enhanced mechanical
strength and moisture resistance
• Guard ring for enhanced ruggedness and long
term reliability
1
N/C
3
D2PAK
Anode
• Meets MSL level 1, per J-STD-020, LF maximum peak of
260 °C
• Halogen-free according to IEC 61249-2-21 definition
• Compliant to RoHS directive 2002/95/EC
• AEC-Q101 qualified
PRODUCT SUMMARY
DESCRIPTION
IF(AV)
20 A
35 V to 45 V
The VS-20TQ... Schottky rectifier series has been optimized
for very low forward voltage drop, with moderate leakage.
The proprietary barrier technology allows for reliable
operation up to 150 °C junction temperature. Typical
applications are in switching power supplies, converters,
freewheeling diodes, and reverse battery protection.
VR
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
IF(AV)
VRRM
IFSM
CHARACTERISTICS
Rectangular waveform
Range
VALUES
20
UNITS
A
V
35 to 45
1800
tp = 5 μs sine
A
VF
20 Apk, TJ = 125 °C
Range
0.51
V
TJ
- 55 to 150
°C
VOLTAGE RATINGS
PARAMETER
SYMBOL
VR
VS-20TQ035SPbF
35
VS-20TQ040SPbF
VS-20TQ045SPbF
UNITS
Maximum DC reverse voltage
Maximum working peak reverse voltage
40
45
V
VRWM
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
TEST CONDITIONS
VALUES
UNITS
Maximum average forward current
See fig. 5
IF(AV)
50 % duty cycle at TC = 116 °C, rectangular waveform
20
A
Maximum peak one cycle
non-repetitive surge current
See fig. 7
Following any rated load
condition and with rated
5 μs sine or 3 μs rect. pulse
10 ms sine or 6 ms rect. pulse
1800
IFSM
400
27
V
RRM applied
Non-repetitive avalanche energy
Repetitive avalanche current
EAS
IAR
TJ = 25 °C, IAS = 4 A, L = 3.40 mH
mJ
A
Current decaying linearly to zero in 1 μs
Frequency limited by TJ maximum VA = 1.5 x VR typical
4
Document Number: 94168
Revision: 12-Mar-10
For technical questions, contact: diodestech@vishay.com
www.vishay.com
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