20TQ...SPbF
Vishay High Power Products
Schottky Rectifier, 20 A
FEATURES
• 150 °C TJ operation
Available
• Low forward voltage drop
• High frequency operation
• High purity, high temperature epoxy
Base
cathode
RoHS*
COMPLIANT
2
encapsulation for enhanced mechanical strength and
moisture resistance
• Guard ring for enhanced ruggedness and long term
reliability
1
N/C
3
D2PAK
Anode
• Lead (Pb)-free (“PbF” suffix)
• Designed and qualified for Q101 level
DESCRIPTION
PRODUCT SUMMARY
The 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.
IF(AV)
20 A
35 to 45 V
VR
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
IF(AV)
VRRM
IFSM
CHARACTERISTICS
VALUES
20
UNITS
Rectangular waveform
A
V
Range
35 to 45
1800
tp = 5 µs sine
20 Apk, TJ = 125 °C
Range
A
VF
0.51
V
TJ
- 55 to 150
°C
VOLTAGE RATINGS
PARAMETER
SYMBOL
20TQ035SPbF
20TQ040SPbF
20TQ045SPbF
UNITS
Maximum DC reverse voltage
VR
35
40
45
V
Maximum working peak reverse voltage
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
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 94168
Revision: 14-Aug-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
1