Document Number: 93346

For technical questions, contact: diodes-tech@vishay.com

www.vishay.com

Revision: 21-Aug-08

1

Schottky Rectifier, 2 x 20 A

43CTQ...S/43CTQ...-1

Vishay High Power Products

FEATURES

• Center tap configuration

• Low forward voltage drop

• High purity, high temperature epoxy encapsulation for

enhanced mechanical strength and moisture resistance

• High frequency operation

• Guard ring for enhanced ruggedness and long term

reliability

• Designed and qualified for Q101 level

DESCRIPTION

This center tap Schottky rectifier series has been optimized

for low reverse leakage at high temperature. The proprietary

barrier technology allows for reliable operation up to 175 °C

junction temperature. Typical applications are in switching

power supplies, freewheeling diodes, and reverse battery

protection.

PRODUCT SUMMARY

2 x 20 A

80/100 V

43CTQ...S

Base

common

cathode

TO-262

43CTQ...-1

Anode

Anode

Common

cathode

1

3

2

2

Base

common

cathode

Anode

Anode

Common

cathode

1

3

2

2

MAJOR RATINGS AND CHARACTERISTICS

SYMBOL

CHARACTERISTICS

VALUES

UNITS

Rectangular waveform

40

A

80/100

V

850

A

0.67

V

Range

- 55 to 175

°C

VOLTAGE RATINGS

PARAMETER

SYMBOL

43CTQ080S

43CTQ080-1

43CTQ100S

43CTQ100-1

UNITS

Maximum DC reverse voltage

80

100

V

Maximum working peak reverse voltage

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

TEST CONDITIONS

VALUES

UNITS

Maximum average

forward current

See fig. 5

per leg

20

A

per device

40

Maximum peak one cycle non-repetitive

surge current per leg

See fig. 7

5 µs sine or 3 µs rect. pulse

Following any rated load

condition and with rated

850

10 ms sine or 6 ms rect. pulse

275

Non-repetitive avalanche energy per leg

7.50

mJ

Repetitive avalanche current per leg

Current decaying linearly to zero in 1 µs

0.50

A