Datasheet > 18TQS

18TQS

更新时间： 2024-11-16 05:56:31

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
6页	115K
描述
Schottky Rectifier, 18 A

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18TQS 数据手册

18TQ...S

Vishay High Power Products

Schottky Rectifier, 18 A

FEATURES

• 175 °C T_Joperation

• Low forward voltage drop

• High frequency operation

Base

cathode

• High purity, high temperature epoxy encapsulation for

enhanced mechanical strength and moisture resistance

• Guard ring for enhanced ruggedness and long term

reliability

D²PAK

N/C

Anode

• Designed and qualified for Q101 level

DESCRIPTION

The 18TQ... 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, converters, freewheeling diodes, and

reverse battery protection.

PRODUCT SUMMARY

I_F(AV)

18 A

35 to 45 V

V_R

MAJOR RATINGS AND CHARACTERISTICS

SYMBOL

I_F(AV)

V_RRM

I_FSM

CHARACTERISTICS

VALUES

UNITS

Rectangular waveform

Range

35 to 45

1800

t_p= 5 µs sine

18 Apk, T_J= 125 °C

Range

V_F

0.53

T_J

- 55 to 175

°C

VOLTAGE RATINGS

PARAMETER

SYMBOL

18TQ035S

18TQ040S

18TQ045S

UNITS

Maximum DC reverse voltage

Maximum working peak reverse voltage

V_R

V_RWM

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

TEST CONDITIONS

50 % duty cycle at T_C= 149 °C, rectangular waveform

VALUES

UNITS

Maximum average forward current

See fig. 5

I_F(AV)

Maximum peak one cycle

non-repetitive surge current

See fig. 7

Following any rated

load condition and with

rated V_RRMapplied

5 µs sine or 3 µs rect. pulse

1800

I_FSM

10 ms sine or 6 ms rect. pulse

390

Non-repetitive avalanche energy

Repetitive avalanche current

E_AS

I_AR

T_J= 25 °C, I_AS= 3.6 A, L = 3.7 mH

Current decaying linearly to zero in 1 µs

Frequency limited by T_Jmaximum V_A= 1.5 x V_Rtypical

3.6

Document Number: 93950

Revision: 25-Jun-08

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

www.vishay.com

12 3 4 5 6

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