S494D 查看數據表（PDF） - Vishay Semiconductors

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产品描述 (功能)

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S494D

Fast Soft Recovery Rectifier

Vishay Semiconductors 

Fast Soft Recovery Rectifier

Features

D Hermetically sealed axial–leaded

glass envelope

D Glass passivated

D Very low reverse current

D Soft recovery characteristics

S494D

Vishay Telefunken

Applications

Switched–mode power supplies

High–frequency inverter circuits

Electronic ballast

95 10526

Absolute Maximum Ratings

Tj = 25_C

Parameter

Reverse voltage

=Repetitive peak reverse voltage

Peak forward surge current

Average forward current

Junction and storage temperature range

Test Conditions

tp=8.3ms, half–sinewave

l= 10mm, Tamb=38°C

Type Symbol Value Unit

VR

600

V

=VRRM

IFSM

30

A

IFAV

1.25

A

Tj=Tstg –65...+175 °C

Maximum Thermal Resistance

Tj = 25_C

Parameter

Test Conditions

Junction ambient

lead length l = 10mm, TL = constant

Symbol

Value

Unit

RthJA

60

K/W

Electrical Characteristics

Tj = 25_C

Parameter

Test Conditions

Forward voltage

Reverse current

Reverse recovery time

IF=1A

VR=VRRM

VR=VRRM, Tj=150°C

IF=0.5A, IR=1A, iR=0.25A

Type Symbol Min Typ Max Unit

VF

1.3 V

IR

500 nA

IR

150 mA

trr

200 ns

Document Number 86058

Rev. 2, 24-Jun-98

www.vishay.de • FaxBack +1-408-970-5600

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