BYV74W データシートの表示（PDF） - Philips Electronics

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BYV74W

Dual rectifier diodes ultrafast

Philips Electronics 

Philips Semiconductors

Dual rectifier diodes

ultrafast

Product specification

BYV74W series

FEATURES

SYMBOL

• Low forward volt drop

• Fast switching

• Soft recovery characteristic

• High thermal cycling performance

• Low thermal resistance

a1

a2

1

3

k2

GENERAL DESCRIPTION

Dual, common cathode, ultra-fast,

epitaxial rectifier diodes intended

for use as output rectifiers in high

frequency switched mode power

supplies.

The BYV74W series is supplied in

the conventional leaded SOT429

(TO247) package.

PINNING

PIN

DESCRIPTION

1 anode 1

2 cathode

3 anode 2

tab cathode

QUICK REFERENCE DATA

VR = 300 V/ 400 V/ 500 V

VF ≤ 1.12 V

IO(AV) = 30 A

trr ≤ 60 ns

SOT429 (TO247)

1 23

LIMITING VALUES

Limiting values in accordance with the Absolute Maximum System (IEC 134).

SYMBOL PARAMETER

CONDITIONS

MIN.

VRRM

VRWM

VR

IO(AV)

IFRM

IFSM

Tstg

Tj

Peak repetitive reverse voltage

Crest working reverse voltage

Continuous reverse voltage

Tmb ≤ 136˚C

BYV74W

-

-

-

Average rectified output current square wave; δ = 0.5;

-

(both diodes conducting)1

Tmb ≤ 94 ˚C

Repetitive peak forward current t = 25 µs; δ = 0.5;

-

per diode

Tmb ≤ 94 ˚C

Non-repetitive peak forward t = 10 ms

-

current per diode.

t = 8.3 ms

-

sinusoidal; with reapplied

VRRM(max)

Storage temperature

-40

Operating junction temperature

-

-300

300

300

300

MAX.

-400

400

400

400

30

30

150

160

150

150

-500

500

500

500

UNIT

V

V

V

A

A

A

A

˚C

˚C

THERMAL RESISTANCES

SYMBOL PARAMETER

Rth j-hs

Rth j-a

Thermal resistance junction to

heatsink

Thermal resistance junction to

ambient

CONDITIONS

per diode

both diodes conducting

in free air.

MIN.

-

-

-

TYP.

-

-

45

MAX.

2.4

1.4

-

UNIT

K/W

K/W

K/W

1 Neglecting switching and reverse current losses.

April 1998

1

Rev 1.000

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