Philips Semiconductors

Product specification

Rectifier diodes

BY249 series

general purpose

FEATURES

SYMBOL

QUICK REFERENCE DATA

• Low forward volt drop

V

• High thermal cycling performance

• Low thermal resistance

V

I

I

GENERAL DESCRIPTION

PINNING

SOD59 (TO220AC)

Glass-passivated double diffused

PIN

DESCRIPTION

rectifier diodes. The devices are

intended for low frequency power

1

cathode

rectifier applications.

2

anode

The BY249 series is supplied in the

conventional

leaded

SOD59

tab

cathode

(TO220AC) package.

LIMITING VALUES

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

SYMBOL PARAMETER

CONDITIONS

MIN.

MAX.UNIT

UNIT

BY249

-300

-600

-800

V

RSM

Peak non-repetitive reverse

-

300

600

800

V

voltage

V

RRM

Peak repetitive reverse

-

300

600

800

V

voltage

V

RWM

Crest working reverse voltage

-

200

500

700

V

V

R

Continuous reverse voltage

-

200

500

700

V

I

F(AV)

Average forward current

1

sinusoidal; a = 1.57; T

-

7

A

I

F(RMS)

RMS forward current

-

11

A

I

FRM

Peak repetitive forward

sinusoidal; a = 1.57;

-

60

A

current

I

FSM

Peak non-repetitive forward

t = 10 ms

-

60

A

current.

t = 8.3 ms

-

66

A

sinusoidal; T

surge; with reapplied V

RWM(max)

I

t = 10 ms

-

18

A

T

stg

Storage temperature

-40

150

˚C

T

j

Operating junction

-

150

˚C

temperature

k

a

12

1

tab

2

1 Neglecting switching and reverse current losses.

September 1998

1

Rev 1.300