Philips Semiconductors

Product specification

Rectifier diodes

PBYR745 series

Schottky barrier

FEATURES

SYMBOL

QUICK REFERENCE DATA

• Low forward volt drop

• Fast switching

V

• Reverse surge capability

• High thermal cycling performance

I

• Low thermal resistance

V

GENERAL DESCRIPTION

PINNING

SOD59 (TO220AC)

Schottky rectifier diodes in a plastic

PIN

DESCRIPTION

envelope. Intended for use as

output rectifiers in low voltage, high

1

cathode

frequency switched mode power

supplies.

2

anode

The PBYR745 series is supplied in

tab

cathode

the conventional leaded SOD59

(TO220AC) package.

LIMITING VALUES

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

SYMBOL PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

PBYR7

40

45

V

RRM

Peak repetitive reverse

-

40

45

V

voltage

V

RWM

Working peak reverse

-

40

45

V

voltage

V

R

Continuous reverse voltage

T

-

40

45

V

I

F(AV)

Average rectified forward

square wave;

δ = 0.5; T

-

7.5

A

current

I

FRM

Repetitive peak forward

square wave;

δ = 0.5; T

-

15

A

current

I

FSM

Non-repetitive peak forward

t = 10 ms

-

135

A

current

t = 8.3 ms

-

150

A

sinusoidal; T

surge; with reapplied V

RRM(max)

I

RRM

Peak repetitive reverse

pulse width and repetition rate

-

1

A

surge current

limited by T

j max

T

j

Operating junction

-

150

˚C

temperature

T

stg

Storage temperature

- 65

175

˚C

THERMAL RESISTANCES

SYMBOL PARAMETER

CONDITIONS

MIN.

TYP. MAX. UNIT

R

th j-mb

Thermal resistance junction

-

-

3

K/W

to mounting base

R

th j-a

Thermal resistance junction

in free air

-

60

-

K/W

to ambient

k

a

12

1

tab

2

November 1998

1

Rev 1.300