Philips Semiconductors

Product specification

Rectifier diodes

PBYR2545CTF, PBYR2545CTX

Schottky barrier

FEATURES

SYMBOL

QUICK REFERENCE DATA

• Low forward volt drop

• Fast switching

V

• Reverse surge capability

• High thermal cycling performance

I

• Isolated mounting tab

V

GENERAL DESCRIPTION

Dual, common cathode schottky rectifier diodes in a plastic envelope with electrically isolated mounting tab. Intended

for use as output rectifiers in low voltage, high frequency switched mode power supplies.

The PBYR2545CTF is supplied in the SOT186 package.

The PBYR2545CTX is supplied in the SOT186A package.

PINNING

SOT186

SOT186A

PIN

DESCRIPTION

1

anode 1 (a)

2

cathode (k)

3

anode 2 (a)

tab

isolated

LIMITING VALUES

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

SYMBOL PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

PBYR25

40CTF

45CTF

PBYR25

40CTX

45CTX

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

O(AV)

Average rectified output

square wave;

δ = 0.5;

-

20

A

current (both diodes

T

conducting)

I

FRM

Repetitive peak forward

square wave;

δ = 0.5;

-

20

A

current per diode

T

I

FSM

Non-repetitive peak forward

t = 10 ms

-

135

A

current per diode

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 per diode

limited by T

j max

T

j

Operating junction

-

150

˚C

temperature

T

stg

Storage temperature

- 65

175

˚C

k

a1

a2

13

2

12 3

case

12 3

case

October 1998

1

Rev 1.300