1999 May 21

2

Philips Semiconductors

Product specification

General purpose controlled avalanche

(double) diodes

BAS29; BAS31; BAS35

FEATURES

• Small plastic SMD package

• Switching speed: max. 50 ns

• General application

• Continuous reverse voltage:

max. 90 V

• Repetitive peak reverse voltage:

max. 110 V

• Repetitive peak forward current:

max. 600 mA

• Repetitive peak reverse current:

max. 600 mA.

APPLICATIONS

• General purpose switching in e.g.

surface mounted circuits.

DESCRIPTION

General purpose switching diodes

fabricated in planar technology, and

encapsulated in small rectangular

plastic SMD SOT23 packages.

The BAS29 consists of a single diode.

The BAS31 has two diodes in series.

The BAS35 has two diodes with a

common anode.

MARKING

TYPE NUMBER

MARKING

CODE

BAS29

L20

BAS31

L21

BAS35

L22

PINNING

PIN

DESCRIPTION

BAS29

BAS31

BAS35

1

anode

anode

cathode (k1)

2

not connected

cathode

cathode (k2)

3

cathode

common connection

common anode

Fig.1 Simplified outline (SOT23) and symbols.

handbook, halfpage

21

3

a. Simplified outline.

c. BAS31 diode.

b. BAS29 diode.

d. BAS35 diode.

MAM233

1

2

3

1

2

3

1

2

n.c.

3