1997 Dec 01

2

Philips Semiconductors

Product specification

9-fold ESD transient voltage suppressor

BZA109

FEATURES

• ESD rating >8 kV, according to

IEC1000-4-2

• SOT163-1 surface mount package

• Common anode configuration

• Non-clamping range 0.5 to 6.8 V

• Maximum non-repetitive peak

reverse power dissipation: 25 W

• Maximum clamping voltage at peak

APPLICATIONS

• For 9-bit wide undershoot/

overshoot clamping and fast ESD

transient suppression in:

– Computers and peripherals

– Audio and video equipment

– Business machines

– Communication systems

– Medical equipment.

DESCRIPTION

9-fold monolithic transient voltage

suppressor in an SO20; SOT163-1

surface mount package. The device is

ideal in situations where board space

is a premium.

PINNING

PIN

DESCRIPTION

1 to 5

input (IN1 to IN5)

6 and 15

common anode (GND)

7 to 10

input (IN6 to IN9)

11 to 14

output (OUT9 to OUT6)

16 to 20

output (OUT5 to OUT1)

Fig.1 Pin configuration for SO20 (SOT163-1) and symbol.

handbook, 4 columns

SO20

MBK268

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

19

18

17

16

15

14

13

12

11

20

2

3

4

5

6

7

8

9

10

1

OUT1

IN1

OUT2

IN2

OUT3

IN3

OUT4

IN4

OUT5

IN5

GND

GND

OUT6

IN6

OUT7

IN7

OUT8

IN8

OUT9

IN9

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

Notes

1. Current is flowing from input to corresponding output.

2. One or more diodes loaded.

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

Per diode

working current

−

20

mA

continuous forward current

−

100

mA

feed-through current

−

100

mA

non-repetitive peak forward current

−

4.5

A

non-repetitive peak reverse current

−

2.5

A

total power dissipation

−

1.25

W

non-repetitive peak reverse power

dissipation

−

25

W

storage temperature

−65

+150

°C

operating junction temperature

−65

+150

°C