ITA6V5B3 datasheet(1/8 Pages) STMICROELECTRONICS

Part #	ITA6V5B3

Description	Bidirectional Transil array for data line protection

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 8 page

November 2007

Rev 2

1/8

8

ITAxxB3

Bidirectional Transil™ array for data line protection

Features

■ High surge capability Transil array:

IPP = 40 A (8/20 µs)

■ Peak pulse power: 300 W (8/20 µs)

■ Separated Input - Output

■ Up to 9 bidirectional Transil functions

■ Low clamping factor (VCL/VBR) at high current

level

■ Low leakage current

■ ESD protection up to 15 kV

Complies with the following standards

■ IEC 61000-4-2 level 4

– 15 kV (air discharge)

– 8 kV (contact discharge)

■ MIL STD 883G- Method 3015-7: class 3B

– 25 kV (human body model)

Applications

Differential data transmission lines protection,

such as :

■ RS-232

■ RS-423

■ RS-422

■ RS-485

TM: Transil is a trademark of STMicroelectronics

Description

Transil diode arrays provide high overvoltage

protection by clamping action. Their

instantaneous response to transient overvoltages

makes them particularly suited to protect voltage

sensitive devices such as MOS technology and

low voltage supplied IC’s.

The ITA series combines high surge capability

against energetic pulses with high voltage

performance against ESD.

The separated input/output configuration of the

device ensures improved protection against very

fast transient overvoltage like ESD by elimination

of the spikes induced by parasitic inductances

created by external wiring.

Figure 1.

Functional diagram

SO-20

1

2

3

4

8

7

6

5

20

19

18

17

16

15

14

13

12

11

9

10

GND

INPUT

OUTPUT

INPUT

OUTPUT

INPUT

OUTPUT

INPUT

OUTPUT

INPUT

OUTPUT

INPUT

OUTPUT

INPUT

OUTPUT

INPUT

OUTPUT

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