SPT02-236DDB datasheet(1/12 Pages) STMICROELECTRONICS

Part #	SPT02-236DDB

Description	Automation sensor transient and overvoltage protection

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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This is information on a product in full production.

March 2014

DocID024333 Rev2

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SPT02-236DDB

Automation sensor transient and overvoltage protection

Datasheet

− production data

Features

• Double diode array for switch protection and

reverse blocking protection

• 6 V to 36 V supply voltage range

• Minimum breakdown voltage VBR: 38 V

• 8/20 µs 2 A maximum clamping voltage: 46 V

• Blocking diode drop forward voltage VF:

1.1 V at 300 mA

• Blocking diode maximum 10 ms square pulse

current IFSM: 3 A

• Ambient temperature: -40 °C to +100 °C

• µQFN 2L 0.8 mm flat package

Complies with following standards

• Voltage surge: IEC 61000-4-5, RCC = 500 Ω,

±1 kV

• Electrostatic discharge, IEC 61000-4-2:

– ±8 kV contact discharge

– ±15 kV air discharge

• Electrical transient immunity: IEC 61000-4-4:

±2 kV

Benefits

• Compliant for interface with logic input type 1,

2 and 3 IEC 61131-2 standard

• Highly compact with integrated power solution

in SMD version

Applications

• Factory automation sensor application

• Proximity sensor interface protection

• Transient and surge voltage protection

• Compliant with sensor standard, EN 60947-5-2

Description

The SPT02 is specifically designed for the

protection of 24 V proximity sensors. It

implements the reverse polarity and the

overvoltage protection of the sensor power supply

and the power switch overvoltage protection.

It provides a very compact and flexible solution.

Thanks to high performance ST technology, the

SPT02 protects the proximity sensor to the

highest level compliant with IEC 61000-4-2, IEC

61000-4-4 and IEC 61000-4-5 standards.

Figure 1. Functional diagram (top view)

Figure 2. Bottom view

µQFN-2L

SPT02-236DDB

D1

D2

K

A1

A2

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