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Automation sensor transient and overvoltage protection
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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.

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Errata Sheet
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Key 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

图案 资源


Technical Documentation

Product Specifications

描述 版本 大小
DS9518: Automation sensor transient and overvoltage protection
2.0 448 KB

Application Notes

描述 版本 大小
AN3318: HSP061-4NY8 high speed line protection on HDMI 1.4 link
1.1 171 KB
AN4275: IEC 61000-4-5 standard overview
1.0 383 KB

Technical Notes & Articles

描述 版本 大小
TN1173: Packing information for IPAD™, protection, rectifiers, thyristors and AC Switches
3.1 333 KB

Publications and Collaterals


描述 版本 大小
Power over Ethernet protection
1.0 392 KB

样品 & 购买

产品型号 Marketing StatusStand-off voltage (nom) DirectionalityPackagePacking TypeOrder From STUnit Price (US$)*
@ 50
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
SPT02-236DDBActive36Uni-DirectionaluQFN-2LTape And Reel-.54Distributor reported inventory date: 2015-11-27
Distributor NameRegionStockMin. order

(*) 建议零售价格仅用于预算,以美元为单位,每。的报价,以当地货币计算的价格,请联系您当地的 ST 销售办事处 或我们的 分销商
(**) 材料声明表格上提供st.com可以是一般的文件,根据最常用的包,包内的家庭。出于这个原因,他们可能不是100%准确,对于一个特定的设备。请联系我们 销售支持 在特定设备上的信息。
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