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Toshiba TLP3440S Photorelay

Toshiba TLP3440S Photorelay features a low output capacitance of 0.45pF. The photorelay consists of a photo MOSFET optically coupled to an infrared LED. The TLP3440S photorelay offers 120mA ON-state current and 11Ω (typical) ON-state resistance. This photorelay is available in an S-VSON4T package and offers low COFF and RON (CR). The TLP3440S photorelay is suitable for high-frequency signal applications, measuring instruments, high-speed logic IC testers, high-speed memory testers, and Automatic Test Equipment (ATE). 

Features

  • Normally opened (1-Form-A)
  • 40V (minimum) OFF-state output terminal voltage 
  • 3mA (maximum) trigger LED current
  • 120mA (maximum) ON-state current
  • 11Ω (typical) ON-state resistance
  • 0.45pF (typical) output capacitance
  • 500VRMS (minimum) isolation voltage

Applications

  • Measuring instruments
  • High-speed logic IC testers
  • High-speed memory testers
  • ATE

Circuit Diagram

Toshiba TLP3440S Photorelay

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Published: 2018-04-16 | Updated: 2023-02-09