LH1518 Series Solid State Relays

LH1518 Series Solid State Relays

Vishay's LH1518 solid state relays (SSRs) are miniature, optically coupled relays with high-voltage MOSFET outputs capable of switching AC or DC loads from as little as nanovolts to hundreds of volts. The relays can switch currents in the range of nanoamps to hundreds of milliamps. The MOSFET switches are ideal for small signal switching, primarily suited for DC or audio frequency applications.

The LH1518 relays feature a monolithic output die that minimizes wire bonds and permits easy integration of high-performance circuits such as current limiting in normally-open switches. The output die integrates the photodiode receptor array, turn-on and turn-off control circuitry, and the MOSFET switches. The optically-coupled input is controlled by a highly efficient GaAlAs infrared LED.

Features
  • Current limit protection
  • High-reliability monolithic detector
  • Low power consumption
  • Clean, bounce-free switching
  • High surge capability
  • Surface mountable
  • Compliant to RoHS Directive 2002/95/EC and in accordance to WEEE 2002/96/EC
  • Isolation test voltage 5300 VRMS
Applications
  • General telecom switching
  • Instrumentation
  • Industrial controls

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