LH1550AAB1, LH1550AAB1TR, LH1550AT1 product information

1 Form A High-Voltage Solid-State Relay

 LH1550AAB1, LH1550AAB1TR, LH1550AT1 Datasheet


  • Current limit protection
  • Isolation test voltage 5300 VRMS
  • Typical RON 28 Ω

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3D Models (*.zip)
3D Models - DIP6-OP7
3D Models - DIP6-TH
Agency Certificates
BSI Certificate 7979 - Optocoupler
BSI Certificate 7980 - Optocoupler
VDE Certificate 112777 - Optocoupler
Application Notes
Application Note 56 - Solid-State Relays
Application Note 57 - Solid-State Relays Overvoltage Protection
Application Note 58 - Solid-State Relays Current Limit Performance
Application Note 59 - Solid-State Relays Input Resistor Selection
Application Note 61 - Solid-State Relay Parallel and DC Operation
Application Note 66 - Solid-State Relays Modem Line Interface Solutions
Application Note 67 - Stacking Our Solid-State Relays for Higher Switching Voltages
Application Note 69 - Solid-State Relay Metallic On-State Surge Performance
Frequently Asked Questions - Solid-State Relays Frequently Asked Questions (FAQs)
General Information
General Information - General Information for SSRs
Part Number Coding - Part Number Coding
Packaging Information
Packaging and Shipping - Packaging and Shipping
Pad Guidelines
Footprint and Schematic Information - Footprint and Schematic Information for LH1550AAB1, LH1550AAB1TR, LH1550AT1
Product Literature
Selector Guide - Solid State Relays Selector Guide
Product Support
Technical Questions
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