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LT243 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LT243 product

LT243

SCR Output

Solid State RelaySOP-4Optically Coupled

The LT243 is a miniature 1-Form A solid-state relay (SSR) utilizing optically coupled MOSFET technology, designed for high-reliability switching in compact applications.

Best for

  • Telecommunications
  • Industrial control
  • Measuring and testing equipment

Avoid if

  • Applications requiring load currents exceeding 120mA or voltages above 60V.

Check before use

  • Thermal environment and PCB layout for SOP-4 footprint.

Key specifications

Contact Form
1 Form A (SPST-NO)
Load Voltage
60 V
Load Current
120 mA

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Industrial ControlTelecommunications

Datasheet

4dcf811d4df741b80717a1b8536416a6_2103291806_Letex-LT243_C2691610.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LT243: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The LT243 is a 4-pin SOP solid-state relay (SSR) from Letex, featuring a 1-Form A (SPST-NO) contact configuration and 1500Vrms input-to-output isolation.