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SMA4123 - Solid State Relay

General Description

The SMA4123 is a single-pole, single-throw, normally open multipurpose solid state relay.

The circuit is composed of an infra-red LED on the input side optically coupled to a Photo Diode Array which drives back-to-back low on resistance enhancement type DMOS transistors on the output.

Key Features

  • High Load Current (2.2A MAX).
  • Low Input Control Current (1.5mA TYP).
  • Low On Resistance (160mΩ TYP).
  • High Input-to-Output Isolation (5kV option).
  • Long Life / High Reliability.
  • RoHS / Pb-Free / REACH Compliant Agency Approvals UL/C-UL: VDE: File # E90096 File # 40035191 (EN 60747-5-2) Absolute Maximum Ratings The values indicated are absolute stress ratings. Functional operation of the device is not implied at these or any conditions in ex.

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Datasheet Details

Part number SMA4123
Manufacturer Solid State Optronic
File Size 207.64 KB
Description Solid State Relay
Datasheet download datasheet SMA4123 Datasheet

Other Datasheets by Solid State Optronic

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SMA4123 1 Form A 60V / 200mΩ MOSFET Output Solid State Relay Description The SMA4123 is a single-pole, single-throw, normally open multipurpose solid state relay. The circuit is composed of an infra-red LED on the input side optically coupled to a Photo Diode Array which drives back-to-back low on resistance enhancement type DMOS transistors on the output. The SMA4123 has a low on resistance of 160mΩ (TYP) and a high continuous load current rating of up to 2.2 amps. The SMA4123 comes standard in a 4 pin SIP package. Applications • Reed Relay Replacement • Mechanical Relay Replacement • Medical Equipment • Battery Monitoring • Multiplexers • Test Equipment Schematic Diagram - LED 1 + LED 2 Features • High Load Current (2.2A MAX) • Low Input Control Current (1.