• Galvanic isolator / loop-powered / current

SEM1020

Article: 00124443

Galvanic isolator / loop-powered / current

Provides Extra Drive Capability From An Existing Current Loop
Only Requires 2.7 V From the Existing Loop
Galvanic Isolation
High Accuracy
The SEM1020 is a loop isolator designed to provide extra drive capability from an existing current loop. It requires power supply connections on both the input and output terminals.

If true isolation is to be maintained, the two power supplies used must be fully isolated from each other. The input circuitry only drops 2.7 V from the existing current loop and providing a 24 V isolated power supply is used on the output side, the isolator will drive up to 900 ohms.

The most common use for the SEM1020 is to provide extra drive capabilities from an existing (4 to 20) mA current loop.

Specifications

  • Type: galvanic
  • Electrical characteristics: current, loop-powered

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