ER421 - Relays

Datasheet Summary

Description

The magnetic-latching TO-5 relay, originally conceived and developed by Teledyne, has become one of the industry standards for low-level switching from dry circuit to 0.5 ampere.

Features

and manufacturing techniques provide excellent resistance to environmental extremes and overall high reliability:.
All welded construction.
Unique uni-frame design providing high magnetic efficiency and mechanical rigidity.
High force/mass ratios for resistance to shock and vibration.
Advanced cleaning techniques provide maximum assurance of internal cleanliness.
Precious metal alloy contacts material with gold plating assures excellent high curre.

Teledyne

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Datasheet Details

Part number	ER421
Manufacturer	Teledyne
File Size	287.13 KB
Description	Relays
Datasheet	ER421 Datasheet
Additional preview pages of the ER421 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com SERIES MAGNETIC-LATCHING ESTABLISHED RELIABILITY TO-5 RELAYS SPDT SERIES DESIGNATION 421 421D 421DD SPDT basic relay SPDT relay with internal diode for coil transient suppression SPDT relay with internal diodes for coil transient suppression and polarity reversal protection RELAY TYPE 421 DESCRIPTION The magnetic-latching TO-5 relay, originally conceived and developed by Teledyne, has become one of the industry standards for low-level switching from dry circuit to 0.5 ampere. Designed for high-density PC board mounting, its small size and low coil power dissipation make the 421 relay one of the most versatile ultraminiature relays available.

Published: Feb 21, 2009 |