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ER421DD Key Features

  • 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 current and dry circuit switching capabi

Related Teledyne Technologies Datasheets

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ER421DD Description

The magnetic-latching TO-5 relay, originally conceived and developed by Teledyne, has bee 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. The following unique construction.