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Littelfuse HE3300 Miniature Single In-Line Reed Relays

Littelfuse HE3300 Miniature Single In-Line Reed Relays come in a SIL package with a choice of normally open, normally open high voltage, or changeover contacts. The HE3300 Reed Relays offer switching up to 300VDC at 10W with 5V, 12V, and 24V coils. An external magnetic shield option is also available. Applications include security/process control systems, telecom/automatic test equipment, and instrumentation.

Features

  • Single in-line configuration allows high packing densities, minimizing space and cost
  • Lower power coil consumption than competing electromechanical devices
  • Hermetically sealed switching contact is immune to its environment
  • Transfer molded package gives maximum component protection
  • Miniature single in-line package
  • High voltage switching version available
  • Normally open and change over contact configurations available
  • External magnetic shield option
  • UL Recognized to UL 508 as an Industrial Control Switch
  • RoHS compliant

Applications

  • Security systems
  • Telecom equipment
  • Process control systems
  • Automatic test equipment
  • Instrumentation

Specifications

  • 5VDC, 12VDC, and 24VDC coil voltage options
  • 250mA or 500mA maximum switched current options
  • 1.2A or 1.5A maximum DC carry current options
  • 175VDC, 200VDC, or 300VAC/DC switching voltage options
  • 5W or 10W maximum switched power options
  • 125Ω to 2kΩ coil resistance range
  • 1.0ms to 3.0ms timing range
  • Contact forms
    • 1A SPST-NO (standard and high voltage)
    • 1C SPDT-CO
  • Dimensions (LxWxH)
    • 24.13mm x 7.00mm x 7.40mm for transfer molded body types
    • 24.90mm x 7.60mm x 7.80mm for external shield body types
  • Temperature ranges
    • -40°C to +85°C operating
    • -40°C to +105°C storage
  • 20G vibration resistance
  • 50G shock resistance

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Littelfuse Reed Relays

Offers high insulation resistance, low contact resistance, and a long contact life.

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Published: 2022-01-18 | Updated: 2022-03-11