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Teledyne Relays MCR Metal Cover Shielded Reed Relays

Teledyne MCR Metal Cover Shielded Reed Relays provide both the consistency and reliability of a sealed reed switch with the convenience of an integrated coil inside a metal cover package. Rhodium switch contacts are hermetically sealed in glass, mounted on an integral lead frame, then sealed in a metal cover with magnetic shielding to minimize magnetic interference with other relays or other components on the PCB. The metal package with terminal pins allows these relays to be soldered directly into a PCB or inserted into sockets for convenient replacement. These MCR relays are available in multiple contact forms, with several coil voltages and with or without an internal suppression diode.

Features

  • MCR1 and MCR2
    • Hermetically sealed Rhodium contacts
    • Magnet shield and/or electrostatic shield
    • Metal cover with terminal pins
    • 1A, 1B, and 1C contact forms
    • Multiple coil voltages with integrated diode option
    • Long life
  • MCR3 and MCR4
    • Hermetically sealed Rhodium contacts
    • Magnet shield
    • Metal cover with terminal pins
    • 1 Form A contacts
    • Long Life
  • RoHS complaint

Applications

  • Automated test equipment
  • Remote sensing/measurement
  • Telecommunications
  • Security/access control
  • Industrial control systems

Specifications

  • Coil characteristics
    • Coil voltage
      • 4VDC to 24VDC nominal
      • 8VDC to 50VDC maximum
    • 250Ω to 7845Ω ±10% coil resistance at +20°C
    • 2.8VDC to 17.6VDC maximum operating voltage
    • 0.4VDC to 4.8VDC minimum release voltage
  • Contact characteristics
    • Rhodium contact material
    • 100V or 250V switching voltage
    • 0.25A to 3A switching current
    • 1A or 5A carry current
    • 3W to 100W contact rating
    • 0.05Ω to 0.25Ω maximum contact resistance
  • 109 minimum mechanical life operations
  • Relay characteristics
    • 109Ω minimum insulation resistance
    • Dielectric strengths
      • 150V to 500V between contacts
      • 500V coil to contact
      • 500V case to contact
      • 500V case to coil
    • 1ms to 2.5ms typical operate time, bounces included
    • 0.1ms to 2ms typical release time, without diode
  • Environmental characteristics
    • Temperature ranges
      • -40°C to +85°C operating
      • -40°C to +100°C storage
    • 800Hz to 4000Hz resonance frequency

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Teledyne Relays MCR Metal Cover Shielded Reed Relays