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Nidec Copal SMR/SMRR Rotary Coded Switch

Nidec Copal SMR/SMRR Rotary Coded Switch

In the design of modern PCB assemblies, reliability and space efficiency are non-negotiable. The SMR and SMRR series address these needs by offering a subminiature rotary coded mechanism that delivers accurate BCD or Hexadecimal outputs. Each switch is engineered with a high-pressure contact system that ensures signal integrity and prevents data errors caused by external vibrations or environmental factors.

What sets the Nidec Copal SMR/SMRR Rotary Coded Switch apart is its exceptional manufacturing versatility. The SMRR version is specifically optimized for surface-mount technology (SMT), while the SMR serves traditional through-hole requirements. Both versions are constructed using high-grade, heat-resistant PPS resin to survive the intense thermal profiles of reflow and wave soldering. Additionally, the washable design allows for the safe removal of flux residues, ensuring the switch maintains its smooth tactile response and electrical precision over a mechanical life of 10,000 steps.

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Description

The Nidec Copal SMR/SMRR Rotary Coded Switch is a high-performance subminiature switching solution designed for precise circuit configuration in space-constrained electronic environments. Available in both through-hole (SMR) and surface-mount (SMRR) types, these switches provide an ultra-compact interface for binary or hexadecimal code selection.

The Nidec Copal SMR/SMRR series consists of ultra-miniature, process-sealed rotary coded DIP switches. These are designed for high-density mounting on PCBs where space and reliability are critical, such as in industrial automation, HVAC controls, and telecommunications

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Specifications

  • Circuit Configuration: Binary Coded Decimal (BCD) / Hexadecimal
  • Number of Positions: 10 positions / 16 positions
  • Contact Rating (Non-switching): 100mA, 50V DC
  • Contact Rating (Switching): 100mA, 5V DC
  • Contact Resistance: 100 mΩ maximum
  • Insulation Resistance: 1,000 MΩ minimum (100V DC)Dielectric Strength: 250V AC, 1 minute
  • Setting Torque: 20 mN·m maximum
  • Mechanical Life: 10,000 steps

Features

  • Switching rating: 30 mA at 15 VDC
  • Miniature size (7.5 mm sq.) designed for high density mount
  • Process sealed
  • Gold plated contacts
  • Clearly visible legends and position indicator
  • In this series, material data sheets ideal for REACH-SVHC

Applications

  • Industrial Automation: Setting unique device addresses in PLC modules and distributed I/O systems.
  • Telecommunications: Hardware configuration and mode selection for routers and base stations.
  • Medical Electronics: Precise internal setting selection for portable diagnostics and monitoring tools.
  • Security Infrastructure: Address coding for smart sensors, control panels, and alarm systems.
  • Test and Measurement: Function and range selection for laboratory-grade metrology instruments.

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