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Home Products Reed Switches ORD221 Series Reed Switch

The ORD221 Series is a miniature, normally open reed switch designed for medium-load switching applications. With a glass body length of 13.0 mm and diameter of 2.3 mm, it offers a compact footprint suitable for space-constrained designs while maintaining reliable performance.

Rated for up to 10 W, 100 VDC, and 0.3 A, the ORD221 is hermetically sealed in inert gas to ensure long-term contact stability. Its offset lead design supports flexible mounting options, and its pull-in range of 10–30 AT allows for adaptable magnetic sensitivity across various applications.

This series is ideal for general-purpose switching in consumer electronics, automotive systems, and industrial devices where compact size and dependable operation are essential.

  • SPST-NO (Form A) contact configuration for simple magnetic switching
  • Compact glass body (13 mm length, 2.3 mm diameter) for tight design spaces
  • Hermetically sealed for enhanced durability and environmental resistance
  • Offset lead design for flexible mounting and PCB layout
  • Rated for 10 W / 100 VDC / 0.3 A for medium-load applications
  • Wide pull-in range (10–30 AT) for magnetic sensitivity tuning
  • Supports automated assembly with tape-and-reel packaging options
  • Available in multiple sensitivity ranges for design flexibility
Overall Length mm (inches)44.2 (1.740)
Glass Length Max. mm (inches)13.0 (0.512)
Glass Dia. Max. mm (inches)2.30 (0.090)
Lead Dia. mm (inches)0.35 (0.014) x 0.6 (0.024)
Contact Form1A (SPST) Normally Open (N.O.)
Pull-In Range10-30 AT
Rated Power Max.10W/100VDC/0.3 Amp DC
  • Consumer Electronics: Power switching, sensor triggering, compact control circuits
  • Automotive Systems: Position sensing, fluid level detection, switch feedback
  • Industrial Equipment: Relay triggering, proximity sensing, control logic
  • Home Appliances: Door sensors, water level detection, safety interlocks
  • Telecommunications: Signal routing, line switching
  • Measurement Devices: Sensor activation, data acquisition systems

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