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Standex Detect is the new name for our precision reed switches, sensors, and relays business.

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SIL Series Reed Relay

The SIL Series is a general-purpose, instrumentation-grade reed relay designed for compact, high-density PCB layouts. Housed in a rugged thermoset overmolded single-in-line (SIL) package, it occupies 50% less PCB area than traditional DIP and DIL formats, making it ideal for space-constrained designs in test and measurement, telecommunications, and security systems.

Available in SPST-NO (Form 1A), SPST-NC (Form 1B), and SPDT (Form 1C) contact configurations, the SIL Series supports coil voltages from 3 VDC to 24 VDC, with coil resistance ranging from 80 to 2,000 Ω. It is rated for up to 50 W, 500 VDC, and 2 A, and offers optional diode protection, magnetic shielding, and high dielectric strength up to 4 kVDC. UL approval ensures compliance with global safety standards.

  • Compact SIL package with thermoset overmolding
  • 50% smaller footprint than DIP/DIL relay formats
  • Dielectric strength up to 4 kVDC
  • Optional diode protection for coil suppression
  • Optional magnetic shielding for improved isolation
  • UL Certificate of Compliance for safety assurance
  • Through-hole (THT) mounting for secure PCB integration
  • Typical Applications
Coil Voltage (VDC)3, 5, 12, 15, 24
Coil Resistance (Ω)80-2000
Contact Form1A (SPST) Normally Open (N.O.), 1B (SPST) Normally Closed (N.C.), 1C (SPDT) Changeover
Rated Power Max.50W/500VDC/2A
  • Test & Measurement (ATE): Reliable switching in precision instruments
  • Telecommunications: Signal routing in compact network modules
  • Security Systems: Relay control in alarm and access systems
  • Industrial Electronics: General-purpose switching in embedded designs
  • Medical Devices: Compact relay integration in diagnostic equipment

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