9300-9400 Series/Surface Mount Reed Relays

Ideally suited to the needs of Automated Test Equipment, Instrumentation and Telecommunications requirements, Coto’s 9300 and 9400 Series specification tables allow you to select the appropriate relay for your particular application. If your requirements differ, please consult your local representative or Coto’s Factory to discuss a custom design.   Download Datasheet

9300-9400 Series Features

  • High Insulation Resistance - 1012Ω minimum (1013Ω Typical)
  • High reliability, hermetically sealed contacts for long life
  • Molded thermoset body on integral lead frame design
  • High speed switching compared to electromechanical relays
  • Tape & Reel available
  • UL File #E67117 - Contact factory for details
  • RoHS compliant
9300 Series:
  • Load switching (15 Watts) and high dielectric strength (500 VDC) between contacts
  • Proven Reliable to switch telephone loads (48V, 100mA)
9400 Series:
  • Small surface mount package (0.225” x 0.550”)
  • Low capacitance (Contact to Shield - 1.1 pF typical)
  • Coaxial shield for 50 Ω impedance. Excellent for RF and Fast Rise Time Pulse switching (up to 2.0 GHz)


In Inches (Millimeters)
  • 9300-9400 mechanicals
  • 9300-9400 mechanicals


Top View:
Dot stamped on top of relay refers to pin #1 location

  • 9300-9400 schematic
  • 9300-9400 schematic
  • 9300-9400 schematic

1Consult factory for life expectancy at other switching loads.
2Surface mount component processing temperature: 500°F / 260°C max for 1 minute dwell time. Temperature measured on leads where lead exits molded package.
3Higher dielectric strength available, consult factory.

Storage Temp: -35°C to +100°C; Operating Temp: -20°C to +85°C
All electrical parameters measured at 25°C unless otherwise specified.
Vibration: 20 G’s to 2000 Hz; Shock: 50 G’s

9300-9400 order info

For RF Graph Performance, see “RF Graphs” section of the “Reed Relay Technical & Application Information

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