Low Thermal EMF Reed Relays

3600 Series Low EMF Reed Relays

The 3600 Series is ideally suited to the needs of Instrumentation, Data Acquisition, and Process Control. The specification tables allow you to select the appropriate relay for your particular application. Recommended for use in Scanners, Multiplexers and Digital or Analog Multipoint Recorders. If your requirements differ from the selection options, please consult Coto’s Factory to discuss a custom reed relay.

  • Low Thermal EMF: < 5 µV through < 0.5 µV with 50 nV stability
  • 5V or 12V DC Coil
  • 2 or 3 Form A
  • Patented Low Thermal Design. U.S. Patent #4,084,142
  • Low power coils to ensure low thermal EMF
  • High Insulation Resistance - 1012Ω
  • Control/Signal isolation of 1500 VDC
  • High speed switching compared to electromechanical relays
  • High reliability, hermetically sealed contacts
  • Various Form A contacts. High Dielectric Strength
  • Epoxy coated steel shell provides magnetic shielding
  • Electrostatic shield standard for reducing capacitive coupling
  • RoHS compliant

Applications

  • Instrumentation
  • Data Acquisition
  • Process Control

Product Schematics

Top View:
Grid = .1”x.1” (2.54mm x 2.54mm)

3D Layout Models

3602

3650

3660

Product Notes

1Consult factory for life expectancy at other switching loads.
2Model 3660: Reed switch between pins #9 & #10 is not low thermal and is tied in common with the electrostatic shield.
3Model 3650: Reed switch between pins #3 & #4 is not low thermal and is not tied in common with the electrostatic shield. Pin numbers for reference only.

Environmental Ratings

Storage Temp: -35°C to +100°C; Operating Temp: -20°C to +85°C; Solder Temp: 270°C max; 10 sec. max
All electrical parameters measured at 25°C unless otherwise specified.
Vibration: 20 G’s to 2000 Hz; Shock: 50 G’s

Coto Technology