Coto Technology

Coto Technology, Inc. originated in Providence, Rhode Island, USA in 1917 as Coto Coil Incorporated – a company specialising in the design and manufacture of coil windings. During the mid-1960’s, Coto expanded its product line by introducing the reed relay – the result of integrating reed switches into coil windings.


Today, Coto is a worldwide market leader of small signal switching products sold into the Automatic Test Equipment, Data Acquisition, Instrumentation, Process Control, Telecommunications, Medical and Security markets. Coto specialises in the manufacture of relay, switch and sensor products.

TMR Magnetic Sensors and Switches

Using proven TMR (Tunneling Magnetoresistance) technology, the TMR Magnetic Sensor devices offer the lowest power consumption, highest sensitivity, ultra-miniature package size, and short lead times at a highly-competitive price.

Classic™ Molded Reed Switches

Coto Classic™ Molded Switches are single-pole, single throw (SPST) with normally open ruthenium contacts. It comes in 2 main series CT05 and CT10.

Classic™ Reed Relays

The Coto Classic™ Reed Relays are capable of carrying up to six amps, and can provide switching currents up to four amps along with 10-15 KV switching suitable for a multitude of applications. All relays are qualified to the highest electrical test specifications.

CotoMOS® MOSFET Relays

Using highly-reliable, custom designed and Mosfet technology, CotoMos® Mosfet Relays are reliable switching solutions for applications requiring low input power and virtually unlimited life.



USD United States (US) dollar