Omron MOSFET Relay Minimises Leakage for Maximum Test Accuracy

The Omron G3VM-21MT MOSFET Relay Module combines the advantages of mechanical and MOSFET relay technology to provide the ultimate test switching solution

The G3VM-21MT combines the advantages of mechanical and MOSFET relay technology to provide the ultimate test switching solution

Hoofddorp, Netherlands, Monday, 24 February 2020 – In a world first for semiconductor and other test equipment, Omron Electronic Components Europe has created a MOSFET relay module that minimized leakage current.

With a unique T- circuit structure, the Omron G3VM-21MT offers an exceptionally low leakage current of just 1pA (pico-Amp) or less, giving accurate measurements in all types of test equipment. Mechanical relays have previously been preferred in the semiconductor and other test equipment, in part due to their low leakage current. However, mechanical relays have a much lower lifespan due to abrasion of contacts which reduces measurement accuracy over time. In intensive use, frequent replacement may be necessary pushing up the maintenance costs.

With a ‘T-Type Circuit structure’ that sends most leakage current to ground, the G3VM-21MT effectively combines the advantages of the mechanical and MOSFET relays to provide an accurate, compact and long-lasting switching solution with no mechanical contacts. The compact size of 5mm x 3.75 mm x 2.7mm is achieved by the incorporation of the T-circuit into the module. The device is surface mounted and is offered in SPST with no configuration required. It features an impressive maximum load voltage of 20V and its isolation performance is less than -30dB at 1 GHz.

Omron is planning further T-circuit MOSFET relay modules, including a high current and high voltage model.


About Omron

Omron Electronic Components Europe is a leader in electromechanical PCB relays, as well as a leading supplier of components such as micro switches, MOSFET relays, DIP switches, photomicrosensors and connectors. Omron has a strong portfolio of innovative technologies including MEMS based pressure, flow and thermal measurement sensors, human face and gesture recognition modules, vibration and tilt sensors.

Omron Electronic Components Europe strongly supports its customers in Western and Eastern Europe, Russia and the CIS through 8 regional offices, a network of local offices and partnerships with specialist, local, regional and global distributors.

Omron Electronic Components Europe is a subsidiary of the Omron Corporation, recognised worldwide as a leader of high quality, high technology electrical and electronic control equipment and component products.


Please send reader enquiries to:

Marketing Support Group
Omron Electronics Components B.V.
Wegalaan 57, 2132 JD, Hoofddorp, The Netherlands
Tel: +31 235 681 296, Fax: +31 235 681 222

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