MOSFET relays for low-power industrial sensing challenges

November 26, 2014 // By Graham Prophet
Equipment designers dealing with tight space constraints or low-strength signals in sensing applications can apply the G3VM MOSFET relays from Omron Electronic Components Europe.

The two families added to the G3VM range are tiny VSON devices measuring 2.45 x 1.45 x 1.30 mm, and are ultra-sensitive relays that can be triggered by a signal of just 0.2mA.

Six new relays are offered in the VSON package, which has little more than half the footprint of competing USOP devices. The package features large, efficient bottom-side contacts, with edge metallisation allowing easier solder-joint inspection. Rated load voltages range from 20V in G3VM-21UR1/10/11 to 100V in the G3VM-101UR. 40V, 50V, 60V, 75V and 80V ratings are also available, and rated continuous load current is from 100 mA to 1A. On-resistance down to 0.18Ω helps minimise power losses, and fast switching times allow use with high-frequency signals in various test & measurement, telecom and wireless applications, as well as portable consumer devices such as cameras.

With extremely low actuation current of 0.2mA, Omron's new ultra-sensitive G3VM relays (G3VM-xxG1/G2/G3) require only around 20% of the signal strength of earlier-generation high-sensitivity devices. This suits them for use in sensing applications such as the motion detectors of security systems, as well as various industrial applications, test & measurement equipment, and energy-conscious or battery-powered devices that require extended operating lifetimes. The relays are packaged as SOP-4 devices, and offer a wide range of load voltages from 60V to 600V with rated continuous load current from 70mA to 400mA.

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 sensors for pressure, flow and thermal measurement applications as well as vibration and tilt sensors

Omron Electronic Components Europe