Omron MOSFET Relays

General:

Current trends towards equipment downsizing, energy efficiency and faster operation present system designers and manufacturers with tremendous challenges. At the same time, durability and safety standards continue to rise. The Omron G3VM range of MOSFET relays includes more than 200 models, offering you the flexibility you need to match your most demanding customers, designs and manufacturing processes

 Omron’s G3VM MOSFET relays are a world-leading benchmark in the solid state relay market. Manufactured using the latest advances in automated production, they include a variety of improved construction technologies within the areas of the input LED, PDA and MOSFET chips used in the load switching circuit. These innovations have helped us to achieve further reductions in package sizes and power requirements and provide components with best-in-class specifications.


New product section

Latest product release: G3VM-21MT The world’s first MOSFET relay module with T-type circuit structure. By utilizing OMRON's technologies of electronic components cultivated over many years, we succeeded in commercializing the relay module product by adopting the "T-type circuit structure" and significantly reducing the leakage current lower than or equal to 1pA (one trillionth part of the ampere). The challenge in reducing the leakage current in a solid state relay as close to zero as possible eliminates the leakage current problem and improves test equipment reliability. Moreover, by integrating long life MOSFET relays into the relay module, it allows for shorter downtime for maintenance which have been a long-standing challenge for mechanical relays. 

Ultra-small size and weight

Our SSOP, USOP and new VSON packages are more than 60% smaller than standard electromechanical or reed relays. This makes them ideal for small-profile applications or those where bottom surface space is limited. Our SSOP package is only 2mm wide, 4.2mm long and 1.8mm high, allowing designers to reduce overall equipment and instrumentation size. That gives them the freedom to pack more features and components into the same amount of space.

Low drive current

MOSFET relays also require less power. Low driving current enables significant energy savings. Standard driving current in circuits with MOSFET relays is 3mA. Omron’s ultrasensitive models feature driving current specifications down to 0.2mA resp. 1mA (max. value for Trigger LED forward current).

Long operating life

MOSFET relays use light signal instead of moveable contacts, avoiding contact wear and extending their operating life. Casting is used for all internal parts, giving excellent shock and vibration resistance. Independent tests on the G3VM LED chip – the only component that could possibly vary in performance – simulated successful operation for a total of 100,000 hours. Bearing in mind that circuit boards need to be replaced if just one reed relay fails, using Omron MOSFET relays instead is an excellent way to save time and reduce waste.

Small leakage current

Various features contribute to the advanced performance of MOSFET relays. They can often withstand external surge current without an additional snubber circuit. Under normal conditions the minimum leakage current is less than 1nA.

Excellent shock resistance

All the internal parts are manufactured using a casting method and contain no movable parts. This gives them excellent shock and vibration resistance.

Silent operation

As MOSFET relays do not have mechanical contacts, by using a MOSFET instead of an electromechanical relay, it is possible to eliminate switching noise in your applications.

High insulation

Excellent input/output isolation is accomplished by models with a high dielectric strength of 5.000Vrms. Unlike triacs, MOSFET relays ensure correct control of the micro analogue signal. Input waveform distortion is eliminated by a considerably reduced dead zone, and this leads to correct output signal.

High-speed switching

Compared with a mechanical relay’s switching time of 3 to 5ms, a MOSFET relay’s switching time is shortened to 0.2ms. This ensures quick-response performance.

Good linearity

MOSFET relays greatly reduce the dead zone when compared to the triac. The input waveform of the micro analog signal does not suffer as much distortion and the waveform is basically converted into output without significant change.


Application examples

Test and measurement – compact and precise

Omron provides a range of purpose-built products for the test and measurement industry, suitable for applications like Automated Test Equipment (ATE), semiconductor  test  boards,  oscilloscopes, data loggers and other measurement instruments. For example, they can be used for LSI functional testing in performance boards, or to switch the measurement line in display test equipment. They can also be found in spectrum analysers and various recorders.

Industrial equipment – performance and reliability

Reliable on-off signal switching is a vital requirement for power management in many industrial applications. Our general-purpose MOSFET relays combine reliable high-speed switching with high switching capacity and small size. They are ideal for programmable logic controllers, small solenoid controlled valves, motors and lamps used in robotic and other manufacturing equipment. They are also used extensively in control terminals and power supplies for factory automation.

Building automation – safe and efficient

Efficient alarm and access control systems contribute to both convenience and peace of mind for building occupants. Omron MOSFET relays come in a wide range of formats and contact configurations to suit the latest building automation systems. Offering reliability, energy efficiency and high isolation, they are essential components in security alarm systems, fire and smoke detectors and building access control systems.

Energy equipment – smart and convenient

MOSFET relays with high dielectric strength fit the requirements of this development and are increasingly in demand as components to enable switching of high voltages in small spaces in smart metering application. MOSFET relays can be found in other energy-related devices too. Their small package sizes and low power consumption are making them a preferred choice for external/internal signal control in the communication units of energy devices. Power monitoring and battery charging systems are further examples of applications that utilise the benefits of solid state technology in the energy sector.

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