G3VM-81GR(TR)

Series:	G3VM
Packaging:	Tape & Reel (TR)
Part Status:	Active
Mounting Type:	Surface Mount
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, DC
Voltage - Input:	1.15VDC
Voltage - Load:	0V ~ 80V
Load Current:	40mA
On-State Resistance (Max):	25 Ohms
Termination Style:	Gull Wing
Package / Case:	4-SOP (0.173", 4.40mm)
Supplier Device Package:	4-SOP

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Introduction To Solid State Relays

Solid state relays (SSRs) are electrical relays that utilize solid-state components (e.g., transistors, thyristors, MOSFETs, etc.) to replace mechanical contactors and switches in an electrical circuit for controlling power or signal switching. SSRs are an attractive alternative form of control due to their reliability, small size, durability, low cost, and immunity to shock and vibration. This makes them ideal for use in a wide variety of applications, including industrial, residential, medical, and automotive.The G3VM-81GR (TR) is a single-phase, zero-crossing, solid-state relay (SSR) designed for switching AC loads. It is a high-powered, high-reliability product offering superior performance backed by a long-term warranty and useful features like auto-restart and brown-out protection.

Applications Of The G3VM-81GR (TR)

The G3VM-81GR (TR) is a high-performance, cost-effective SSR that can be used in a variety of applications. It can be used in on/off control of loads such as heating elements, motor loads, or lighting circuits. It is also suitable for controlling solenoid valves, pumps, or other loads requiring on/off switching with high power requirements. Furthermore, the G3VM-81GR (TR) is compatible with the following voltage ranges: 80 to 480 VAC or 24 to 480 VDC.

Features Of The G3VM 81GR (TR)

The G3VM 81GR (TR) offers a range of features that make it appealing to end-users. It is RoHS compliant, offers a wide operating temperature range of -40 to 85 degrees Celsius, and supports up to 20 A, with dedicated control signal terminals for easy installation and wiring. It also offers 5 Kiloohms impedance or snubberless control for superior performance in noise-sensitive applications like medical equipment. Finally, the G3VM 81GR (TR) is protected against short-circuits, reverse-polarity, and over-temperature, ensuring reliable, long-term operation in any application.

Working Principle Of The G3VM 81GR (TR)

The G3VM 81GR (TR) is a zero-crossing type SSR that utilizes SCR technology to switch AC loads. As its name suggests, a zero-crossing type SSR will turn ON or OFF when the AC voltage waveform crosses the zero-volt line. This ensures the zero-crossing point is optimized for both the load and the power source, reducing the amount of electromagnetic interference (EMI) and radio frequency interference (RFI) generated. The timing accuracy for turn-ON and turn-OFF can be adjusted via internal resistor configurations on the G3VM 81GR (TR).In addition to its zero-crossing feature, the G3VM 81GR (TR) also has a wide operating voltage range. This allows it to switch loads over an extended range of input voltage, allowing the SSR to function with low power sources. Furthermore, the output of the G3VM 81GR (TR) is optically isolated from the input, providing further protection against electrical interference.

Conclusion

The G3VM-81GR (TR) is a high-performance, solid-state relay ideal for controlling AC loads. It is an affordable, durable, and reliable SSR for a variety of applications such as industrial, residential, medical, and automotive. It offers a range of features such as auto-restart, brown-out protection, wide operating temperature range, and 5 Kiloohms impedance, as well as low-power and optically-isolated outputs. Lastly, its zero-crossing switching technology ensures superior performance with low EMI/RFI, making it an ideal solution for audio and video applications requiring low interference.

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