G3VM-61DR(TR)#S

Overview

The G3VM-61DR(TR)#S is a compact solid-state relay (SSR) developed for high-performance switching in demanding environments. Unlike electromechanical relays, it uses MOSFET technology for silent, spark-free operation, making it suitable for noise-sensitive applications. Its low control current and high isolation voltage (typically 5,000V) ensure safety and efficiency in industrial and medical systems. Designed by Omron, a leader in automation components, this SSR is part of the G3VM series, renowned for reliability in high-frequency switching. Its surface-mount (SMD) package saves space on PCBs, while the TR suffix indicates tape-and-reel packaging for automated assembly.

Structure and Working Principle

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The relay comprises an input LED (for control signal isolation) and a MOSFET output stage. When a small DC voltage activates the LED, the emitted light triggers the photosensitive MOSFET, allowing current flow between output terminals. This optocoupler-based design eliminates mechanical wear, enabling over 100 million operations. The G3VM-61DR(TR)#S supports a load voltage of 60V and current up to 500mA, with a switching time under 1ms. Its bidirectional output (zero-crossing function optional) minimizes inrush currents, protecting sensitive loads like sensors or PLCs.

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Key Features

1. **High-Speed Switching**: Sub-millisecond response time suits automation and communication systems. 2. **Low Power Consumption**: Control current as low as 5mA reduces energy costs. 3. **Long Lifespan**: No moving parts ensure durability in high-cycle applications. 4. **Compact SMD Design**: 6.2mm × 4.4mm footprint ideal for space-constrained PCBs. Additional advantages include resistance to shock/vibration and compatibility with RoHS and REACH environmental standards.

Application Areas

1. **Industrial Automation**: PLC I/O modules, robotic control systems. 2. **Telecom Equipment**: Signal routing in base stations and networking hardware. 3. **Medical Devices**: Isolation in patient-monitoring systems. 4. **Test & Measurement**: Precision switching in lab instruments. Its ability to handle low-level signals makes it popular in semiconductor testing and audio equipment, where signal integrity is critical.

Maintenance and Precautions

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While SSRs require minimal maintenance, ensure proper heat dissipation via PCB copper area or heatsinks if operating near max ratings. Avoid inductive load spikes without protective diodes. Storage conditions should adhere to -40°C to +85°C, 5-85% RH (non-condensing). For troubleshooting, check input polarity and verify load compatibility. Unlike mechanical relays, failed SSRs often show no visible damage—use a multimeter to test output resistance.

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B2B Procurement Guide

1. **Volume Discounts**: Prices drop significantly for orders exceeding 1,000 units. 2. **Lead Time**: Typically 6-8 weeks; confirm stock with authorized distributors like Digi-Key or Mouser. 3. **Alternatives**: Consider G3VM-61GR(TR)#S for higher load capacity (1A). 4. **Certifications**: Ensure suppliers provide traceability and MSDS documentation. For prototyping, sample kits are available via manufacturer portals. Specify tape-and-reel (TR) packaging for automated assembly lines.