G5Q-1A4 DC5

The G5Q-1A4 DC5 relay from Omron is a compact and versatile electromagnetic relay designed for various applications in automation and control systems. Here’s a detailed description of its features and specifications:

General Overview

The G5Q-1A4 DC5 is a single-pole, normally open (SPST-NO) relay that operates on a 5V DC power supply. It is part of Omron's G5Q series, known for its reliability and efficiency in switching applications. This relay is particularly suitable for low-power control circuits, making it ideal for use in consumer electronics, industrial equipment, and automation systems.

Physical Characteristics

• Dimensions: The relay has a compact footprint, typically measuring around 20mm x 10mm x 15mm (length x width x height), allowing for easy integration into tight spaces within electronic assemblies.
• Weight: It is lightweight, generally weighing around 10 grams, which contributes to its suitability for portable devices.
• Mounting Type: The G5Q-1A4 is designed for PCB (Printed Circuit Board) mounting, featuring standard pin configurations that facilitate easy soldering and installation.

Electrical Specifications

• Coil Voltage: The relay operates at a nominal coil voltage of 5V DC, making it compatible with low-voltage control systems.
• Coil Resistance: The coil resistance is typically around 70 ohms, which allows for efficient operation with minimal power consumption.
• Contact Rating: The relay can handle a maximum switching current of 10A and a maximum switching voltage of 250V AC or 30V DC, making it suitable for a variety of load types.
• Contact Configuration: It features a single normally open contact, which closes when the relay is energized, allowing current to flow through the load.

Performance Characteristics

• Switching Speed: The G5Q-1A4 relay is designed for fast switching, with a typical operate time of around 5 milliseconds and a release time of approximately 3 milliseconds.
• Life Expectancy: The relay boasts a mechanical life of over 10 million operations and an electrical life of around 100,000 operations at rated load, ensuring long-term reliability in demanding applications.
• Insulation Resistance: It offers high insulation resistance, typically greater than 1000 MΩ at 500V DC, which helps prevent unintended current flow and enhances safety.

Environmental Considerations

• Operating Temperature Range: The relay can operate effectively in a wide temperature range, typically from -40°C to +85°C, making it suitable for various environmental conditions.
• Humidity Resistance: It is designed to withstand high humidity levels, with a relative humidity rating of up to 85% at 40°C.

Applications

The G5Q-1A4 DC5 relay is widely used in applications such as:

• Home appliances (e.g., washing machines, refrigerators)
• Industrial automation systems
• HVAC equipment
• Control panels
• Automotive electronics

Conclusion

The G5Q-1A4 DC5 relay from Omron is a reliable and efficient component for low-voltage switching applications. Its compact size, robust performance, and versatility make it an excellent choice for engineers and designers looking to implement effective control solutions in various electronic systems.