G5Q-1A-DC24
Overview
The Omron G5Q-1A-DC24 is a compact, subminiature power relay designed for high-density PCB mounting. It features a SPST-NO contact arrangement and is capable of switching significant loads despite its small 20.3mm x 10.3mm footprint. This specific model operates with a 24VDC coil voltage and is rated for high-temperature environments up to 105 degrees Celsius.
Why Choose This Part
The G5Q-1A-DC24 offers a high temperature rating of 105C, making it reliable in enclosed power supplies and motor housings. It features a low coil power consumption of approximately 200mW (8.3mA at 24VDC), which reduces thermal load on the driving circuit. Its UL, CSA, VDE, and CQC approvals ensure compliance with global safety standards for power switching.
Applications
Key Specifications
Getting Started
When designing with this relay, ensure a flyback diode is placed across the 24VDC coil terminals to protect the driving transistor from inductive spikes. The PCB layout should maintain proper creepage and clearance distances between the low-voltage coil traces and the high-voltage contact pads. Engineers should verify that the 10ms operate time and 5ms release time meet the timing requirements of their specific application.
G5Q-1A Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | Coil Current | Coil Voltage | Must Operate Voltage | Must Release Voltage | Stock |
|---|---|---|---|---|---|
| G5Q-1A-DC24 (this part) | 8.3 mA | 24V | 18 V | 1.2 V | 874 |
| G5Q-1A-DC5 | 40 mA | 5V | 3.75 V | 0.25 V | 2,423 |



