Product Overview

G5PA18DC9 is a high-performance miniature power relay from OMRON G5PA series, designed for PCB through-hole mounting. It is a Single-Pole Single-Throw Normally Open (SPST-NO) non-latching power relay. Featuring compact size, low power consumption, high withstand voltage, strong shock resistance and long service life, it is widely used for on/off control of small and medium-power circuits in civil and industrial fields. It serves as a core electronic control component for power supplies, smart home devices, audio-visual equipment and industrial supporting control devices. Users can obtain samples and check real-time inventory of G5PA18DC9 via SMCC, an authorized OMRON distributor, to ensure stable supply during R&D and mass production.

G5PA18DC9 adopts cadmium-free eco-friendly contact material and double-layer insulation structure, which effectively isolates power circuits, video circuits, data lines and external devices with excellent electrical insulation and environmental adaptability. It has passed multiple international safety certifications including UL, CSA, VDE, SEMKO and TÜV, featuring complete compliance and high stability to meet long-term stable operation under harsh working conditions.

Technical Specifications

Basic Product Parameters

• Part Number: G5PA18DC9

• Product Type: Miniature Power Relay

• Contact Configuration: SPST-NO (Single-Pole Single-Throw Normally Open)

• Latching Type: Non-Latching

• Mounting Type: Through-Hole Technology (THT)

• Terminal Type: PCB Pin Terminal

• Weight: Approx. 10g

• Environmental Feature: Cadmium-Free Contact, Compliant with EU RoHS Directive

• Certifications: UL508, CSA C22.2, VDE0435/IEC255, SEMKO, TÜV

Coil Electrical Parameters

• Rated Coil Voltage: 9VDC

• Nominal Power Consumption: Approx. 250mW, Low Power Design

• Maximum Allowable Voltage: 110% of Rated Voltage

• Pick-up Voltage: ≤ 80% of Rated Voltage

• Drop-out Voltage: ≥ 10% of Rated Voltage

• Coil Feature: Without Suppression Diode

Contact Electrical Parameters

• Resistive Load: 5A/250VAC, 5A/30VDC

• Capacitive Load: 125VAC, withstand 100A peak inrush current, compliant with TV-5

• Maximum Switching Voltage: 250VAC, 30VDC

• Maximum Switching Current: 5A

• Max Contact Resistance: 100mΩ (5VDC/1A)

Insulation & Anti-Interference Performance

• Insulation Resistance: Min. 1000MΩ (500VDC)

• Coil to Contact Withstand Voltage: 4000VAC (1min)

• Same-pole Contact Withstand Voltage: 1000VAC (1min)

• Impulse Withstand Voltage: 10kV (1.2×50μs pulse)

Response & Life Parameters

• Operate Time: Max. 15ms

• Release Time: Max. 5ms

• Mechanical Life: Min. 1,000,000 operations (18,000/hour)

• Electrical Life: Min. 40,000 operations under rated load

Environmental & Mechanical Resistance

• Operating Temperature: -40°C ~ 70°C (No icing)

• Operating Humidity: 35% ~ 85%RH

• Vibration Resistance: 10~55Hz, 1.5mm total amplitude

• Shock Resistance: 1000m/s² (no damage), 200m/s² (no malfunction)

Application Fields

Smart Home Devices

G5PA18DC9 is applied for power control of smart sockets, smart lights, home control units and small kitchen appliances. Its compact size and ultra-low power fit compact home devices. High inrush resistance protects circuits from grid surge. Million-level mechanical life ensures long service life, and double-layer insulation guarantees household electrical safety.

Audio-Visual Equipment

Compliant with TV-5 standard, this relay is used for power switching of TVs, projectors and audio amplifiers. It withstands 100A peak inrush current during power-on. Fast response and low noise avoid signal interference, and high insulation isolates power and audio/video circuits effectively.

Industrial Supporting Control Equipment

It is widely used for small control modules, sensor power supplies, indicators and auxiliary switches. Wide temperature range and excellent vibration resistance adapt to harsh industrial environments. Multiple safety certifications ensure stable operation of industrial small signal circuits.

Product Advantages

Ultra-Low Power Consumption & High Energy Efficiency

250mW coil power reduces standby energy consumption, ideal for energy-saving electronic products.

Strong Inrush Current Resistance

100A peak current capability meets TV-5 standard, prevents contact burn-out caused by power-on surge.

High Safety & Complete Certifications

10kV impulse withstand voltage and double insulation eliminate leakage risks, with global export certifications.

Long Service Life & Low Maintenance

Durable cadmium-free contacts reduce failure rate and later maintenance cost.

Supply Chain Service

G5PA18DC9 is a versatile miniature power relay for smart home, audio-visual, industrial control and precision instruments. SMCC provides stable inventory, professional selection and alternative support to help customers accelerate product launch.

For more information, please visit the official OMRON website or contact SMCC for G5PA18DC9.