Product Overview
The REK-23 (РЭК23) series, also known as P3K23, is a Soviet/Russian-standard subminiature, hermetically sealed, monostable electromagnetic relay. Engineered for high-reliability applications, this SPDT Form C Changeover Relay is designed for switching low-power DC and AC circuits in demanding environments such as aerospace, telecommunications, and precision instrumentation. As a Military Metal Relay , it offers exceptional durability and performance, ensuring critical operations in Aerospace and Military Systems.
Technical Specifications
- Contact Form: 1 Changeover contact (SPDT / 1 Form C)
- Coil Voltage Options: 6V, 12V, 18V, and 27V DC
- Switching Capacity:
- Max Voltage: 150V DC / 115V AC
- Max Current: Up to 1.0 A
- Max Power: 30W (DC) / 50VA (AC)
- Operating Speed: Operate time ≤3.5ms, Release time ≤1.5ms
- Coil Power Consumption: (0.3 – 0.43)W
- Contact Resistance: Initial ≤50mΩ; After life test ≤200mΩ
- Insulation Resistance: >500MΩ (normal pressure); >50MΩ after high-level life test
- Dielectric Strength: 500V r.m.s., 50Hz (normal pressure); 250V r.m.s., 50Hz (low pressure)
- Environmental Resistance: Hermetically sealed metal case with inert gas; Operating temperature: -60°C to +85°C (up to +125°C for military versions)
- Dimensions: Approx. 10.5 x 5 x 15 mm
- Weight: <3g
- Sealing: Leak rate ≤1×10⁻³ Pa·cm³/s
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Passport Variants & Coil Specifications
The REK-23 series is available in several passport variants, each with specific coil characteristics. The -01 variant operates at 27V with coil resistance 1530–2070Ω, operate current 8.0mA, and release current 0.8mA. The -02 variant operates at 12V with coil resistance 238–322Ω, operate current 22.0mA, and release current 2.2mA. The -03 variant operates at 6V with coil resistance 54–72Ω, operate current 43.0mA, and release current 4.3mA. All variants feature the same hermetically sealed Metal Sealing Relay construction and meet rigorous military standards.
Product Features & Advantages
- Hermetic Metal Sealing: The metal enclosure protects against moisture, salt spray, and dust, ensuring a service life of up to 12–15 years. This Metal Sealing Relay technology guarantees reliable operation in extreme environments.
- Exceptional Durability: Designed to withstand high mechanical stress, including vibration and shock, making it ideal for mobile, airborne, and Military Metal Relay applications.
- High-Frequency Switching: Capable of switching signals up to 10 kHz with minimal distortion, suitable for telecommunications and precision instrumentation.
- Low Contact Resistance: Initial contact resistance ≤50mΩ ensures efficient power transfer and signal integrity.
- Fast Switching Speed: Operate time ≤3.5ms and release time ≤1.5ms enable rapid response in critical control circuits.
- Versatile Coil Options: Available in 6V, 12V, and 27V DC configurations, compatible with various system requirements.
- Integrated Protection Features: While this model is monostable, our portfolio includes Polarized Relay , Reverse polarity protection relay, and Latching Relay variants for enhanced system safety.
How to Select and Integrate the REK-23 Relay
- Identify System Requirements: Determine coil voltage (6V, 12V, or 27V DC), load type, and switching frequency needed for your application.
- Select the Appropriate Passport Variant: Choose the variant (-01, -02, or -03) that matches your voltage and current specifications.
- Verify Pin Configuration: Ensure the metric pin spacing (typically 2.54mm grid compatible) matches your PCB layout or socket arrangement.
- Consider Environmental Factors: The hermetically sealed design is suitable for harsh environments, including Aerospace and Military Systems with extreme temperatures and vibration.
- Implement Protection if Needed: For inductive loads, consider external suppression or explore our Built in coil transient suppression relay options for enhanced protection.
- Test in Your Circuit: Validate performance under actual operating conditions before full deployment.
Application Scenarios
The REK-23 Military Metal Relay is engineered for mission-critical applications across multiple industries:
- Aerospace & Avionics: Switching control signals in flight systems, navigation equipment, and communication interfaces. Compatible with Aviation Microswitch and Aviation Button Switch assemblies.
- Military Communication Systems: Reliable signal routing in encrypted communication devices and radar systems, integrating with Military Aviation Encoding switch and Military Aviation Band Switch.
- Telecommunications Infrastructure: High-frequency signal switching up to 10 kHz in base stations and network equipment.
- Precision Instrumentation: Control circuits in test and measurement equipment requiring low contact resistance and high reliability.
- Industrial Control Systems: Suitable for Industrial Power Relay applications where hermetically sealed protection is required.
- Unmanned Systems: Control logic in drones and unmanned ground vehicles, working alongside Aviation Magnetic Valve and Aviation Temperature Sensor systems.
Certifications & Compliance
The REK-23 series is manufactured to meet rigorous military and aerospace standards. Key compliance features include:
- Hermetic sealing with leak rate ≤1×10⁻³ Pa·cm³/s, meeting military-grade environmental requirements
- Operational temperature range -60°C to +85°C (military versions up to +125°C)
- Withstands vibration and shock per relevant MIL-STD testing protocols
- Manufactured under quality management systems aligned with ISO 9001 standards
- RoHS-compliant materials available upon request
- Compatible with PCB Board Relay and PCB Signal Relay mounting requirements
Customization Options
YM offers extensive customization for the REK-23 relay series to meet specific application needs:
- Coil Voltage Customization: Non-standard voltages available for specialized systems, including integration with New Energy Relay applications.
- Contact Material Options: Enhanced contact materials for higher current or specialized load types.
- Terminal Configurations: Custom pin lengths, formed leads, or alternative termination styles.
- Environmental Protection Upgrades: Extended temperature ranges or enhanced sealing for extreme conditions.
- Integration with Connectors: Pre-wired with Military aircraft Plug, Military Aviation Socket, or Military Aviation Connector assemblies.
- Branding and Packaging: Custom labeling, lot traceability, and specialized packaging per customer requirements.
- Complementary Components: Integration with Aviation Hours Timer, Aviation Ammeter, or Aviation Copper Fuse Holder for complete system solutions.
Production Process
Each REK-23 Military Metal Relay undergoes a stringent manufacturing process to ensure uncompromising quality:
- Precision Component Manufacturing: Contacts, coils, and housings produced to tight tolerances using advanced machining and winding techniques.
- Clean Room Assembly: Components assembled in controlled environments to prevent contamination.
- Hermetic Sealing: Metal enclosure sealed with inert gas fill, verified by helium leak testing to ≤1×10⁻³ Pa·cm³/s.
- Electrical Testing: 100% testing of coil resistance, contact resistance, operate/release times, and dielectric strength.
- Environmental Stress Screening: Thermal cycling and vibration testing to ensure reliability in extreme conditions.
- Final Quality Audit: Comprehensive inspection and documentation before release.
Our production process ensures every relay meets or exceeds the specifications required for Aerospace and Military Systems, with traceability maintained throughout manufacturing.
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