High-Reliability Power Switching for Demanding Aerospace Applications
YM introduces the JQ-61M Military Aviation Contactor, a premium-grade component engineered for critical power switching in drone systems, aircraft engines, and advanced aerospace applications. This high-quality contactor delivers exceptional performance and durability for engine control, train systems, and aircraft electrical circuits. Manufactured with the same precision and reliability standards as our Military Metal Relay and High Power Aviation Contactor series, the JQ-61M represents the pinnacle of switching technology for environments where failure is not an option.
Engineering Excellence & Key Advantages
The JQ-61M is designed to meet the most stringent requirements of modern aerospace systems, incorporating advanced materials and manufacturing techniques developed through our expertise in producing Solid State Relays and Hydraulic Circuit Breakers.
- Ultra-Low Power Consumption Coil: Energy-efficient operation with coil power consumption between 0.3W and 0.43W, minimizing system heat generation and power requirements.
- Exceptional Contact Performance & Longevity: Features extremely low initial contact resistance (≤50mΩ) for maximum power efficiency. Maintains reliable performance even after extensive lifecycle testing (≤200mΩ), a standard consistent with our premium PCB Board Relay components.
- High-Speed Precision Switching: Delivers rapid action time (≤3ms) and release time (≤4ms), ensuring precise timing control essential for flight-critical systems and automated industrial processes.
- Military-Grade Hermetic Sealing: Advanced sealed enclosure with maximum leakage rate of ≤10⁻¹ Pa·cm³/s provides superior protection against moisture, dust, chemicals, and pressure variations, utilizing technology similar to our Aviation Oil Sealed Valves.
- Extended Operational Life: Rated for 1,000,000 operations at full rated load (1A, 28V DC), significantly reducing maintenance frequency and total lifecycle costs for critical systems.
- Optimized Weight & Size: Weighing less than 3 grams with a compact footprint, ideal for space-constrained and weight-sensitive applications in modern drones and aircraft.
- Superior Electrical Isolation: High dielectric strength (500Vrms at normal pressure) and excellent insulation resistance (>500MΩ) ensure safe, reliable operation in complex electrical environments alongside sensitive components like Aviation Temperature Sensors.
- Wide Operating Temperature Range: Engineered to perform reliably across extended temperature ranges suitable for aerospace applications.
Comprehensive Technical Specifications
Electrical Performance Characteristics
- Coil Power Requirement: 0.3 to 0.43 Watts
- Contact Rating & Mechanical Endurance:
- Standard Resistive Load: 1 Ampere at 28 Volts DC for 1,000,000 cycles
- Low-Level Signal Load: (10-50) microamperes at (10-50) millivolts for 1,000,000 cycles
- Contact Resistance Specifications:
- Maximum Initial Value: 50 milliohms (mΩ)
- Maximum Value After Life Testing: 200 milliohms (mΩ)
- Dynamic Timing Parameters:
- Operate (Action) Time: ≤ 3 milliseconds
- Release (Drop-out) Time: ≤ 4 milliseconds
- Minimum Coil Excitation Pulse Width: 10 to 50 milliseconds
Environmental, Safety & Physical Properties
- Dielectric Withstanding Voltage:
- At Standard Atmospheric Pressure: 500 Volts RMS, 50Hz
- Under Low-Pressure Conditions: 250 Volts RMS, 50Hz
- Insulation Resistance:
- Initial Measurement: > 500 Megohms (MΩ)
- After Endurance Testing: > 50 Megohms (MΩ)
- Mass: Less than 3 grams
- Seal Integrity (Hermeticity): Maximum allowable leakage rate: 1 × 10⁻¹ Pa·cm³/s
- Coil Voltage Options (DC): Available in standard aviation DC voltages. Contact for specific requirements or integration with custom Military Aviation Connector solutions. All specifications referenced at 25°C (77°F).
Primary Applications & Industry Use Cases
The JQ-61M serves as a critical Aviation Contactor for Aircraft and specialized industrial applications where reliability and performance cannot be compromised.
- Unmanned Aerial Systems (UAS/Drones): Power distribution, motor controller enable/disable, payload activation (cameras, sensors, communication systems), and battery management in commercial, industrial, and defense drone platforms.
- Manned Aircraft Systems: Control of auxiliary power units (APUs), fuel pumps, environmental control systems, lighting circuits, and non-essential engine components in both fixed-wing and rotary-wing aircraft.
- Rail & Transportation Systems: Integration into railway control systems, signaling equipment, and ground support vehicles where high vibration resistance and long-term reliability are essential.
- Industrial Automation & Energy: Deployment in harsh-environment control panels, renewable energy systems, and automated machinery, often working in conjunction with Military Pressure Sensors and Industrial Power Relays.
- Aerospace Test & Qualification Equipment: Provides reliable load switching in test benches and qualification rigs for Aerospace Components, including Aviation Haulage Pressure Sensors and Military Electronic Horns.
- Defense & Military Systems: Critical switching applications in military vehicles, communication systems, and specialized defense equipment requiring MIL-spec reliability.
Optimal Integration & Implementation Steps
- System Compatibility Assessment: Verify that your control circuit voltage matches the JQ-61M coil specifications. Ensure the load (current, voltage type - DC) is within the rated contact parameters.
- Mechanical Mounting: Securely mount the contactor using appropriate hardware in a location that minimizes exposure to excessive vibration, shock, and heat sources. Ensure proper clearance for heat dissipation.
- Electrical Connection: Solder or connect wires to the coil terminals and contact terminals according to the provided schematic. Use appropriate wire gauge for the load current. For systems with complex control logic involving PCB Signal Relays, ensure proper circuit isolation.
- Environmental Protection Considerations: While the contactor is hermetically sealed, additional panel or enclosure protection is recommended for extreme environments. The seal provides protection against internal contamination.
- Pre-Operational Testing: Before full system integration, test the contactor's operation by applying the specified coil voltage and verifying the switching action. Monitor for abnormal heating during initial operation.
- System Integration & Validation: Integrate into the final system and perform comprehensive functional testing under simulated or actual operating conditions to validate performance across the expected operational envelope.
Strategic Value for B2B Procurement
Choosing YM's JQ-61M delivers significant competitive and operational advantages to aerospace manufacturers, system integrators, and maintenance organizations.
- Enhanced System Reliability & Uptime: Superior build quality and extended lifespan minimize unscheduled maintenance and system downtime, protecting operational continuity and end-user satisfaction.
- Supply Chain Confidence: Source from a manufacturer with proven expertise across complementary product lines, including New Energy Relays and Automotive Relays, ensuring consistent quality and technical support.
- Weight & Efficiency Optimization: The lightweight design and low power consumption help end-products meet stringent efficiency and performance targets, particularly valuable in aviation and mobility applications.
- Reduced Total Cost of Ownership: Long operational life, high reliability, and competitive pricing combine to deliver lower lifecycle costs compared to inferior alternatives.
- Technical Partnership & Support: Access to YM's engineering expertise for application-specific guidance, system integration advice, and troubleshooting support, backed by our experience with Metal Sealing Relays and complex aerospace components.
- Quality Assurance & Traceability: Full manufacturing traceability and rigorous quality control provide confidence in component performance and support certification requirements for end-products.
Manufacturing Process & Quality Assurance
Every JQ-61M contactor is produced under a stringent quality management system that ensures consistency, reliability, and performance.
- Precision Automated Manufacturing: State-of-the-art automated assembly lines and controlled environment stations for critical processes including welding, sealing, and terminal assembly ensure dimensional accuracy and product consistency.
- Comprehensive Multi-Stage Testing: 100% in-line testing of all critical electrical parameters (contact resistance, operate/release time, coil function). Rigorous batch sampling for environmental stress screening (ESS), accelerated life cycle testing, and seal integrity verification.
- Advanced Material Selection & Control: Careful selection of materials for contacts, coils, and enclosures based on extensive testing. Incoming materials undergo thorough inspection to ensure they meet specifications.
- Process Documentation & Control: All manufacturing processes are documented and controlled under certified quality management protocols, similar to those used for our Polarized Relay production.
- Continuous Improvement Culture: Systematic analysis of production data, test results, and field performance feedback drives ongoing product and process refinements, ensuring the JQ-61M remains at the forefront of aviation contactor technology.
Contact Now