High-Performance Power Switching for Demanding Aerospace Applications
The JQ-QY45F Military Aviation Contactor represents the pinnacle of aerospace-grade power switching technology, specifically engineered for mission-critical applications in drones, aircraft engines, and advanced aviation systems. As a flagship product in YM's comprehensive Military Aviation Contactor series, this component delivers unparalleled reliability and performance where operational safety is paramount.
Designed with precision engineering and manufactured to exacting military standards, the JQ-QY45F combines robust construction with advanced electrical characteristics. Built with the same rigorous quality control applied to our extensive range of Military Metal Relays and High Power Aviation Contactors, this contactor ensures dependable operation in the most challenging aerospace environments.
Technical Specifications
Electrical Parameters
- Coil Power Consumption: (0.3 - 0.43)W for energy-efficient operation
- Contact Load Ratings:
- Standard Load: 1A at 28V DC, resistive
- Signal Load: (10-50)μA, (10-50)mV for precision circuits
- Operational Life: 100,000 cycles minimum for both load types
- Contact Resistance:
- Initial: ≤ 50mΩ
- After Life Test: ≤ 200mΩ
- Timing Characteristics:
- Actuation Time: ≤ 4ms
- Release Time: ≤ 4ms
- Minimum Pulse Width: (10-50)ms
Environmental & Physical Properties
- Dielectric Strength:
- Sea Level: 500V RMS, 50Hz
- High Altitude: 250V RMS, 50Hz
- Insulation Resistance:
- Initial: > 500 MΩ
- Post-Test: > 50 MΩ
- Weight: < 3 grams
- Sealing Performance: Leakage rate ≤ 1×10⁻³ Pa·cm³/s
- Reference Temperature: 25°C for all electrical specifications
Key Features & Benefits
- Military-Grade Construction: Built to withstand extreme aerospace environments with vibration and shock resistance comparable to Military Electronic components
- Hermetic Sealing: Complete environmental protection against moisture, dust, and contaminants, matching the standards of Aviation Oil Sealed Valves
- Dual-Function Capability: Handles both power switching and sensitive signal circuits, offering versatility similar to advanced PCB Signal Relays
- High-Speed Operation: Fast 4ms switching response for critical control applications
- Extended Service Life: 100,000+ operational cycles reduce maintenance requirements and total cost of ownership
- Lightweight Design: <3g weight contributes to aircraft weight optimization goals
- Energy Efficient: Low power consumption minimizes system heat generation
- Altitude Performance: Maintains electrical integrity at high altitudes where atmospheric pressure is reduced
Installation Guidelines
Follow these steps for proper installation and optimal performance:
- System Verification: Confirm compatibility with 28V DC aircraft systems and ≤1A load requirements
- Environmental Assessment: Ensure installation location meets temperature and vibration specifications
- Safety Precautions: De-energize system following established aircraft maintenance protocols
- Mechanical Installation: Mount securely using provided hardware with proper torque specifications
- Electrical Connection: Connect terminals according to wiring diagram, using practices consistent with Aviation Temperature Sensor installations for signal circuits
- Testing & Validation: Perform comprehensive electrical testing before system commissioning
Application Areas
The JQ-QY45F is ideally suited for:
- UAV/Drone Systems: Power distribution, motor control, and payload management
- Aircraft Engine Controls: Starter circuits, generator switching, and fuel system management
- Avionics Power Distribution: Navigation, communication, and radar system power switching
- Military Systems: Integration with weapon systems and Military Aviation Connectors
- Ground Support Equipment: Test systems and maintenance equipment power control
- New Energy Applications: Electric and hybrid-electric aircraft power management
Procurement Advantages: The JQ-QY45F offers reliable performance with extended service life, reducing maintenance costs and downtime. Sourcing from YM provides access to integrated solutions including Hydraulic Circuit Breakers and Aviation Magnetic Valves for complete system compatibility.
Quality & Compliance
- Manufactured under aerospace quality management systems
- Compliance with relevant MIL-STD specifications
- Material traceability and lot control
- RoHS compliance available
- Comprehensive documentation support for regulatory compliance
Customization Services
- Custom coil voltages and contact configurations
- Specialized termination options including Military aircraft Plug compatibility
- Modified mechanical configurations for specific installations
- Enhanced testing and validation protocols
- Custom marking and identification
- Specialized packaging solutions
Manufacturing Excellence
Every JQ-QY45F undergoes rigorous quality control:
- Material certification from approved suppliers
- Precision manufacturing with controlled processes
- Automated assembly with quality verification
- Hermetic sealing and leak testing
- 100% electrical performance testing
- Environmental sampling and validation
- Final inspection and documentation
Frequently Asked Questions
What makes the JQ-QY45F suitable for aerospace applications?
The contactor features military-grade construction, hermetic sealing, vibration resistance, and altitude performance specifically designed for aerospace environments.
Can it handle both power and signal circuits?
Yes, it's designed for dual-purpose operation, handling 1A/28V power circuits and μA/mV signal circuits with equal reliability.
What is the expected service life?
Minimum 100,000 operational cycles under rated conditions, significantly exceeding typical maintenance intervals.
Is technical documentation available?
Comprehensive documentation including specifications, test reports, and application guidelines is provided.
Can samples be provided for evaluation?
Evaluation samples are available to qualified customers for testing and validation.
What support is available for system integration?
Technical support includes application engineering, integration guidance, and compatibility assessment with related components like Solid State Relays and Industrial Power Relays.
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