Military Grade Contactors JQ-39F 28V

Product Overview

The YM Military Aviation Contactor JQ-39F is engineered to deliver uncompromising reliability in critical aerospace power management applications. Designed specifically for drone systems, aircraft engines, and Aviation Electronics, this hermetically sealed contactor provides precise electrical circuit control in the most challenging environments. As part of YM's comprehensive portfolio of aviation-grade components—including Military Aviation Connectors and Aviation Temperature Sensors—the JQ-39F integrates seamlessly with systems requiring the same level of reliability as Hydraulic Circuit Breakers and Aviation Magnetic Valves.

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Technical Specifications

The JQ-39F delivers precision performance through optimized engineering:

• Coil Power Consumption: 0.3W to 0.43W range for efficient operation
• Contact Load & Electrical Life:
  • Resistive Load: 1A at 28V DC for 1×10⁶ operations
  • Low-Level Load: (10-50)μA at (10-50)mV for 1×10⁶ operations
• Contact Resistance: Initial ≤50mΩ; post-lifetime ≤200mΩ
• Switching Performance: Action time ≤4ms, release time ≤4ms (typical ≤3ms); incentive pulse width (10-50)ms
• Dielectric Strength: 500V RMS @ 50Hz (normal pressure); 250V RMS @ 50Hz (low pressure)
• Insulation Resistance: >500MΩ initial; >50MΩ after endurance testing
• Weight: Under 3 grams for critical weight optimization
• Sealing Integrity: Leakage rate ≤1.0×10⁻³ Pa·cm³/s (hermetic seal)
• Operating Temperature: Rated for standard 25°C conditions

Product Features & Advantages

1. Military-Grade Hermetic Sealing: Features advanced Metal Sealing technology identical to our Military Metal Relays, ensuring complete protection against environmental contaminants.
2. Extreme Environment Performance: Engineered to withstand severe vibration, shock, and thermal cycling typical in aerospace operations.
3. Extended Operational Life: Rated for over one million operations, reducing maintenance frequency and total cost of ownership—consistent with our Industrial Power Relays standards.
4. Efficient Thermal Design: Low-power coil minimizes heat generation, compatible with thermal management systems using Aviation Cold Air Solenoid Valves.
5. Superior Contact Technology: Special alloy contacts ensure minimal arcing and stable electrical characteristics throughout service life.

Installation & Integration Procedure

Follow these steps for optimal system integration:

1. System Compatibility Verification: Confirm control voltage matches coil specifications and load current (e.g., for driving Aviation Oil Sealed Valves) is within rated parameters.
2. Proper Mounting: Install using designated mounting points, avoiding high-temperature areas and preventing terminal stress.
3. Correct Wiring: Connect control signals to coil terminals and load power through main contacts; observe DC polarity requirements.
4. Pre-Operational Testing: Conduct continuity and insulation resistance tests before final system integration.
5. System Validation: Perform functional testing under simulated operational conditions within the complete assembly.

Application Scenarios

• Unmanned Aerial Systems: Power distribution for propulsion, payload, and navigation systems
• Aircraft Engine Control: Management of fuel systems, ignition circuits, and auxiliary power
• Aviation Power Distribution: Secondary power switching in distribution networks alongside Aviation Ammeters
• Military Electronics: Mission-critical systems in communications, radar, and electronic warfare platforms
• Aerospace Test Equipment: Ground support and validation systems for aircraft maintenance

Procurement Value: The JQ-39F enhances system reliability, reduces lifecycle costs, and ensures compliance with stringent aviation standards—delivering measurable operational advantages and mission assurance.

Certifications & Compliance

Manufactured under quality systems designed to meet aerospace industry requirements. While specific certifications depend on application needs, our production processes ensure performance consistency and traceability comparable to military specifications, as demonstrated across our product range including Military Pressure Sensors and Aviation Encoding Switches.

Customization Capabilities

We provide tailored solutions to meet specific application requirements:

• Custom coil voltage configurations
• Specialized wiring and connector interfaces compatible with Military Aviation Connector systems
• Modified mounting configurations for unique installation requirements
• Application-specific testing and validation protocols

Production & Quality Assurance

1. Material Selection: Aerospace-grade materials for all critical components
2. Precision Manufacturing: Automated assembly in controlled environments ensuring consistency
3. Hermetic Sealing Process: Specialized sealing techniques for complete environmental protection
4. Comprehensive Testing: 100% electrical parameter testing and validation
5. Environmental Validation: Batch testing for vibration, thermal cycling, and seal integrity

This rigorous approach, applied equally to our Solid State Relays and Aviation Rocker Switches, ensures every JQ-39F meets the highest reliability standards expected in aerospace applications.