Durable Military Grade Contactors JQ-40F 27V

Product Overview

The YM Military Aviation Contactor JQ-40F is a premium-grade power management component engineered for the most demanding aerospace environments. Specifically designed for drone systems, aircraft engines, and Aviation Electronics, this hermetically sealed contactor delivers exceptional reliability in mission-critical applications. As an integral part of YM's comprehensive aviation component portfolio—which includes Military Aviation Connectors and Aviation Temperature Sensors—the JQ-40F is built to work seamlessly with complementary systems such as Hydraulic Circuit Breakers and Aviation Magnetic Valves, ensuring complete system integrity.

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Technical Specifications

Precision-engineered for aerospace reliability, the JQ-40F features:

• Coil Power Consumption: 0.3W to 0.43W operational range
• 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; after lifetime testing ≤200mΩ
• Switching Performance: Action time ≤4ms, release time ≤4ms (typical ≤3ms); requires (10-50)ms incentive pulse width
• Dielectric Strength: 500V RMS @ 50Hz (normal pressure); 250V RMS @ 50Hz (low pressure)
• Insulation Resistance: >500MΩ initially; >50MΩ after endurance testing
• Weight: Under 3 grams for weight-sensitive applications
• Sealing Performance: Leakage rate ≤1.0×10⁻³ Pa·cm³/s (hermetic seal)
• Operating Conditions: Rated for standard 25°C temperature

Product Features & Advantages

1. Advanced Hermetic Metal Sealing: Incorporates proprietary Metal Sealing technology used in our Military Metal Relays, providing complete environmental protection against moisture, dust, and pressure variations.
2. Extreme Environment Durability: Engineered to withstand severe vibration, shock, and thermal stress typical in aerospace operations.
3. Extended Operational Lifespan: Rated for over one million operations, significantly reducing maintenance requirements and total cost of ownership—consistent with our Industrial Power Relays standards.
4. Optimized Thermal Performance: Low-power coil design minimizes heat generation, making it compatible with thermal management systems utilizing Aviation Cold Air Solenoid Valves.
5. Superior Contact Technology: Special alloy contacts ensure minimal arcing and stable electrical performance throughout service life.

Installation & Integration Guide

For optimal performance, follow these integration steps:

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

Application Scenarios

• Unmanned Aerial Vehicle Systems: Power management for propulsion, payload, and avionics systems
• Aircraft Engine Control Systems: Management of fuel delivery, ignition circuits, and auxiliary power systems
• Aviation Power Distribution Networks: Secondary power switching in distribution panels alongside Aviation Ammeters
• Military & Defense Electronics: Mission-critical systems in communications, radar, and electronic warfare platforms
• Aerospace Test & Ground Support: Validation systems and maintenance equipment for aircraft systems

Value Proposition: The JQ-40F enhances system reliability, reduces lifecycle costs through extended maintenance intervals, and ensures compliance with stringent aviation standards—delivering measurable operational advantages and mission assurance for procurement teams.

Certifications & Compliance

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

Customization Options

We offer flexible customization to meet specific application requirements:

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

Production & Quality Assurance Process

1. Material Selection & Verification: Aerospace-grade materials with full traceability for all critical components
2. Precision Manufacturing: Automated assembly in controlled environments ensuring consistent quality
3. Hermetic Sealing Process: Specialized sealing techniques for complete environmental protection
4. Comprehensive Electrical Testing: 100% testing of all electrical parameters including contact resistance and timing characteristics
5. Environmental Validation: Batch testing for vibration resistance, thermal cycling, shock tolerance, and seal integrity verification

This rigorous quality approach, applied equally to our Solid State Relays and Aviation Rocker Switches, ensures every JQ-40F meets the highest reliability standards expected in aerospace applications.