Product Attributes

Model No.: JQ-37F

Brand: YM

Ambient Temperature: -55℃~85℃

Sinusoidalvibration: 10g,10Hz～500Hz

Relativehumidity: 98% at 40℃

Cyclone: 2.5kPa(25000m)

Coil Powerconsumption: Line coil power consumption: ≤7W (stablevalue)

Dielectricwithstandvoltage: Normal atmospheric pressure: 1800Vr.m.s., 50Hz Under low pressure: 400Vr.m.s.,50Hz

Contact Resistance Orvoltage Drop: Initial value ≤50m Life test after ≤100mΩ

Insulationresistance: ≥ 1 0 0 0 MQ

Time Parameter: DC AC actiontime: ≤20ms≤40ms release time: ≤25ms≤100ms

Weight: ≤1300g

JQ-37F Military Aviation Contactor:

High-Reliability Power Switching for Demanding Aerospace Applications

The YM JQ-37F Military Aviation Contactor is engineered for mission-critical power distribution in the most demanding aerospace environments. Designed specifically for drone systems, aircraft engines, and various aviation subsystems, this high-quality contactor delivers exceptional reliability for engine controls, train systems, and aircraft electrical distribution. As a core component of YM's comprehensive aerospace portfolio, it integrates seamlessly with our Military Metal Relays, Aviation Connectors, and Hydraulic Circuit Breakers, providing robust power management solutions for modern aerospace systems.

Product Images & Technical Documentation

Engineering drawing with detailed specifications for JQ-37F contactor

Technical Advantages & Performance Features

Optimized for Aerospace Performance and Reliability

Energy Efficient Design: Ultra-low coil power consumption (0.3-0.43W) reduces thermal load and improves overall system efficiency.
Extended Operational Life: Rated for 1,000,000 operations at full load (1A, 28V DC resistive) with additional 1,000,000 cycles at low-level switching (10-50µA, 10-50mV).
Superior Electrical Performance: Exceptionally low contact resistance (≤50mΩ initial, ≤200mΩ after life testing) minimizes power loss and voltage drop.
High-Speed Switching Capability: Fast action and release times (≤4ms) with precise 10-50ms incentive pulse control for accurate system timing.
Military-Grade Environmental Protection: Hermetic sealing with leakage rate ≤10⁻³ Pa·cm³/s provides superior protection against moisture, dust, and corrosive elements.
Enhanced Dielectric Strength: Withstands 500Vr.m.s. at normal pressure and 250Vr.m.s. at low pressure (50Hz), with insulation resistance exceeding 500MΩ.
Lightweight Aerospace Design: Weighing under 3 grams, optimized for weight-critical applications in modern drones and aircraft systems.
Robust Construction: Built with military-grade materials and precision engineering for maximum durability in harsh environments.

Manufactured with the same precision engineering as our PCB Board Relays and Solid State Relays, the JQ-37F represents the pinnacle of aerospace power switching technology.

Complete Technical Specifications

Electrical Performance Parameters

Coil Power Requirement: 0.3W - 0.43W
Contact Rating: 1A at 28V DC (resistive load)
Contact Life Expectancy: 1×10⁶ operations at rated load; 1×10⁶ operations at low-level load
Contact Resistance: Initial value ≤50mΩ; After life testing ≤200mΩ
Switching Speed: Action time ≤4ms; Release time ≤4ms
Dielectric Strength: 500Vr.m.s. @ normal atmospheric pressure (50Hz); 250Vr.m.s. @ low pressure (50Hz)
Insulation Resistance: >500MΩ @ normal pressure; >50MΩ after high-level life testing
Control Pulse Specification: 10-50ms incentive pulse width for reliable actuation

Physical & Environmental Specifications

Weight: Less than 3 grams
Sealing Performance: Leakage rate ≤10⁻³ Pa·cm³/s
Reference Temperature: Coil voltage specifications referenced at 25°C
Operating Environment: Suitable for aerospace applications including high-altitude and variable pressure conditions
Construction: Military-grade materials with hermetic sealing technology

System Integration & Installation Guidelines

System Compatibility Analysis: Verify that your application's voltage, current, environmental conditions, and switching frequency match the JQ-37F specifications.
Circuit Design Integration: Design control circuitry to provide proper coil excitation (10-50ms pulses) and implement necessary protection components.
Mechanical Installation: Mount securely using appropriate hardware, ensuring no mechanical stress is transferred to the contactor body or terminals.
Electrical Connection: Use aerospace-grade wiring practices and proper termination techniques, similar to installation standards for Military Aviation Connectors.
Environmental Sealing Verification: If used in environmentally sealed enclosures, ensure complementary sealing integrity around the contactor installation.
Comprehensive Testing: Perform thorough functional testing including contact resistance measurement, timing verification, and load cycling before system deployment.

Application Environments & Use Cases

Mission-Critical Power Control Across Multiple Sectors

Unmanned Aerial Systems: Power management for propulsion motors, flight controllers, camera gimbals, and communication systems in military and commercial drones.
Aircraft Engine Control Systems: Integration into engine control units (ECUs), fuel management systems, and ignition circuits for turbine and piston engines.
Avionics & Subsystems: Control applications in environmental systems, landing gear controls, lighting circuits, and auxiliary power units (APUs).
Ground Support Equipment: Reliable switching in aircraft maintenance platforms, test benches, and charging systems.
Railway & Specialized Transportation: Applications in control systems requiring aerospace-grade reliability, often integrated with Aviation Temperature Sensors and Military Pressure Sensors.

Similar to our New Energy Relays designed for emerging transportation sectors, the JQ-37F addresses evolving power management challenges with proven reliability.

Procurement Advantages & Operational Value

Enhanced System Reliability: Reduces maintenance requirements and unexpected failures, lowering total lifecycle costs.
Weight Optimization Benefits: Ultra-lightweight design contributes directly to improved fuel efficiency and increased payload capacity.
Risk Reduction: High dielectric strength and hermetic sealing minimize risks of electrical failure in challenging environments.
Supply Chain Confidence: Manufactured by YM with the same expertise applied to our Aviation Rocker Switches and Aviation Microswitches.
Technical Support Advantage: Backed by engineering teams experienced with diverse Aerospace Components including Industrial Power Relays and Automotive Relays.
Long-Term Performance: Extended contact life reduces replacement frequency and maintenance intervals.

Quality Standards & Manufacturing Excellence

The JQ-37F is manufactured in facilities implementing aerospace-grade quality management systems aligned with industry standards. Our production processes incorporate modern reliability enhancements and comprehensive testing protocols to ensure consistent performance. Each contactor undergoes rigorous verification to meet the demanding requirements of aerospace applications, complementing our expertise in producing other critical components like Military Pressure Sensors and aviation-grade switching devices.

Customization & Application-Specific Support

YM offers engineering support for customized solutions based on the JQ-37F platform to meet specific application requirements:

Alternative coil voltage and resistance configurations
Custom terminal types and connection methods
Special environmental testing and screening requirements
Modified sealing approaches for unique operating conditions
Custom marking and documentation according to customer specifications

Our experience with custom PCB Signal Relays and Latching Relays enables us to adapt the JQ-37F to meet precise application needs while maintaining performance standards.