Military Aviation Contactor JQ-85F: High-Reliability Replacement for WB-X9YN LEACH
Product Overview
The Military Aviation Contactor JQ-85F is a precision-engineered, high-performance aviation contactor designed specifically for demanding military and commercial Aviation Applications. As a direct and superior replacement for the WB-X9YN LEACH contactor, this component delivers exceptional reliability in critical systems including drone flight controls, aircraft engine management, and various aerospace power distribution networks. Engineered with military-grade standards, it ensures uninterrupted operation in extreme environmental conditions where failure is not an option. This contactor represents YM's commitment to producing top-tier Military Aviation Contactor solutions that meet the rigorous demands of modern aviation.
As part of our extensive range of aviation components, including Military Aviation Encoding Switch and Military Aviation Band Switch systems, the JQ-85F embodies our core expertise in creating durable, high-precision electromechanical devices for the aerospace sector.
Technical Specifications
The JQ-85F contactor is defined by its precise technical parameters, ensuring compatibility and performance in designated aerospace roles.
- Coil Power Consumption: Optimized at (0.3~0.43)W for efficient system energy management.
- Contact Load & Lifecycle: Rated for resistive loads of 1A at 28V DC, with a proven lifecycle exceeding 1 x 10^6 operations. Also tested for low-level loads of (10~50)μA at (10~50)mV for the same high cycle count.
- Contact Resistance: Maintains exceptional conductivity with an initial value ≤50mΩ, and remains ≤200mΩ even after full lifecycle endurance testing.
- Timing Parameters: Features rapid response with both action time and release time ≤4ms, ensuring swift circuit control.
- Dielectric Strength: Withstands 500V r.m.s. at 50Hz under normal atmospheric pressure and 250V r.m.s. at 50Hz under low-pressure conditions.
- Insulation Resistance: Exceeds 500MΩ initially and remains above 50MΩ after high-level life testing, guaranteeing electrical isolation.
- Weight & Sealing: Ultra-lightweight design at <3g. Hermetically sealed with a stringent leakage rate ≤1 x 10^-3 Pa·cm³/s, protecting against moisture and contaminants.
Product Features & Advantages
The JQ-85F is built to outperform standard components, offering distinct advantages for system integrators and OEMs.
- Direct Replacement with Enhanced Performance: Designed as a drop-in upgrade for the WB-X9YN LEACH, offering equal or superior electrical and mechanical characteristics for easy system integration.
- Military-Grade Durability: Constructed to withstand extreme vibration, shock, temperature fluctuations, and altitude changes common in military aviation environments.
- Ultra-High Reliability & Long Life: The robust contact system and sealed construction ensure a long operational lifespan exceeding one million cycles, minimizing maintenance and replacement frequency.
- Lightweight & Compact Design: Weighing under 3 grams, it contributes to overall weight reduction in aircraft systems, a critical factor for fuel efficiency and performance in drones and manned aircraft.
- Superior Sealing Technology: The advanced hermetic seal prevents ingress of fluids, dust, and other environmental hazards, making it suitable for use alongside other sealed components like Aviation Oil Sealed Valve and Aviation Magnetic Valve.
Our manufacturing excellence in components like Military Metal Relay and High Power Aviation Contactor is directly applied to the JQ-85F, ensuring unmatched quality.
How to Integrate the JQ-85F Contactor
Follow these general steps for proper installation and integration. Always refer to the specific aircraft or system manual for detailed procedures.
- System Verification: Confirm the system is powered down and all safety protocols for aviation maintenance are followed.
- Removal of Legacy Unit: Carefully disconnect and remove the existing WB-X9YN LEACH or equivalent contactor, noting the wiring configuration.
- Inspection & Preparation: Inspect the JQ-85F for any transit damage. Prepare the mounting area, ensuring it is clean and符合 specifications.
- Installation: Mount the JQ-85F contactor using the appropriate hardware. Connect the coil and contact terminals according to the pin-for-pin replacement diagram provided in our datasheet.
- Functional Testing: Before full system power-up, perform continuity and insulation resistance checks. Then, conduct controlled operational tests to verify correct opening and closing action.
Application Scenarios
The JQ-85F is engineered for mission-critical applications across various aerospace platforms:
- Unmanned Aerial Vehicles (UAVs/Drone): Used in power distribution for flight control systems, payload actuators, and engine management circuits in military and commercial drones.
- Manned Aircraft Engine Controls: Acts as a reliable switching component within engine control units (ECUs), fuel management systems, and auxiliary power unit (APU) controls.
- Aircraft Power Distribution Systems: Integrates into secondary power distribution panels to control non-essential and essential loads reliably.
- Aviation Test & Ground Support Equipment: Employed in high-cycle testing rigs and ground power units where reliability and precise switching are paramount.
Its reliability makes it a perfect companion for other critical systems utilizing Aviation Pressure Sensor and Hydraulic Circuit Breaker components.
Value Proposition for Procurement
Choosing the YM JQ-85F provides tangible benefits for international procurement officers and engineers:
- Reduced Total Cost of Ownership (TCO): Longer service life and higher reliability lead to fewer replacements, lower maintenance costs, and reduced aircraft downtime.
- Supply Chain Security: A reliable, high-quality alternative source for critical components, mitigating supply chain risks associated with single-source parts.
- Performance Assurance: Enhances overall system reliability and safety, contributing to the certification and airworthiness of the final aircraft platform.
- Engineering Support: Backed by YM's technical expertise in Aviation Contactor for Aircraft and related Aerospace Components, offering application support.
Certifications & Compliance
YM products are manufactured under stringent quality management systems. While specific certification marks on the component vary per customer order, our production of aerospace components follows processes designed to meet relevant international standards and customer-specific requirements for performance, materials, and traceability.
Customization Options
We understand that standard solutions may not fit every application. For large-volume projects, YM offers limited customization options for the JQ-85F series, which may include:
- Tailored coil voltage specifications.
- Alternative connector types or lead configurations.
- Specific labeling and documentation per customer QMS.
- Validation testing to customer-defined profiles.
Contact our engineering team to discuss your specific needs for this or other components like PCB Signal Relay or Solid State Relay for aviation use.
Production Process & Quality Control
Every JQ-85F contactor is produced in our state-of-the-art facility, which specializes in high-reliability electromechanical components. Our integrated production process includes:
- Precision Stamping & Forming: Using high-grade materials for contacts and springs.
- Automated Coil Winding: Ensuring consistent electrical parameters.
- Robotic Assembly: For precise and repeatable construction in clean-room conditions.
- Hermetic Sealing: Performed in controlled atmospheres to guarantee the specified leak rate.
- Rigorous 100% Testing: Each unit undergoes electrical (contact resistance, pull-in voltage, insulation) and mechanical (sealing) tests before shipment.
- Lot Sampling & Life Testing: Regular accelerated life and environmental stress testing on production samples to validate long-term reliability.