KH33K12TP2 Aviation Connector: High-Performance Terminal for Mission-Critical Applications

Product Overview

The KH33K12TP2 Aviation Connector represents the pinnacle of reliability in high-density electrical interconnection technology. Engineered as a critical component within YM's comprehensive Military Aviation Connector portfolio, this connector delivers uncompromising performance in extreme environments. It is specifically designed to provide secure, low-resistance connections for vital systems in aerospace, defense, and industrial automation, ensuring seamless integration with components like Aviation Pressure Sensors, Military Electronic Horns, and flight control units.

KH33K12TP2 Aviation Connector detailed front view

Technical Specifications

Model: KH33K12TP2 Aviation Connector
Contact Configuration: High-density multi-pin layout
Contact Material: Precision alloy with gold plating for superior conductivity and corrosion resistance.
Contact Resistance: Initial ≤50mΩ; After life test ≤200mΩ.
Current Rating: Rated for 1A at 28V DC resistive load.
Low-Level Signal Capability: Handles (10-50) μA at (10-50) mV for reliable signal transmission.
Dielectric Strength: 500V RMS @ 50Hz (normal pressure); 250V RMS @ 50Hz (low pressure).
Insulation Resistance: >500 MΩ (standard); >50 MΩ after high-level life testing.
Operating Temperature Range: Validated performance at 25°C, with robust design for wider operational extremes.
Sealing Performance: Maximum leakage rate ≤ 1.0 x 10⁻³ Pa·cm³/s, ensuring protection against moisture and contaminants.
Weight: Under 3 grams, optimized for weight-sensitive aerospace applications.
Compatibility: Designed for systems utilizing Aviation Temperature Sensors and Hydraulic Circuit Breakers.

Complete dimensional drawings and full parameter tables are available in our technical datasheet.

Product Features & Competitive Advantages

Military-Grade Robustness: Built to the same rigorous standards as our Military Metal Relay series, capable of enduring extreme vibration, shock, and thermal stress typical in aviation and defense operations.
Advanced Hermetic Sealing: Features superior sealing technology (≤10⁻³ Pa·cm³/s) that reliably excludes moisture, dust, and corrosive agents, making it ideal for critical systems like Aviation Oxygen Valve controls.
High-Speed, Reliable Switching: Engineered for fast response with action/release times ≤4ms, complementing the performance needs of systems using high-speed PCB Signal Relays.
Ultra-Low Power Consumption: Coil power consumption of only 0.3-0.43W enhances energy efficiency, suitable for modern platforms incorporating New Energy Relay technologies.
Exceptional Contact Integrity: Maintains stable, low contact resistance throughout its operational life of 100,000+ cycles, ensuring signal fidelity and system reliability.
Optimized Size & Weight: Compact design weighing less than 3 grams provides maximum functionality with minimal spatial and mass impact, crucial for UAV and satellite applications.

Installation & Integration Guide

Pre-Installation Verification: Inspect connector and mating surfaces for any physical damage or contamination. Verify pin alignment.
Wire Preparation & Termination: Strip wires to the recommended length. Use approved crimping tools to attach contacts, ensuring a gas-tight, secure connection.
Contact Insertion: Carefully insert the crimped contacts into the connector housing until a positive lock is engaged. Use the appropriate insertion/removal tool if required.
Connector Mating: Align the connector keyway. Gently push the plug and socket together, then rotate the coupling ring or engage the locking mechanism as designed until fully seated and secure.
Sealing System Check: Ensure all environmental seals (O-rings, gaskets) are correctly positioned and uncompromised before final assembly.
Strain Relief & Mounting: Secure the cable with the provided strain relief clamp. Mount the connector assembly using appropriate aviation-grade fasteners.
Post-Installation Testing: Conduct continuity, insulation resistance, and functional tests to validate the integrity of the connection within the larger system, which may include linked components like Aviation Cold Air Solenoid Valves.

Application Scenarios

The KH33K12TP2 is deployed in applications where electrical connection failure is not an option:

Unmanned Aerial Vehicles (UAVs): Flight control system interconnects, engine sensor interfaces, communication payload connections.
Commercial & Military Aircraft: Avionics bay wiring harnesses, cockpit display interfaces, and connections for critical subsystems such as Aviation Magnetic Valves.
Ground Defense Systems: Ruggedized electronics in vehicles, portable communication gear, and weapon system control units.
Railway Control Systems: Safety-critical signaling and brake control interconnections within railcars.
High-Reliability Industrial Equipment: Robotics, automated machinery in harsh environments, and control panels requiring the durability found in Industrial Power Relays.
Test & Measurement Interfaces: Reliable connections for ground support equipment and flight line testing apparatus.

Value Proposition for Procurement Teams

Maximized System Uptime: Proven reliability in extreme conditions reduces connection-related failures, minimizing costly downtime and maintenance in critical operations.
Reduced Total Cost of Ownership: Extended operational life (100,000+ cycles) and durability lower long-term replacement and servicing costs.
Streamlined Supply Chain: Source this high-performance connector from YM, a manufacturer with deep expertise in related components like Automotive Relays and Aviation Rocker Switches, ensuring consistency and quality.
Accelerated Compliance & Integration: The connector's design supports meeting relevant aviation (e.g., DO-160), military, and industrial standards, facilitating faster product certification for our clients.

Certifications & Compliance

The KH33K12TP2 Aviation Connector is engineered to meet or exceed the stringent performance requirements of international standards applicable to aviation, military, and railway sectors. Our manufacturing processes are governed by a certified quality management system (aligned with standards such as ISO 9001 and AS9100). We provide comprehensive technical documentation and material certifications to support our clients' qualification and regulatory compliance efforts.

Customization & OEM/ODM Services

YM offers extensive customization capabilities for the KH33K12TP2 series to meet unique application demands, leveraging our experience in developing tailored solutions for Solid State Relay integrations and other complex projects.

Custom pin counts and arrangements (power, signal, hybrid).
Special shell materials, finishes (e.g., for specific corrosion resistance), and colors.
Modified sealing levels for unique environmental challenges (e.g., deep sea, high altitude).
Custom wire lengths, terminations, and backshell designs for specific cable harnesses.
Application-specific performance testing and validation protocols.
Full OEM/ODM support, including private labeling, custom packaging, and design collaboration.

Production Process & Quality Assurance

Design & Engineering Validation: Performance is verified through CAD simulation, rapid prototyping, and rigorous environmental testing cycles.
Precision Component Manufacturing: Contacts and shells are produced using high-precision stamping, machining, and plating processes under strict controls.
Automated Assembly: Critical assembly steps are performed using automated equipment to ensure consistency, precision, and repeatability.
100% In-Line Electrical Testing: Every connector undergoes testing for contact resistance, insulation resistance, and dielectric strength.
Sealing Integrity Verification: Production batches are subject to sample testing for hermetic seal integrity using helium leak detection or equivalent methods.
Environmental Stress Screening (ESS): Sample units from each batch undergo vibration, thermal shock, and mechanical life testing.
Final Quality Audit & Traceability: A rigorous final inspection is conducted. Each product batch is assigned a unique lot number for full traceability of materials and processes.

Frequently Asked Questions (FAQ)

Q: What is the mating cycle life of the KH33K12TP2 connector?
A: The connector is designed for a minimum of 500 mating/unmating cycles while maintaining all electrical and mechanical specifications, depending on usage conditions.
Q: Is this connector suitable for high-vibration environments like engine mounts?
A: Absolutely. Its design, including the locking mechanism and robust construction, is specifically validated to withstand high levels of vibration and shock, making it suitable for engine area applications and integration with components like Military Pressure Sensors.
Q: Are the contacts removable for field servicing?
A: Yes, the contacts are typically removable using standard extraction tools, allowing for easy repair or re-wiring in the field.
Q: Can you provide connectors with different locking mechanisms (e.g., push-pull, threaded)?
A: Yes. While the standard model may feature a specific lock (e.g., bayonet), we offer customization for different locking mechanisms, including push-pull and threaded varieties, to suit your assembly and access requirements.
Q: How does the KH33K12TP2 compare to MIL-DTL-38999 series connectors?
A: The KH33K12TP2 is engineered to deliver performance that meets or exceeds key parameters of comparable MIL-spec connectors in terms of environmental sealing, electrical performance, and durability, often providing excellent value. Detailed comparison data is available upon request.
Q: Do you offer pre-assembled cable harnesses with this connector?
A: Yes, we provide value-added services including custom cable harness assembly, complete with the KH33K12TP2 connector terminated and tested, ready for installation.