Aviation Switch C30950E for Precision Aerospace Applications
Product Overview
The YM Aviation Switch C30950E represents the pinnacle of precision switching technology for demanding aerospace and defense systems. Engineered for exceptional reliability and accuracy, this micro switch is designed to deliver consistent performance in critical flight control, navigation, and instrumentation circuits. As part of YM's specialized Aviation Microswitch series, it complements our comprehensive range of Aerospace Components, including Military Aviation Connectors, Aviation Pressure Sensors, and High Power Aviation Contactors.
This switch is built to meet the rigorous demands of modern aviation, where precision, durability, and signal integrity are non-negotiable. Its ultra-lightweight design and high-cycle life make it an ideal choice for weight-sensitive and reliability-critical applications across commercial, military, and UAV platforms.
Technical Specifications
The C30950E's performance is defined by exacting parameters that ensure reliability in aerospace environments.
- Electrical Characteristics:
- Coil Power Consumption: (0.3 ~ 0.43)W
- Contact Load & Electrical Life:
- Resistive Load: 1A, 28V DC, Rated for 10 million operations
- Low-Level Load: (10~50)μA, (10~50)mV, Rated for 10 million operations
- Contact Resistance:
- Initial Value: ≤50mΩ
- After Endurance Test: ≤200mΩ
- Switching Performance:
- Action Time: ≤4ms
- Release Time: ≤4ms
- Incentive Pulse Width: (10～50) ms
- Isolation & Environmental Robustness:
- Dielectric Strength:
- At Normal Atmospheric Pressure: 500V RMS, 50Hz
- At Low Pressure (High Altitude): 250V RMS, 50Hz
- Insulation Resistance:
- Initial: >500MΩ
- After High-Level Life Test: >50MΩ
- Sealing Performance (Hermeticity): Leakage Rate ≤1 x 10-3 Pa·cm³/s
- Physical Properties:
- Weight: <3 grams
- Operating Temperature: Rated for 25°C (77°F) standard, with options for extended ranges.
Product Features & Advantages
- Ultra-Precise & Repeatable Actuation: Engineered for precise mechanical actuation points and consistent electrical response, crucial for feedback systems in flight controls and landing gear, matching the reliability of our Military Pressure Sensors.
- Extended Service Life: Rated for 10 million cycles at full load, this switch significantly reduces maintenance intervals and total lifecycle costs, offering longevity comparable to our Metal Sealing Relays.
- Superior Environmental Sealing: Features advanced sealing technology with a leakage rate ≤10-3 Pa·cm³/s, providing robust protection against moisture, dust, and contaminants, similar to the protection in Aviation Oil Sealed Valves.
- High-Speed Switching: Fast action and release times (≤4ms) ensure immediate system response, which is vital for real-time avionics and safety-critical circuits.
- Exceptional Signal Integrity: Exceptionally low initial contact resistance (≤50mΩ) minimizes power loss and voltage drop, ensuring accurate signal transmission for sensitive instrumentation.
- Aerospace-Optimized Design: The ultra-lightweight (<3g) construction and robust materials withstand extreme vibration, shock, and temperature fluctuations common in aerospace applications.
Installation & Integration Guidelines
To ensure optimal performance of the C30950E switch, follow these key integration steps:
- Application Verification: Confirm the switch's electrical ratings (28V DC, 1A) and mechanical actuation type are suitable for your specific circuit, whether interfacing with a PCB Signal Relay or a control unit directly.
- Mechanical Mounting: Securely mount the switch using the provided brackets or mounting holes. Ensure the actuator is correctly aligned with the triggering mechanism without pre-load stress.
- Electrical Connection: Solder or crimp wires to the terminals following aviation-grade wiring practices (e.g., IPC-WHMA-A-620). Ensure connections are secure and insulated.
- Sealing Integrity Check: If installed in a sealed enclosure or panel, verify the mating surfaces are clean to maintain the switch's own hermetic seal performance.
- Functional Testing: Perform in-situ operational tests to verify the actuation point, electrical continuity, and release characteristics meet the system requirements.
Application Scenarios
The C30950E is deployed in numerous critical aerospace systems where precision and reliability are paramount.
- Flight Control System Feedback: Used as limit switches for flap, slat, and rudder position indication, providing precise feedback to the flight computer.
- Landing Gear & Door Sequencing: Monitors the locked/unlocked status of landing gear and bay doors, ensuring safe deployment and retraction sequences.
- Engine Monitoring Systems: Acts as a sensor or interlock in engine bleed air valves or accessory gearbox systems, often working in conjunction with Aviation Temperature Sensors.
- Cockpit Control Panels: Provides tactile feedback and reliable switching in overhead panels and console selectors for various aircraft systems.
- Unmanned Aerial Vehicles (UAVs) & Missiles: Ideal for compact, lightweight guidance system actuation and safety arming circuits due to its minimal weight and high reliability.
Procurement Value: Sourcing the C30950E from YM, a manufacturer of a broad component ecosystem including Industrial Power Relays and Aviation Contactors, streamlines your supply chain, ensures component interoperability knowledge, and guarantees a consistent standard of aerospace-grade quality, reducing integration risk and long-term operational costs.
Certifications & Compliance
YM manufactures the C30950E to the highest industry standards, ensuring global acceptance and reliability.
- Designed and tested to meet relevant performance criteria of MIL-SPEC and RTCA/DO-160 standards for environmental conditions.
- Production facilities are compliant with ISO 9001:2015 Quality Management Systems and AS9100 Aerospace Standards.
- Materials comply with RoHS and REACH directives.
- Specific product certifications (e.g., CE) are available upon request based on customer and project requirements.
Customization Options
We understand standard parts may require adaptation. YM offers flexible customization for the C30950E series:
- Actuator Type & Length: Custom lever, roller, or pin plunger actuators to suit specific mechanical interfaces.
- Electrical Terminations: Options for PCB pins, wire leads of specified length/gauge, or connectorized interfaces.
- Operating Force & Travel: Tuned actuation force and pre-travel/overtravel to match precise mechanical requirements.
- Special Environmental Coatings: Conformal coating or specific material finishes for enhanced corrosion resistance in unique operational environments.
Production Process & Quality Assurance
Every C30950E switch undergoes a rigorous, multi-stage manufacturing and verification process:
- Precision Component Fabrication: Critical parts are manufactured using high-tolerance stamping and machining processes.
- Clean Room Assembly (Key Stages): Core assembly of contacts and springs is performed in controlled environments to ensure purity and precision.
- Automated Laser Welding/Sealing: For hermetically sealed units, advanced laser welding ensures a perfect, reliable seal.
- 100% Automated Electrical Testing: Every single switch is tested for contact resistance, insulation resistance, operate/release time, and dielectric strength.
- Batch Environmental & Life Testing: Statistical batches undergo rigorous vibration, thermal shock, and life-cycle endurance testing to validate design robustness.
Frequently Asked Questions (FAQ)
- Q: What defines a "precision" aviation switch like the C30950E?
A: "Precision" refers to its highly repeatable actuation point (mechanical consistency), low and stable contact resistance (electrical consistency), and its ability to maintain these characteristics over millions of cycles and under harsh environmental conditions. - Q: Is this switch suitable for both commercial and military aircraft?
A: Yes. The C30950E is designed to meet the stringent requirements of both sectors. Its construction and testing protocols align with standards recognized across the aerospace industry. It shares the durable pedigree of our Military Metal Relays.
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