Military Aviation Switch AN34-Z:
High-Reliability Switching Solution for Demanding Aerospace Applications
The AN34-Z Military Aviation Switch is a precision-engineered, ultra-reliable switching component designed for critical systems in drones, aircraft engines, and various aviation platforms. Manufactured to meet stringent military specifications, this switch ensures consistent performance in extreme environments, making it an essential component for Military Aviation Encoding Switches, engine control units, and safety-critical circuits. It embodies the high-quality standards synonymous with YM's extensive range of Military Metal Relays and Aerospace Components.
Its core advantages include exceptionally low coil power consumption, sealed construction for protection against contaminants, and a rugged design that withstands vibration, shock, and temperature variations common in aviation and Industrial Power Relay applications.
Technical Specifications
Electrical Parameters
- Coil Power Consumption: (0.3 ~ 0.43)W
- Contact Load & Life:
- Resistive: 1A, 28V DC, 1 x 10^5 cycles
- Low Level: (10~50)μA, (10~50)mV, 1 x 10^5 cycles
- Contact Resistance:
- Initial Value: ≤ 50mΩ
- After Endurance Test: ≤ 200mΩ
- Time Parameters:
- Action Time: ≤ 4ms
- Release Time: ≤ 4ms
- Incentive Pulse Width: (10～50) ms
Isolation & Environmental
- Dielectric Strength:
- At Normal Atmospheric Pressure: 500Vr.m.s., 50Hz
- At Low Pressure: 250Vr.m.s., 50Hz
- Insulation Resistance:
- At Normal Atmospheric Pressure: > 500MΩ
- After High-Level Life Test: > 50MΩ
- Weight: < 3g
- Tightness (Sealing): Leakage rate ≤ 1 x 10^-3 Pa·cm³/s
- Operating Temperature: Rated for standard aerospace temperature ranges. Specific coil voltage (Vdc) is rated at 25°C.
Product Features & Advantages
- Ultra-High Reliability: Designed for 100,000+ operation cycles, ensuring long service life in critical flight systems, complementing the durability of our Automotive Relays and PCB Signal Relays.
- Low Power Consumption: Coil consumption as low as 0.3W minimizes heat generation and system power drain, ideal for battery-sensitive UAV/drone applications.
- Military-Grade Sealing: Hermetic sealing protects internal components from moisture, dust, and corrosive agents, meeting the same rigorous standards as our Aviation Oil Sealed Valves.
- Fast Switching: Sub-4ms action and release times enable rapid system response for control and safety circuits.
- Excellent Contact Performance: Low and stable contact resistance ensures minimal voltage drop and reliable signal/power transmission.
- Lightweight & Compact: Weighing under 3 grams, it contributes to overall weight savings in aircraft systems.
- Robust Construction: Built to withstand high vibration and shock, a hallmark of YM's Military Electronic component series.
Integration & Usage Guidelines
For optimal performance and safety when integrating the AN34-Z into your aviation system, follow these key steps:
- System Compatibility Check: Verify that your control circuit's voltage and current parameters match the switch's coil specifications and contact load ratings.
- Installation: Mount the switch securely using designated points to minimize stress on the casing. Ensure proper clearance from high-heat sources.
- Wiring: Use appropriate gauge wiring. For low-level signal switching (μA/mV range), use shielded cables to prevent noise interference, similar to best practices for Aviation Pressure Sensors.
- Sealing Integrity Check: After installation in a panel or housing, verify the overall system's environmental sealing if exposed to extreme conditions.
- Functional Testing: Before final system closure, perform in-circuit tests to confirm switching action, timing, and contact integrity under expected load conditions.
Application Scenarios
The AN34-Z is engineered for precision and reliability in the most demanding applications:
- Unmanned Aerial Vehicles (UAVs/ Drones): Engine start/stop control, payload activation, and flight mode switching.
- Aircraft Engine Management: Fuel system control, ignition circuit switching, and sensor loop control within engine units.
- Avionics Systems: Used in navigation equipment, communication device power control, and as a component within Aviation Rocker Switch assemblies or custom Military Aviation Band Switch panels.
- Ground Support & Testing Equipment: Reliable switching in aviation diagnostic tools and maintenance test benches.
- Other High-Reliability Fields: Suitable for applications requiring performance comparable to high-end Solid State Relays in specific low-power signal circuits, or within safety systems alongside Hydraulic Circuit Breakers.
Value for Procurement Teams: Integrating the AN34-Z reduces long-term maintenance costs, enhances system uptime through proven reliability, and simplifies supply chain management by sourcing from a trusted manufacturer of a wide portfolio, including New Energy Relays and aviation-specific components.
Certifications & Compliance
The AN34-Z is produced in facilities adhering to stringent aerospace manufacturing standards. While specific certifications for this component are tailored to client requirements, its design and testing align with core principles of:
- MIL-SPEC performance standards for reliability and environmental resistance.
- Industry-standard protocols for quality control in aviation components.
- RoHS compliance upon request.
We work closely with clients to ensure components meet the specific qualification needs of their projects and integration platforms.
Customization Options
Understanding that standard solutions may not fit every unique aviation or defense project, YM offers tailored modifications for the AN34-Z platform:
- Termination Styles: Custom lead lengths, connector types (compatible with Military Aviation Connectors), or solder pin configurations.
- Coil Voltages: Specific DC voltage optimization for your system architecture.
- Marking & Labeling: Part number, date code, or client-specific labeling.
- Testing & Screening: Additional lot acceptance tests, burn-in procedures, or data reporting as required.
Contact our engineering team to discuss your specific customization needs.
Production & Quality Assurance Process
Every AN34-Z switch undergoes a rigorous manufacturing and inspection cycle to guarantee performance:
- Precision Manufacturing: Automated assembly of contacts, coils, and springs in a controlled environment.
- Hermetic Sealing: Critical sealing process performed with leak testing to ensure integrity.
- Electrical Testing: 100% unit testing for contact resistance, operate/release time, coil parameters, and dielectric strength.
- Environmental Sampling: Batch sampling for life cycle testing, vibration, and shock resistance per agreed specifications.
- Final Audit & Packaging: Visual inspection and secure, ESD-safe packaging for shipment.
This process mirrors the high standards applied across all YM products, from Polarized Relays to complex Aviation Cold Air Solenoid Valves.
Frequently Asked Questions (FAQ)
Q1: What is the primary advantage of the AN34-Z over a commercial-grade switch?
A1: The AN34-Z is built for extreme reliability and longevity under conditions of vibration, temperature fluctuation, and atmospheric pressure changes common in aviation. Its sealed construction and military-grade component specs far exceed typical commercial switch ratings.
Q2: Can this switch be used for both power switching and low-level signal circuits?
A2: Yes. Its specifications clearly define performance for both resistive loads (1A, 28V DC) and very low-level signals (μA/mV range), making it versatile for different circuit types within a system.
Q3: How does the sealing (leakage rate) benefit my application?
A3: The hermetic seal prevents internal corrosion and contact contamination from humidity, fuel vapors, or other airborne contaminants. This is crucial for maintaining electrical performance over the long term and in harsh environments, similar to the requirements for Aviation Oxygen Valves.
Q4: Is the weight specification critical?
A4: In aerospace and drone design, every gram counts. At under 3 grams, the AN34-Z contributes to overall weight reduction goals without compromising functionality.
Q5: Do you provide technical support for integrating this component?
A5: Absolutely. Our technical team can provide datasheets, application notes, and consultation to support your design-in process, just as we do for our PCB Board Relays and other components.
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