High Performance Aviation Metal 27V Relay P3C47 For Drone PCB Board
Product Overview
The P3C47 27V is a specialized Aviation DC Metal Relay designed specifically for unmanned aerial system (UAS/drone) applications requiring military-grade reliability. As a Metal Sealing Relay in the Russian P3C series, this component combines heritage design compatibility with modern manufacturing excellence. Engineered for direct integration as a PCB Board Relay, it provides robust switching for drone power distribution, payload control, and flight systems where weight, reliability, and environmental resilience are critical factors.
Product Features & Advantages
Designed specifically for drone and aerospace PCB integration, the P3C47 offers distinct advantages over commercial alternatives and specialized Aviation Latching Relay solutions:
- Drone-Optimized PCB Design: Footprint and pin configuration specifically designed for efficient PCB layout in compact drone electronics.
- Military-Grade Environmental Protection: Hermetically sealed metal construction protects against moisture, dust, and contaminants encountered in outdoor and high-altitude drone operations.
- Vibration & Shock Resilience: Engineered to withstand the specific vibration profiles of multi-rotor and fixed-wing drone platforms.
- Weight-Optimized Construction: At under 3 grams, minimizes impact on drone payload capacity and flight performance.
- High-Speed Switching: Fast action/release times (≤4ms) enable precise control of drone systems and payloads.
- Dual Load Capability: Handles both power switching (1A at 28V DC) and sensitive signal circuits (10-50µA at 10-50mV) within drone systems.
- Thermal Efficiency: Low coil power consumption (0.3-0.43W) reduces heat generation in enclosed drone electronics compartments.
This relay complements YM's comprehensive drone component portfolio, which includes specialized Solid State Relay for Drone solutions and other Electromagnetic Relay products.
Technical Specifications
Complete performance parameters for drone system integration and qualification:
Electrical Specifications
- Rated Coil Voltage: 27V DC (Standard for military/aviation drone systems)
- Contact Configuration: Compatible with P3C series standard configurations
- Contact Rating:
- Power Switching: 1A at 28V DC (100,000 cycles minimum)
- Signal Level: 10-50 µA at 10-50 mV
- Coil Power Consumption: 0.3W to 0.43W
- Contact Resistance:
- Initial: ≤ 50 mΩ
- After Life Testing: ≤ 200 mΩ
Performance Characteristics
- Switching Speed:
- Action Time: ≤ 4 milliseconds
- Release Time: ≤ 4 milliseconds
- Operational Life: Minimum 100,000 cycles at rated load
- Dielectric Strength:
- Normal Conditions: 500 Vr.m.s., 50Hz
- High Altitude/Low Pressure: 250 Vr.m.s., 50Hz
- Insulation Resistance: > 500 MΩ (initial measurement)
Physical & Environmental Specifications
- Sealing Performance: Leakage Rate ≤ 1.0 × 10⁻³ Pa·cm³/s
- Weight: < 3 grams
- Operating Temperature Range: -40°C to +85°C (extended range available)
- Package Type: Metal enclosure with PCB mounting pins
Drone System Integration Guide
Follow these steps for optimal integration into drone PCB designs:
- Power Requirements Analysis: Calculate total system power needs and ensure relay rating exceeds maximum expected loads.
- PCB Layout Optimization: Design PCB with adequate trace width for rated current and proper thermal relief patterns.
- EMI Considerations: Implement proper grounding and shielding to minimize electromagnetic interference in sensitive drone systems.
- Thermal Management Planning: Ensure adequate airflow or heat sinking, especially in enclosed drone compartments.
- Vibration Mitigation: Use proper mounting and consider additional vibration damping if required.
- System Testing Protocol: Develop testing procedures that simulate actual drone flight conditions.
Drone & UAV Application Scenarios
The P3C47 is specifically designed for these critical drone system functions:
- Power Distribution Switching: Main battery power routing, subsystem power enable/disable, and emergency power cutoff.
- Payload Control: Camera/gimbal power switching, sensor activation, and specialized payload deployment.
- Flight System Control: Redundant system switching, flight mode changes, and safety system activation.
- Communication Systems: RF module switching, antenna selection, and communication system power management.
- Military & Industrial Drones: Surveillance systems, delivery mechanisms, and specialized industrial inspection equipment.
- Aircraft Compatibility: While optimized for drones, maintains compatibility with traditional Aircraft Engine and avionics systems requiring P3C series components.
Value for Drone Manufacturers & Integrators
The P3C47 delivers specific value to drone industry professionals:
- Enhanced Reliability: Military-grade construction reduces in-flight failures and maintenance requirements.
- Weight Savings: Lightweight design preserves precious payload capacity for sensors and equipment.
- Environmental Durability: Withstands temperature variations, moisture, and vibration encountered in drone operations.
- Design Flexibility: PCB-mount design facilitates integration into compact drone electronics.
- Supply Chain Security: Reliable manufacturing source for critical drone components.
- Certification Support: Documentation and performance data to support drone system certifications.
Certifications & Compliance
The P3C47 meets relevant standards for drone and aerospace applications:
- Performance equivalent to original P3C series specifications with modern manufacturing enhancements
- Materials compliant with RoHS environmental directives
- Manufacturing processes suitable for aerospace and defense applications
- Compatibility with drone industry qualification and testing requirements
- Traceability and documentation supporting system certification processes
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Customization for Drone Applications
YM offers specialized customization for drone system requirements:
- Voltage Variants: Custom coil voltages matching specific drone power system architectures
- Pin Configuration Modifications: Adjusted layouts for specific PCB designs and space constraints
- Environmental Enhancements: Special sealing for waterproof or extreme environment drones
- Reduced Weight Options: Material and design optimizations for maximum weight savings
- Testing Protocols: Custom testing simulating specific drone flight profiles and conditions
Production & Quality Assurance
Specialized manufacturing processes for drone-grade components:
- Material Selection: Components selected for optimal strength-to-weight ratios
- Precision Manufacturing: Automated processes ensuring consistency in high-volume production
- Cleanroom Assembly: Assembly in controlled environments to prevent contamination
- Hermetic Sealing: Advanced sealing techniques for environmental protection
- Rigorous Testing: Electrical, environmental, and life testing validating drone application suitability
- Final Inspection: Comprehensive quality verification before shipment
Comparative Advantages for Drone Applications
The P3C47 offers specific benefits over alternative drone switching solutions:
- vs. Standard PCB Relays: Superior environmental protection and vibration resistance compared to commercial PCB Board Relays
- vs. Automotive Relays: Weight-optimized design unlike heavier Automotive Relay components
- vs. Solid State Relays: Lower conduction losses and galvanic isolation advantages over some Solid State Relay solutions
- vs. New Energy Relays: Specific optimization for drone rather than general New Energy Relay applications
- Heritage Compatibility: Maintains compatibility with existing P3C series designs while offering modern improvements
Frequently Asked Questions (FAQ)
Q1: Is the P3C47 specifically designed for drone applications?
A: Yes, while maintaining compatibility with the P3C series heritage, this variant has been optimized for drone PCB integration with considerations for weight, vibration resistance, and environmental protection specific to UAV operations.
Q2: How does this relay compare to MOSFET switches for drone power distribution?
A: The P3C47 offers true galvanic isolation and lower conduction losses at higher currents compared to MOSFET solutions. While MOSFETs excel in high-frequency switching, relays provide reliability and isolation advantages for main power distribution in drones.
Q3: Can this relay handle the vibration levels in multi-rotor drones?
A: Yes, the P3C47 is specifically tested and validated for the vibration profiles typical of multi-rotor and fixed-wing drone platforms, exceeding the requirements for standard commercial relays.
Q4: What is the advantage of using a military-grade relay in commercial drones?
A: Military-grade construction provides enhanced reliability, environmental resistance, and longevity—critical factors for commercial drones used in demanding applications like industrial inspection, delivery, or extended surveillance missions.
Q5: Do you offer technical support for drone system integration?
A: Yes, our engineering team provides application support for integrating the P3C47 into specific drone designs, including PCB layout recommendations and system compatibility analysis.
Q6: What testing data is available for drone-specific conditions?
A: We provide test reports covering vibration profiles, temperature cycling, altitude testing, and operational life data relevant to drone operating conditions to support your qualification processes.
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