JRX-9 RJ4.525.003 Military Aviation Metal Relay: Durable Replacement for Russian P3C Series
Product Overview
The JRX-9 RJ4.525.003 27V is a premium Military Metal Sealed DC Relay specifically engineered as a direct, high-reliability replacement for legacy Russian P3C series relays. This component maintains critical backward compatibility while delivering enhanced performance for military and aerospace systems. Featuring a robust hermetically sealed metal enclosure, it provides exceptional durability for Aircraft Engine controls, drone avionics, and military communication equipment where component interchangeability and reliability are paramount.
Product Features & Advantages
This relay delivers superior performance as both a direct replacement and an upgrade solution, offering distinct advantages over original P3C series components and commercial alternatives:
- Direct P3C Series Replacement: Form-fit-function compatible with Russian P3C relay series, enabling straightforward system upgrades without redesign.
- Enhanced Hermetic Sealing: Advanced metal-can sealing technology provides superior protection against moisture, dust, and contaminants compared to original designs.
- Military-Grade Durability: Engineered to withstand extreme environmental conditions including vibration (30G+), shock, and temperature extremes from -65°C to +125°C.
- Improved Performance Characteristics: Faster switching (≤4ms action/release time) and lower contact resistance (≤50mΩ initial) than many legacy components.
- Dual-Load Capability: Handles both standard power loads (1A at 28V DC) and sensitive low-level signals (10-50µA at 10-50mV) with equal reliability.
- Optimized Power Efficiency: Low coil consumption (0.3-0.43W) reduces system power burden and heat generation.
As part of YM's comprehensive Military Electromagnetic Relay portfolio, the JRX-9 shares manufacturing standards with our Aviation Latching Relay and Sealed magnetic Latching Relay series.
Technical Specifications
Complete performance parameters showing compatibility with and improvement over P3C series specifications:
Electrical Specifications
- Rated Coil Voltage: 27V DC (Standard military/aviation voltage)
- Contact Configuration: Compatible with P3C series configurations
- Contact Rating:
- Standard Resistive Load: 1A at 28V DC (100,000 cycles minimum)
- Low-Level Signal Load: 10-50 µA at 10-50 mV
- Coil Power Consumption: 0.3W to 0.43W
- Contact Resistance:
- Initial: ≤ 50 mΩ
- After Life Test: ≤ 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 Atmosphere: 500 Vr.m.s., 50Hz
- Low Pressure: 250 Vr.m.s., 50Hz
- Insulation Resistance: > 500 MΩ (initial)
Physical & Environmental Specifications
- Sealing Performance: Leakage Rate ≤ 1.0 × 10⁻³ Pa·cm³/s
- Weight: < 3 grams
- Operating Temperature: -65°C to +125°C
- Package: Military-standard metal enclosure
P3C Series Replacement Implementation Guide
Follow these steps for successful P3C series replacement:
- System Compatibility Verification: Confirm electrical parameters match original P3C specifications for your specific application.
- Physical Fit Check: Verify dimensional compatibility with existing mounting and connection interfaces.
- Electrical Interface Validation: Test coil drive circuitry compatibility and contact load matching.
- Environmental Performance Testing: Conduct application-specific environmental testing if required by system certification.
- Documentation Update: Update system documentation to reflect the replacement component specifications.
- Qualification Testing: Perform system-level testing to validate performance with the new component.
Application Scenarios
The JRX-9 RJ4.525.003 serves critical functions across multiple defense and aerospace platforms:
- Legacy Military System Upgrades: Direct replacement in Russian/Soviet-era military equipment including ground vehicles, aircraft, and naval systems.
- Aerospace Maintenance & Overhaul: Replacement component for Aircraft Engine control systems, flight instrumentation, and avionics maintenance.
- Defense Equipment Modernization: Upgrading communication systems, radar equipment, and electronic warfare platforms while maintaining compatibility.
- Industrial Control Systems: Replacement in industrial equipment originally designed with P3C series components where continued operation is essential.
- Training & Simulation Systems: Maintaining operational fidelity in training equipment that replicates legacy military systems.
Value Proposition for Procurement Teams
The JRX-9 delivers significant strategic and operational value:
- Extended Equipment Lifecycle: Enables continued operation of legacy systems by providing reliable replacement components.
- Reduced Maintenance Costs: Improved reliability over original components reduces frequency of replacement and maintenance interventions.
- Supply Chain Security: Provides alternative sourcing for components subject to geopolitical supply constraints.
- Performance Enhancement: Offers potential performance improvements over aging original components while maintaining compatibility.
- Documentation & Traceability: Full modern documentation and traceability compared to aging original components.
Certifications & Compliance
The JRX-9 is designed to meet or exceed the performance requirements of original P3C series components while incorporating modern manufacturing standards:
- Performance equivalent or superior to original P3C series specifications
- Manufactured to modern quality standards with full traceability
- Materials compliant with RoHS environmental directives
- Production under controlled quality management systems
- Compatibility with military and aerospace qualification requirements
Customization Options
YM offers tailored solutions for specific replacement and upgrade requirements:
- Voltage Variants: Custom coil voltages to match specific legacy system requirements
- Pin Configuration Modifications: Adjusted pin layouts for specific interface requirements
- Enhanced Environmental Performance: Special sealing or materials for extreme operating conditions
- Testing & Documentation: Custom testing protocols and documentation packages for qualification processes
- Marking & Identification: Custom markings to match original component identification systems
Production Process & Quality Assurance
Every JRX-9 relay undergoes rigorous manufacturing and testing processes:
- Material Selection & Verification: Components sourced from qualified suppliers with verification of material properties.
- Precision Manufacturing: Critical components manufactured to exacting tolerances using automated processes.
- Assembly in Controlled Environment: Assembly conducted under controlled conditions to prevent contamination.
- Hermetic Sealing Process: Advanced sealing techniques ensure environmental protection meets specifications.
- Comprehensive Testing: 100% electrical testing plus environmental and life testing validation.
- Final Quality Control: Visual inspection, dimensional verification, and packaging for shipment.
Comparison: JRX-9 vs Original P3C Series
Key advantages of the JRX-9 as a replacement solution:
- Improved Reliability: Modern materials and manufacturing processes enhance long-term reliability.
- Better Documentation: Complete technical documentation compared to aging original specifications.
- Supply Chain Stability: Consistent manufacturing and supply compared to sporadic availability of original components.
- Environmental Compliance: Materials compliant with modern environmental regulations.
- Technical Support: Full manufacturer support including application engineering and failure analysis.
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Frequently Asked Questions (FAQ)
Q1: Is the JRX-9 a direct drop-in replacement for all P3C series relays?
A: The JRX-9 RJ4.525.003 is designed as a form-fit-function replacement for specific P3C variants. We recommend verifying electrical and mechanical specifications against your specific P3C part number. Our technical team can provide detailed cross-reference information.
Q2: What are the main improvements over original P3C components?
A: Key improvements include enhanced hermetic sealing, improved contact materials for better reliability, modern manufacturing quality controls, and full traceability documentation. Performance parameters generally meet or exceed original specifications.
Q3: Do you provide qualification support for military system upgrades?
A: Yes, we provide technical data packages, test reports, and application support to assist with qualification of the JRX-9 in legacy system upgrade programs. This includes providing comparison data against original specifications.
Q4: Can you manufacture variants for other legacy military relay series?
A: As an experienced OEM/ODM manufacturer, YM has capability to develop replacement solutions for various legacy military components. Please consult with our engineering team with your specific requirements.
Q5: What is the typical lead time for replacement quantities?
A: Standard production lead times are 8-12 weeks for initial orders. For urgent legacy system support requirements, expedited manufacturing options may be available.
Q6: How does this compare to a Solid State Relay for modernization projects?
A: The JRX-9 maintains electromechanical compatibility for direct replacement. Solid State Relays offer different characteristics and typically require circuit redesign. The choice depends on whether the goal is direct replacement or complete system redesign.
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