JRC-202MA 27V Military Aviation Relay for Drone & Aircraft Engine PCB Board - Replacement for CII 3SBC Series
Product Overview
The JRC-202MA 27V is a high-reliability Military Metal Sealing Relay specifically engineered as a direct replacement for legacy CII 3SBC series components. This Aviation DC Relay combines form-fit-function compatibility with modern manufacturing excellence, providing a reliable upgrade solution for aging aerospace systems. Designed for integration as a PCB Board Relay in drone electronics and Aircraft Engine control systems, it delivers enhanced performance while maintaining full compatibility with existing 3SBC series designs.
Product Features & Advantages
The JRC-202MA delivers enhanced performance as a modern replacement for 3SBC series components:
- Direct 3SBC Series Replacement: Form-fit-function compatible with CII 3SBC series relays for seamless system upgrades.
- Military-Grade Hermetic Sealing: Enhanced metal-can sealing provides superior environmental protection compared to aging original components.
- Improved Electrical Performance: Lower contact resistance (≤50mΩ initial) and faster switching (≤4ms) than many legacy 3SBC components.
- Dual Voltage Compatibility: Available in 12V and 27V DC coil versions to match various legacy system requirements.
- Drone-Optimized Design: PCB mounting configuration specifically suitable for drone flight control and power distribution systems.
- Enhanced Reliability: Modern materials and manufacturing processes provide extended service life over aging original components.
- Weight-Optimized: Under 3 grams for minimal impact on drone and aircraft weight budgets.
This relay is part of YM's comprehensive Military Electromagnetic Relay portfolio, sharing manufacturing standards with our Aviation Latching Relay and Sealed magnetic Latching Relay solutions.
Technical Specifications
Electrical Specifications
- Coil Voltage: 27V DC (12V variant available)
- Contact Rating: 1A at 28V DC (100,000 cycles minimum)
- Low-Level Signal: 10-50 µA at 10-50 mV
- Coil Power: 0.3W to 0.43W
- Contact Resistance: ≤50mΩ initial, ≤200mΩ after life test
Performance Characteristics
- Switching Speed: ≤4ms action/release time
- Dielectric Strength: 500 Vr.m.s. (normal), 250 Vr.m.s. (low pressure)
- Insulation Resistance: >500 MΩ initial
- Operational Life: 100,000+ cycles
Physical Specifications
- Sealing: ≤1.0×10⁻³ Pa·cm³/s leakage rate
- Weight: <3 grams
- Temperature Range: -65°C to +125°C
3SBC Series Replacement Steps
- Identify original 3SBC part number and specifications
- Verify JRC-202MA compatibility using cross-reference data
- Test samples in your specific application
- Update system documentation with new component data
- Implement full replacement with performance validation
Application Scenarios
- Legacy aircraft avionics and flight control systems
- Drone power distribution and flight controller interfaces
- Aircraft engine monitoring and control circuits
- Military communications and radar equipment
- Industrial systems originally using 3SBC series components
Value Proposition
- Extended lifecycle for legacy equipment
- Improved reliability over aging components
- Stable supply chain for obsolete parts
- Cost-effective maintenance solution
- Modern documentation and technical support
Certifications & Compliance
- Performance meets or exceeds original 3SBC specifications
- Manufactured under modern quality systems
- RoHS compliant materials
- Traceability documentation available
Customization Options
- Voltage variants for specific system requirements
- Pin configuration modifications
- Enhanced environmental sealing
- Custom testing and documentation packages
Production Process
- Material qualification and traceability
- Precision component manufacturing
- Controlled environment assembly
- Hermetic sealing process
- Comprehensive testing and validation
- Final quality verification
- Metal Sealed Military Relay JRC-202MA 27V 12V
- Military Metal Relay JRC-202MA Replace CII 3SBC series
- JRC-202MA Military Aviation Relay for Drone,Aircraft Engine PCB Board
- High quality Aviation relay for Engine,Train,Plane maintain JRC-202MA
- Metal Relay Designed for Aviation and Military Applications
- Aviation Relay with Military Grade Metal Design
- Military Aviation Relay for Drone,Aircraft Engine PCB Board
- High quality Aviation relay for Engine,Train,Plane maintain
Frequently Asked Questions
Q1: Is the JRC-202MA a direct replacement for all 3SBC series relays?
A: The JRC-202MA is designed as a form-fit-function replacement for specific 3SBC variants. Verify compatibility with your exact part number using our cross-reference data.
Q2: What are the main improvements over original 3SBC components?
A: Enhanced sealing, improved contact materials, modern manufacturing quality, and better documentation compared to aging original components.
Q3: Can this relay be used in new drone designs?
A: Yes, while designed as a replacement, the JRC-202MA offers excellent performance for new drone and aerospace applications requiring reliable PCB-mounted switching.
Q4: What support is available for system requalification?
A: We provide technical data packages, test reports, and application support to assist with requalification processes for legacy systems.
Q5: How does this compare to using a Solid State Relay for replacement?
A: The JRC-202MA maintains electromechanical compatibility for direct replacement. Solid State Relays require circuit redesign but offer different advantages for specific applications.
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