Military Grade Metal 1A 27VDC Relay JRW-220MA TO-5: Replacement for Teledyne 114 Series
Product Overview
The JRW-220MA TO-5 is a premium Military Grade Metal Relay specifically engineered as a direct replacement for legacy Teledyne 114 series components. This Military Aviation Metal DPDT Relay combines heritage compatibility with modern manufacturing excellence, providing a reliable upgrade solution for aging aerospace systems. Rated for 1A at 27VDC in a military-grade TO-5 package, it serves as an ideal alternative for Aircraft Engine controls, drone electronics, and critical applications originally designed with Teledyne 114 series relays.
Product Features & Advantages
The JRW-220MA delivers enhanced performance while maintaining full Teledyne 114 compatibility:
- Direct 114 Series Replacement: Form-fit-function compatible with Teledyne 114 DPDT relays for seamless system upgrades.
- DPDT Dual-Circuit Switching: DPDT 8Pin 27V Relay configuration enables control of two independent circuits.
- Military-Grade Hermetic Sealing: TO-5 metal-can sealing provides superior environmental protection.
- 1A 27VDC Rated Performance: Reliable switching capability for standard aerospace power requirements.
- Enhanced Electrical Characteristics: Lower contact resistance (≤50mΩ) and fast switching (≤4ms).
- Dual Load Capability: Handles both power loads (1A at 28V DC) and sensitive signals (10-50µA at 10-50mV).
- Weight-Optimized Design: Under 3 grams for weight-sensitive aerospace applications.
This DPDT relay complements YM's Military Electromagnetic Relay portfolio, sharing standards with our Aviation Latching Relay and Sealed magnetic Latching Relay solutions.
Technical Specifications
Electrical Specifications
- Coil Voltage: 27V DC (114 series compatible)
- Contact Configuration: DPDT (8-pin)
- Contact Rating: 1A at 28V DC (100,000+ cycles)
- Signal Level: 10-50 µA at 10-50 mV
- Coil Power: 0.3-0.43W
- 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 per pole
Physical Specifications
- Package: TO-5 metal can
- Sealing: ≤1.0×10⁻³ Pa·cm³/s leakage rate
- Weight: <3 grams
- Temperature Range: -65°C to +125°C
Replacement Implementation Steps
- Identify original Teledyne 114 part number and specifications
- Verify JRW-220MA compatibility using cross-reference data
- Test samples in your specific application
- Update system documentation with new component data
- Implement full replacement with DPDT functionality validation
Application Scenarios
- Legacy aircraft avionics and flight control systems
- Drone dual-circuit power distribution
- Aircraft engine redundant control circuits
- Military communications with dual-channel switching
- Test equipment requiring DPDT functionality
- Industrial systems originally using 114 series components
Value Proposition
- Extended lifecycle for Teledyne 114-based equipment
- DPDT functionality reduces component count
- Enhanced reliability with modern manufacturing
- Stable supply chain for obsolete components
- Modern documentation and technical support
Certifications & Compliance
- Performance meets/exceeds original 114 specifications
- Manufactured under modern quality systems
- RoHS compliant materials
- Traceability documentation available
- DPDT performance validation testing
Customization Options
- Voltage variants for specific system requirements
- Pin configuration modifications
- Enhanced environmental sealing
- Custom DPDT testing protocols
- Marking to match original identification
- Metal Sealed Military Relay JRW-220MA TO-5
- Military Aviation Metal DPDT Relay JRW-220MA TO-5
- Aviation DC Metal DC Relay JRW-220 MA TO-5 Replace Of Relay Teledyne 114 Series
- Military Grade Metal Relay JRW-220 MA TO-5 As Teledyne 114 Alternative
- Aviation Relay for Drone,Aircraft Engine
- High quality Aviation Engine,Train,Plane.
Production Process
- Material qualification and traceability
- Precision DPDT component manufacturing
- Controlled environment assembly
- Hermetic sealing process
- Comprehensive dual-circuit testing
- Final quality verification
DPDT Advantages
- Reduces component count vs multiple SPST relays
- Synchronized switching between circuits
- Simplified PCB layout and wiring
- Enhanced system reliability
- Space savings in compact designs
Frequently Asked Questions
Q1: Is the JRW-220MA compatible with all Teledyne 114 variants?
A: Designed as a form-fit-function replacement for specific 114 DPDT variants. Verify compatibility with your exact part number using our cross-reference data.
Q2: Can both DPDT poles operate at 1A simultaneously?
A: Yes, both poles are rated for simultaneous 1A operation. Consider thermal management for continuous maximum load conditions.
Q3: How does this compare to using two separate SPST relays?
A: The DPDT design offers synchronized switching, reduced component count, simplified wiring, and guaranteed performance matching between poles.
Q4: What documentation supports replacement qualification?
A: We provide technical data packages, test reports comparing performance to original specifications, and compatibility documentation.
Q5: Can this relay be used in new designs as well as replacements?
A: Yes, the JRW-220MA offers excellent performance for new aerospace applications requiring reliable DPDT switching in a TO-5 package.
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