Military Metal Sealed 27V DC Relay JRW-111MA TO-5: Replacement for Teledyne 411D Series
Product Overview
The JRW-111MA TO-5 is a high-performance Military Metal Sealed DC Relay engineered as a direct replacement for legacy Teledyne 411D series components. This Aviation DPST Relay combines form-fit-function compatibility with modern manufacturing excellence, providing a reliable upgrade solution for aging aerospace systems. With its military-grade TO-5 metal package, enhanced hermetic sealing, and acceleration tolerance up to 50g, it serves as an ideal replacement for Aircraft Engine controls, drone electronics, and other critical applications originally designed with Teledyne 411 series components.
Product Features & Advantages
The JRW-111MA delivers enhanced performance while maintaining full Teledyne 411D compatibility:
- Direct 411D Series Replacement: Form-fit-function compatible with Teledyne 411D relays for seamless system upgrades.
- High Acceleration Tolerance: Withstands up to 50g acceleration, suitable for extreme vibration environments.
- Military-Grade Hermetic Sealing: TO-5 metal-can sealing provides superior environmental protection.
- DPST Configuration: Double Pole Single Throw design for dual-circuit control applications.
- Enhanced Electrical Performance: Lower contact resistance (≤50mΩ initial) and fast switching (≤4ms).
- Dual Load Capability: Handles power loads (1A at 28V DC) and sensitive signals (10-50µA at 10-50mV).
- Weight-Optimized Design: Under 3 grams for aerospace weight-sensitive applications.
This 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 (411D compatible)
- Contact Configuration: DPST
- 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
- Acceleration Tolerance: Up to 50g
- 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
- 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 411D part number and specifications
- Verify JRW-111MA compatibility using cross-reference data
- Test samples in your specific application environment
- Update system documentation with new component data
- Implement full replacement with vibration/acceleration testing
Application Scenarios
- High-vibration aircraft and helicopter systems
- Drone flight control and power distribution
- Aircraft engine monitoring with vibration exposure
- Military vehicles and ground equipment
- Test equipment requiring high acceleration tolerance
- Industrial systems originally using 411D components
Value Proposition
- Extended lifecycle for vibration-prone legacy systems
- Enhanced acceleration tolerance over original components
- Stable supply chain for obsolete Teledyne parts
- Modern manufacturing with improved reliability
- Comprehensive technical documentation and support
Certifications & Compliance
- Performance meets/exceeds original 411D specifications
- Vibration testing to 50g acceleration
- Manufactured under modern quality systems
- RoHS compliant materials
- Traceability documentation available
Customization Options
- Voltage variants for specific system requirements
- Enhanced vibration/acceleration testing
- Special sealing for extreme environments
- Custom testing and documentation packages
- Marking to match original identification
- Metal Sealed Military Relay JRW-111MA TO-5
- Military Metal Sealed DC Relay JRW-111MA TO-5 Replace Of Teledyne 411D
- Aviation DPST Relay With Military Grade Quality JRW-111MA TO-5
- Smart DC Relay JRW-111MA TO-5 With acceleration Speed 50g
- 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
Production Process
- Material qualification for high-vibration applications
- Precision TO-5 component manufacturing
- Vibration-resistant assembly processes
- Hermetic sealing for environmental protection
- Comprehensive electrical and vibration testing
- Final quality verification
Key Advantages
- 50g acceleration tolerance for extreme environments
- Enhanced sealing vs aging original components
- Modern materials and manufacturing processes
- Complete technical documentation
- Reliable supply chain for legacy system support
Frequently Asked Questions
Q1: What does 50g acceleration tolerance mean?
A: The relay can withstand acceleration forces up to 50 times gravity, making it suitable for high-vibration environments like aircraft engines, helicopters, and military vehicles.
Q2: Is the JRW-111MA compatible with all Teledyne 411D variants?
A: Designed as a form-fit-function replacement for specific 411D DPST variants. Verify compatibility with your exact part number using our cross-reference data.
Q3: How does this compare to original components in vibration environments?
A: The JRW-111MA offers enhanced acceleration tolerance (50g) and modern construction better suited for demanding vibration conditions than aging original components.
Q4: Can this relay be used in new high-vibration designs?
A: Yes, while designed as a replacement, the JRW-111MA offers excellent performance for new applications requiring high vibration tolerance in a TO-5 package.
Q5: What testing data is available for vibration performance?
A: We provide test reports covering acceleration testing up to 50g, vibration profiles, and performance validation under simulated operating conditions.
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