Military DC Relay JRW-130MA TO-5 Power 0.13W For Aircraft Application: Replacement for Teledyne 431 Series
Product Overview
The JRW-130MA TO-5 is a specialized Military DC Relay engineered for low-power aerospace applications, featuring ultra-low coil power consumption of only 0.13W. This Aviation Metal DPST Relay serves as a direct replacement for legacy Teledyne 431 series components while offering enhanced efficiency and modern reliability. Designed specifically for power-sensitive Aircraft Engine control systems, avionics, and drone electronics, it combines heritage compatibility with contemporary energy-efficient design in a military-grade TO-5 package.
Product Features & Advantages
The JRW-130MA delivers exceptional low-power performance while maintaining full Teledyne 431 compatibility:
- Ultra-Low Power Consumption: Only 0.13W coil power, significantly reducing system power requirements and heat generation.
- Direct 431 Series Replacement: Form-fit-function compatible with Teledyne 431 relays for seamless system upgrades.
- Military-Grade Hermetic Sealing: TO-5 metal-can sealing provides superior environmental protection for aerospace applications.
- DPST Configuration: Double Pole Single Throw design for dual-circuit control in power-efficient applications.
- Enhanced Efficiency: Optimized magnetic circuit design maximizes switching performance while minimizing power draw.
- Dual Load Capability: Maintains ability to handle standard power loads (1A at 28V DC) and sensitive low-level signals.
- Weight-Optimized Design: Under 3 grams for weight-sensitive aerospace applications.
This low-power 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 (431 series compatible)
- Coil Power: 0.13W (ultra-low consumption)
- Contact Configuration: DPST
- Contact Rating: 1A at 28V DC (100,000+ cycles)
- Signal Level: 10-50 µA at 10-50 mV
- 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
- 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
Low-Power System Integration
- Verify power budget compatibility with 0.13W coil requirement
- Design drive circuitry optimized for low-current operation
- Ensure proper PCB layout for heat dissipation in enclosed systems
- Test relay performance under actual system power conditions
- Validate compatibility with existing 431 series interfaces
Application Scenarios
- Battery-powered aircraft and drone systems
- Aircraft engine monitoring with power constraints
- Avionics systems with strict power budgets
- Portable military communication equipment
- Energy-efficient industrial control systems
- Legacy systems originally using Teledyne 431 components
Value Proposition
- Reduced system power consumption and heat generation
- Extended battery life in portable applications
- Enhanced reliability through modern manufacturing
- Stable supply chain for obsolete Teledyne components
- Improved efficiency over aging original components
Certifications & Compliance
- Performance meets/exceeds original 431 specifications
- Low-power operation validated through testing
- Manufactured under modern quality systems
- RoHS compliant materials
- Traceability documentation available
Customization Options
- Voltage variants for specific low-power requirements
- Enhanced low-power performance optimization
- Special sealing for extreme environments
- Custom testing for power-sensitive applications
- Marking to match original component identification
Production Process
- Material selection for low-power efficiency
- Precision TO-5 component manufacturing
- Optimized coil winding for 0.13W operation
- Hermetic sealing process
- Comprehensive electrical and power testing
- Final quality verification
Power Efficiency Advantages
- 70% lower power consumption than standard military relays
- Reduced thermal load in enclosed systems
- Extended operational time for battery-powered equipment
- Compatible with modern energy-efficient system designs
- Maintains full performance despite lower power draw
Frequently Asked Questions
Q1: How does 0.13W power consumption benefit aircraft systems?
A: Lower power consumption reduces system heat generation, extends battery life in emergency systems, and allows more efficient power distribution in Aircraft Electrical Systems.
Q2: Is the JRW-130MA compatible with all Teledyne 431 variants?
A: Designed as a form-fit-function replacement for specific 431 DPST variants. Verify compatibility with your exact part number using our cross-reference data.
Q3: Can this relay handle the same loads as standard power relays?
A: Yes, the JRW-130MA maintains the same 1A, 28V DC contact rating as standard relays while operating at much lower coil power.
Q4: How does low power consumption affect switching speed?
A: Through optimized magnetic design, the JRW-130MA achieves ≤4ms switching times despite the low power draw, maintaining performance parity with higher-power relays.
Q5: Is this suitable for new energy-efficient designs?
A: Absolutely. While designed as a replacement, the JRW-130MA is ideal for new aircraft and drone systems requiring both heritage compatibility and modern energy efficiency.
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