Military Aviation Metal Relay JMW-270MA 27V

Product Overview

The JMW-270MA is a premium Military Metal Sealing Relay in compact TO-5 packaging, engineered as a dual-compatibility replacement for both Teledyne 422 and Deutsch TL series components. This advanced Aviation DC Relay features industry-standard TO-5 metal can packaging with DPDT 2C configuration, making it ideal for space-constrained aerospace applications. As a precision Military Electromagnetic Relay with 27VDC operation, it delivers reliable switching performance in critical flight control and engine management systems. Manufactured by YM with 18+ years of specialized expertise, this DPDT 8Pin 27V Relay in TO-5 format provides enhanced reliability and availability for systems designed with these industry-standard components.

Product Images

Technical Specifications

• Package Type: TO-5 Metal Can (Industry Standard)
• Contact Configuration: DPDT (Double Pole Double Throw) 2C
• Rated Coil Voltage: 27VDC Standard
• Contact Rating: 1A @ 28VDC Resistive Load
• Coil Power Consumption: 0.3-0.43W
• Low Level Contact Capacity: (10-50)μA, (10-50)mV, 1×10⁶ operations
• Contact Resistance: Initial ≤50mΩ; After life test ≤200mΩ
• Operate/Release Time: ≤4ms each (≤3ms typical)
• Dielectric Strength: 500Vr.m.s. @ normal pressure; 250Vr.m.s. @ low pressure
• Insulation Resistance: >500MΩ normal; >50MΩ post high-level life test
• Weight: <3g
• Package Sealing: Hermetic TO-5 metal can; Leakage rate ≤10⁻³ Pa·cm³/s
• Pin Count: 8-pin configuration (standard TO-5 layout)
• Operating Temperature: -65°C to +125°C
• Dual Replacement For: Teledyne 422 series AND Deutsch TL series

Key Features & Advantages

1. Industry-Standard TO-5 Packaging: Compact metal can package with proven reliability and excellent thermal characteristics for high-density applications.
2. Dual Manufacturer Compatibility: Single component replaces both Teledyne 422 and Deutsch TL series, simplifying inventory for mixed-system operators.
3. Enhanced Thermal Performance: TO-5 metal can provides superior heat dissipation compared to plastic packages, improving reliability in high-temperature environments.
4. Standardized Footprint: Industry-standard 8-pin TO-5 layout ensures compatibility with existing PCB designs and automated assembly equipment.
5. Military-Grade Reliability: Full hermetic sealing and SUS304/316 stainless steel construction withstand extreme environmental conditions.
6. Optimized PCB Board Relay Integration: TO-5 package designed for excellent solderability and mechanical stability in vibration-prone applications.

Application Scenarios

This standardized Military Metal Relay is engineered for space-constrained aerospace systems:

• High-Density Avionics: Flight control computers, navigation systems, and communication equipment with limited board space
• Miniature Drone Systems: Compact flight controllers, payload management, and sensor interfaces in small UAVs
• Aircraft Engine Controls: Engine management units, fuel system controls, and auxiliary power management
• Satellite Electronics: Space-constrained satellite systems requiring reliable switching in minimal package size
• Portable Military Equipment: Man-portable communication systems, surveillance equipment, and field deployable electronics
• Mixed-System Maintenance: Direct replacement in both Teledyne 422 and Deutsch TL based legacy systems

Installation & Integration Steps

1. System Identification: Determine whether replacing Teledyne 422 or Deutsch TL components.
2. Package Verification: Confirm TO-5 package dimensions match existing PCB footprint.
3. Pin Configuration Check: Verify 8-pin layout aligns with existing Teledyne/Deutsch circuit design.
4. Component Removal: Carefully desolder existing TO-5 relay using appropriate temperature profile.
5. Pad Preparation: Clean PCB pads thoroughly and ensure proper solderability for TO-5 package.
6. Orientation Alignment: Align JMW-270MA with correct pin 1 orientation (typically marked by tab or notch).
7. TO-5 Soldering: Use appropriate soldering technique for metal can packages to ensure thermal management.
8. Post-Installation Inspection: Verify proper seating and solder joint quality for all 8 pins.

Procurement Value Proposition

• Inventory Consolidation: One TO-5 relay supports two different manufacturer series, reducing spare parts complexity.
• Space Optimization: Compact TO-5 package enables high-density PCB designs without sacrificing reliability.
• Manufacturing Efficiency: Standardized package compatible with automated TO-5 assembly equipment and processes.
• Thermal Performance: Metal can construction provides superior heat dissipation compared to plastic alternatives.
• Lifecycle Support: Continued availability for legacy systems where original components may be discontinued.
• Metal Sealed Military Relay JMW-270MA
• Military Metal Relay JMW-270MA TO-5 Replace of  Teledyne 422
• Military Relay DPDT 2C  JMW-270MA Replace of Deutsch TL
• JMW-270MA 27V Military Aviation Relay for Drone Aircraft Engine PCB Board 
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• 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

Certifications & Compliance

• CE and UL certified components and materials
• Compliant with MIL-PRF-6106 military relay specifications
• SGS-audited manufacturing processes and quality systems
• RoHS compliant materials and production methods
• ISO 9001:2015 certified quality management system
• TO-5 package standards per JEDEC and relevant industry specifications

Customization Options

While optimized for dual compatibility, YM offers comprehensive TO-5 customization:

• Alternative coil voltages (5V, 12V, 24V, 48VDC) in TO-5 package
• Custom pin configurations for specialized TO-5 applications
• Modified contact ratings or switching characteristics
• Enhanced sealing for specific environmental requirements
• Special testing and screening for extreme temperature applications
• Private labeling and manufacturer-compatible documentation

Our expertise spans Automotive Relay, Industrial Power Relay, and PCB Signal Relay technologies, with extensive experience in TO-5 and other standardized package formats.

Quality Assurance Process

Every JMW-270MA undergoes rigorous 7-stage quality verification:

1. Incoming material certification for TO-5 can and internal components
2. Precision TO-5 package assembly with automated optical inspection
3. Hermetic sealing verification with helium leak testing
4. Electrical performance testing across full temperature range
5. Mechanical integrity testing of TO-5 package and pins
6. Thermal cycling to verify TO-5 package reliability
7. Dual compatibility verification with Teledyne 422 and Deutsch TL specifications

Frequently Asked Questions