Reliable DPDT Metal 27V Relay 1JT10-1II12 with Sealing Feature for Aerospace Use
Product Overview
The 1JT10-1II12 is a high-reliability DPDT 8Pin 27V Relay specifically engineered for demanding aerospace and military applications. Featuring advanced hermetic sealing technology and Military Grade Metal Design, this relay provides dual-circuit switching capability with exceptional environmental protection. Designed for integration in Aircraft Engine control systems, drone flight electronics, and critical aerospace applications, the 1JT10-1II12 delivers reliable performance where component failure is not an option.
Product Features & Advantages
The 1JT10-1II12 combines DPDT functionality with military-grade construction, offering distinct advantages for complex aerospace switching requirements:
- Advanced Hermetic Sealing Technology: Military-grade metal-can sealing provides complete protection against moisture, dust, salt spray, and other environmental contaminants, ensuring reliable operation in extreme conditions.
- DPDT Dual-Circuit Switching: DPDT 8Pin 27V Relay configuration enables control of two independent circuits with synchronized operation, reducing component count in complex systems.
- Military-Grade Environmental Resilience: Engineered to withstand severe vibration (30G+), mechanical shock, and temperature extremes from -65°C to +125°C.
- High-Speed Dual Switching: Fast action/release times (≤4ms) for both poles ensure precise control in time-critical aerospace applications.
- Dual-Mode Operational Capability: Each pole independently handles both power loads (1A at 28V DC) and sensitive signal circuits (10-50µA at 10-50mV).
- Optimized Power Efficiency: Low coil power consumption (0.3-0.43W) reduces thermal load in enclosed aerospace systems.
- Lightweight Aerospace Design: Weight under 3 grams minimizes impact on critical weight budgets in aircraft and drone applications.
- Enhanced Reliability Features: Gold-flashed contacts, reinforced internal structure, and premium materials ensure extended service life.
This relay is part of YM's comprehensive Military Metal Sealing Relay portfolio, manufactured to the same rigorous standards as our Aviation Latching Relay and Sealed magnetic Latching Relay product lines.
Technical Specifications
Complete performance parameters for aerospace system integration and qualification:
Electrical Specifications
- Rated Coil Voltage: 27V DC (Standard aerospace/military voltage)
- Contact Configuration: DPDT (Double Pole Double Throw) - 8 pin configuration
- Contact Rating (per pole):
- Standard Resistive Load: 1A at 28V DC (minimum 100,000 cycles)
- Low-Level Signal Load: 10-50 µA at 10-50 mV
- Coil Power Consumption: 0.3W to 0.43W
- Contact Resistance (per pole):
- Initial Value: ≤ 50 mΩ
- After Life Testing: ≤ 200 mΩ
Performance Characteristics
- Switching Speed (both poles):
- Action Time: ≤ 4 milliseconds
- Release Time: ≤ 4 milliseconds
- Operational Life: Minimum 100,000 cycles at rated load per pole
- Dielectric Strength:
- Normal Atmospheric Conditions: 500 Vr.m.s., 50Hz
- Low Pressure/High Altitude: 250 Vr.m.s., 50Hz
- Insulation Resistance: > 500 MΩ (initial measurement between poles and coil)
- Pole-to-Pole Isolation: Enhanced isolation between DPDT circuits for critical applications
Physical & Environmental Specifications
- Sealing Performance: Leakage Rate ≤ 1.0 × 10⁻³ Pa·cm³/s (hermetic seal)
- Weight: < 3 grams
- Operating Temperature Range: -65°C to +125°C (standard aerospace grade)
- Package Type: Military-standard metal enclosure with 8-pin configuration
- Vibration Resistance: 30G operational, 50G survival (10-2000Hz per MIL-STD-810)
Aerospace System Integration Guidelines
For optimal performance with the 1JT10-1II12 DPDT relay, follow these implementation steps:
- Circuit Design Analysis: Evaluate switching requirements to maximize DPDT capabilities for circuit simplification, redundancy, or complex switching patterns.
- PCB Layout Planning: Design PCB with proper 8-pin spacing, adequate trace widths for dual circuits, and consideration for thermal management.
- Coil Drive Circuit Design: Implement appropriate drive circuitry with protection elements (flyback diodes/TVS) for reliable coil operation.
- Thermal Management Strategy: Account for potential heat generation when both poles operate simultaneously at high loads in enclosed aerospace systems.
- EMI/EMC Considerations: Implement proper grounding, shielding, and layout techniques to minimize electromagnetic interference in sensitive aerospace electronics.
- System Testing Protocol: Develop comprehensive testing to verify both poles' operation under expected aerospace conditions including temperature, vibration, and altitude variations.
Aerospace Application Scenarios
The 1JT10-1II12's DPDT configuration and sealing features make it ideal for these critical aerospace applications:
- Aircraft Redundant Control Systems: Dual-circuit control for redundant flight control systems, backup instrumentation, and fail-safe switching in commercial and military aircraft.
- Drone/UAV Flight Electronics: Complex switching in drone flight controllers, dual payload control, redundant power distribution, and mode switching systems.
- Aircraft Engine Management: Dual-sensor switching, redundant control circuits, and monitoring systems in Aircraft Engine controls.
- Avionics Test Equipment: Signal routing, mode switching, and test pattern generation in aircraft maintenance and testing systems.
- Military Communications Systems: Simultaneous switching of transmit/receive circuits, encryption mode selection, and redundant communication paths.
- Satellite & Spacecraft Electronics: Where standard PCB Signal Relay solutions lack the required environmental protection or dual-circuit capability.
Value Proposition for Aerospace Procurement
The 1JT10-1II12 delivers significant advantages to aerospace and defense programs:
- System Simplification: DPDT configuration reduces component count by replacing multiple SPST relays, simplifying system design and reducing failure points.
- Enhanced Reliability: Military-grade hermetic sealing and construction ensure dependable operation in critical aerospace systems.
- Weight & Space Optimization: Single DPDT component replaces multiple switches, optimizing weight and space in aircraft and drone systems.
- Synchronized Switching: Guaranteed timing alignment between poles enables precise control of complex switching sequences.
- Reduced Qualification Complexity: Single qualified component versus multiple individual switches simplifies system certification processes.
- Lifecycle Cost Reduction: Extended service life and reduced component count lower total ownership costs over system lifecycle.
Certifications & Compliance
The 1JT10-1II12 is designed to meet rigorous aerospace and military standards:
- Performance compliant with relevant sections of MIL-PRF-6106 for established reliability electromagnetic relays
- Environmental testing per MIL-STD-810 methods for vibration, shock, and temperature performance
- Sealing performance meeting aerospace hermetic sealing requirements
- Materials compliance with RoHS and outgassing requirements for aerospace applications
- Manufacturing processes suitable for aerospace and defense applications with full traceability
- Documentation supporting aircraft and aerospace system qualification processes
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Customization for Aerospace Programs
YM offers tailored solutions for specific aerospace requirements:
- Voltage Variants: Custom coil voltages for specific aircraft or spacecraft power systems
- Contact Material Options: Special contact materials for specific load types or extended life requirements
- Enhanced Sealing: Special sealing configurations for extreme altitude or space applications
- Additional Testing & Screening: Custom testing protocols including extended burn-in, thermal vacuum testing, or radiation testing
- Aerospace Documentation Packages: Tailored technical data packages for specific aircraft or spacecraft qualification requirements
- Lot Traceability Enhancements: Enhanced traceability documentation for critical aerospace applications
Production Process & Quality Assurance
Each 1JT10-1II12 relay undergoes specialized aerospace manufacturing and testing:
- Aerospace Material Qualification: All materials selected and qualified for aerospace applications with full traceability.
- Precision DPDT Manufacturing: Dual contact systems manufactured to exacting tolerances for synchronized operation.
- Controlled Environment Assembly: Assembly in cleanroom conditions (Class 100,000 or better) ensuring contamination-free construction.
- Aerospace Hermetic Sealing: Advanced laser welding in inert atmosphere achieving specified leak rates for aerospace applications.
- Comprehensive Dual-Circuit Testing: 100% testing of both poles including timing synchronization, contact resistance, and isolation verification.
- Final Aerospace Qualification: Complete inspection, performance validation, and documentation for aerospace release.
DPDT Advantages for Aerospace Systems
The 1JT10-1II12 provides specific benefits for aerospace applications:
- vs. Multiple SPST Relays: Reduced component count (50% fewer relays), simplified wiring, guaranteed synchronization, and reduced qualification complexity.
- vs. Solid State Relay Arrays: True galvanic isolation on both circuits, lower conduction losses, and inherent surge tolerance without heat sinking requirements.
- vs. Standard PCB Board Relay: Military-grade hermetic sealing, enhanced vibration resistance, and aerospace temperature range capability.
- vs. Commercial DPDT Relays: Aerospace-grade materials, extended temperature range, and validated performance under aerospace environmental conditions.
- Circuit Design Flexibility: Enables complex switching patterns including cross-connection, dual redundant control, and synchronized multi-function switching.
Frequently Asked Questions (FAQ)
Q1: Can both poles of the DPDT relay operate simultaneously at full rated current?
A: Yes, both poles are rated for simultaneous operation at the full 1A, 28V DC load. For continuous operation at maximum ratings, thermal management should be considered, especially in enclosed aerospace systems with limited heat dissipation.
Q2: What is the advantage of hermetic sealing for aerospace applications?
A: Hermetic sealing prevents moisture ingress during altitude changes, protects against contaminants in aircraft environments, and ensures reliable operation throughout the extended temperature cycles encountered in aerospace applications. It's essential for high-altitude and space applications.
Q3: How does the 1JT10-1II12 compare to using two separate PCB Signal Relay components?
A: The integrated DPDT design offers synchronized switching, reduced PCB footprint, simplified drive circuitry, and guaranteed performance matching between poles. It also reduces interconnection points that could become failure sources in aerospace systems.
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