YF6A-43ZJ or TK Separation (Breakaway) Electrical Connector

YF6A-43ZJ/TK Separation (Breakaway) Electrical Connector | Dual Separation with Triple Protection & Dual Bus Integration (1553B + CAN)​​​​​​​

The YF6A‑43ZJ/TK Separation Connector series represents the most advanced integration of data bus technologies in a single, rugged separation interface. Featuring 43 gold‑plated Φ1.0 contacts rated at 5 A (≤5 mΩ), this connector uniquely supports both MIL‑STD‑1553B and CAN bus protocols alongside conventional low‑frequency circuits—eliminating the need for multiple separate data connectors in complex aerospace and defense systems. The receptacle is engineered with triple protection: fireproof, dustproof, and corrosion‑resistant, ensuring survival in the most extreme operational environments. With dual mechanical and electromagnetic separation, hybrid termination (crimp for high‑frequency, solder for low‑frequency), calibrated 28–88 N separation force, and proven resistance to severe vibration and shock, the YF6A‑43 is the ultimate choice for launch vehicles, aircraft pylons, naval combat systems, and any application requiring integrated dual‑bus capability with redundant release and environmental protection.

Product Descriptions from the Supplier

The YF6A‑43ZJ/TK Separation (Breakaway) Electrical Connector is a state‑of‑the‑art interconnect solution engineered for applications requiring both MIL‑STD‑1553B and CAN bus data transmission alongside conventional signal circuits, all within a single, triple‑protected separation interface. Fully compliant with enterprise standard Q/21EJ275, this connector features 43 solder‑terminated (low‑frequency) Φ1.0 contacts rated at 5 A each with an exceptionally low maximum contact resistance of 5 mΩ, plus integrated high‑frequency contacts configured for both 1553B and CAN bus protocols.

The defining features of this series include:

• Triple-Protected Receptacle: Fireproof, dustproof, and corrosion‑resistant—designed for the harshest operational environments
• Dual Bus Integration: Simultaneous support for MIL‑STD‑1553B and CAN bus protocols, eliminating separate data connectors
• Dual Separation Capability:
  • Mechanical separation via calibrated breakaway force (28–88 N)
  • Electromagnetic separation using an integrated solenoid, activated by a 23–31 V DC pulse (≥200 ms) with separation occurring in ≤0.1 s (maximum energizing time ≤5 s)
• Hybrid Termination: Crimp termination for high‑frequency contacts (controlled impedance for bus signals); solder termination for low‑frequency contacts (field serviceability)

This dual‑mode redundancy ensures positive release whether commanded electronically or via mechanical force, critical for space launch, weapon systems, and emergency jettison scenarios.

All contacts are terminated via the appropriate method for each signal type. The connector operates from -55 °C to +125 °C and survives severe dynamic conditions: random vibration of 0.3 G²/Hz (20 Grms), sinusoidal vibration of 150 m/s², shock of 735 m/s², and constant acceleration of 30 g. With a mechanical life of 500 mating cycles, these connectors are suitable for ground testing and operational reuse.

Dielectric withstanding voltage is 1000 V AC rms at sea level, derated to 500 V under humidity and 150 V at low pressure (1 kPa). Control wires for electromagnetic components are rated at 650 V AC rms to shell. Insulation resistance for signal contacts exceeds 1000 MΩ at room temperature, ≥500 MΩ at high temperature, and ≥20 MΩ after humidity testing. Electromagnetic components maintain ≥100 MΩ at room temperature, ≥50 MΩ at high temperature, and ≥10 MΩ after humidity.

Available in two configurations:

• YF6A‑43TK: Plug (cable‑attached half) with socket contacts
• YF6A‑43ZJ: Receptacle (panel‑mount half) with pin contacts (fireproof/dustproof/corrosion‑resistant)

Typical applications include launch vehicle umbilicals with dual redundant data buses, aircraft external store interfaces, naval combat systems, and any application requiring integrated dual‑bus capability with redundant separation and triple environmental protection.

Specifications

Applications

• Launch Vehicles: Umbilical disconnects with redundant data bus architectures (1553B + CAN).
• Aircraft: External store separation with smart weapon interfaces requiring multiple data protocols.
• Naval Systems: Combat system connections requiring dual redundant data buses and corrosion protection.
• Missile Systems: Canister launch interfaces with integrated dual-bus guidance.
• Spacecraft: Stage separation with redundant telemetry and command data buses.
• Industrial: High-reliability disconnects in harsh environments requiring data redundancy.

Functionality

• Dual Bus Integration: Simultaneous support for MIL-STD-1553B and CAN bus protocols—eliminates separate data connectors.
• Triple-Protected Receptacle: Fireproof, dustproof, and corrosion-resistant for extreme environments.
• Dual Separation Modes: Mechanical (28–88 N) and electromagnetic (≤0.1 s, 23–31 V DC) for maximum reliability.
• Hybrid Termination: Crimp for HF (controlled impedance for bus signals), solder for LF (field serviceability).
• Ultra-Low Contact Resistance: ≤5 mΩ for all signal contacts ensures minimal signal loss.
• Controlled Electromagnetic Release: Fast response with limited energizing time to prevent coil damage.
• Environmental Robustness: Withstands extreme temperature, vibration, shock, and acceleration.
• High Contact Density: 43 circuits in a single separation interface.

Key Features

• Dual Data Bus Integration: Unique capability supporting both 1553B and CAN bus in one connector—unmatched in the industry.
• Triple Environmental Protection: Fireproof, dustproof, and corrosion-resistant receptacle.
• Dual Redundant Separation: Mechanical and electromagnetic modes ensure release even if one system fails.
• Ultra-Low Contact Resistance: ≤5 mΩ ensures excellent signal integrity.
• Hybrid Termination Optimization: Best method for each signal type—crimp for high-frequency, solder for low-frequency.
• Aerospace‑Grade Qualification: Tested to rigorous vibration, shock, and acceleration standards.
• 500‑Cycle Life: Suitable for ground testing and multiple mission uses.
• Wide Temperature Range: -55 °C to +125 °C suits harsh environments.
• High Insulation Resistance: ≥1000 MΩ at room temperature ensures signal integrity.

Custom Design

The YF6A‑43 platform can be adapted to meet unique mission requirements:

• Custom HF/LF Contact Mix: Adjust the quantity of 1553B and CAN bus contacts vs. standard signal contacts.
• Separation Force Adjustment: Modify mechanical breakaway force for specific release requirements.
• Electromagnetic Parameters: Tailor voltage, current, or response time for different control systems.
• Enhanced Environmental Protection: Higher levels of fire, dust, or corrosion resistance available.
• Special Materials: Select shell finishes for enhanced performance.
• Cable Assembly Integration: Complete harness solutions with hybrid terminations and overmolding.
• Non‑Standard Testing: Additional screening for high‑reliability programs.

Why Choose MXTD

At MXTD, we specialize in separation connectors that integrate advanced multi‑bus capabilities with the highest levels of environmental protection. The YF6A‑43 series exemplifies our engineering excellence—combining MIL‑STD‑1553B and CAN bus integration, triple‑protected receptacle (fire/dust/corrosion), dual mechanical and electromagnetic separation, and 43‑contact density with ultra‑low contact resistance (≤5 mΩ) in a single, field‑proven package. Manufactured under strict enterprise standard Q/21EJ275, each YF6A‑43 undergoes comprehensive testing including separation force verification, electromagnetic timing validation, environmental sealing qualification, and contact resistance measurement. Our team brings decades of experience in aerospace and naval separation systems, working closely with customers to ensure that every interface meets the unique demands of the mission—especially when multiple data protocols and extreme environmental protection are required. When you choose MXTD, you're partnering with a dedicated team focused on the success of your program, from prototype to production.

FAQ

Q: What makes the YF6A‑43 unique among separation connectors?
A: It is the only connector to integrate both MIL‑STD‑1553B and CAN bus protocols with triple‑protected receptacle (fireproof/dustproof/corrosion‑resistant) and dual separation modes—unmatched in capability for complex aerospace and defense applications.

Q: What are the two separation modes?
A: Mechanical separation via calibrated breakaway force (28–88 N) and electromagnetic separation via 23–31 V DC pulse (≤0.1 s response).

Q: What data buses are supported?
A: Both MIL‑STD‑1553B and CAN bus protocols are supported through integrated high-frequency contacts.

Q: What environmental protection does the receptacle offer?
A: The receptacle is fireproof, dustproof, and corrosion‑resistant—designed for the harshest operational environments.

Q: What is the contact resistance for signal contacts?
A: ≤5 mΩ—exceptionally low for excellent signal integrity.

Q: How many contacts are there, and what are their ratings?
A: 43 total Φ1.0 contacts rated at 5 A each (≤5 mΩ), with a configurable mix of low‑frequency, 1553B, and CAN bus contacts.

Q: What termination methods are used?
A: Hybrid termination: high‑frequency (1553B/CAN) contacts are crimp‑terminated for controlled impedance; low‑frequency contacts are solder‑terminated for field serviceability.

Q: What is the electromagnetic separation voltage and time?
A: 23–31 V DC pulse (≥200 ms), separation in ≤0.1 s, with maximum energizing time ≤5 s.

Q: What vibration and shock levels can it withstand?
A: Random vibration 0.3 G²/Hz (20 Grms), sinusoidal 150 m/s², shock 735 m/s², acceleration 30 g.

Q: What is the operating temperature range?
A: -55°C to +125°C.

Q: What is the difference between YF6A‑43TK and YF6A‑43ZJ?
A: YF6A‑43TK is the plug (cable‑attached half) with socket contacts; YF6A‑43ZJ is the receptacle (panel‑mount half) with pin contacts and triple environmental protection.

Q: What is the insulation resistance after humidity testing?
A: Signal contacts ≥20 MΩ; electromagnetic components ≥10 MΩ.

Q: Do you provide mating connectors?
A: Yes, both plug and receptacle versions are available. Please specify your configuration and desired HF/LF contact mix (including 1553B and CAN bus quantities) when ordering.

Contact Us

Ready to integrate a dual‑bus separation connector with triple environmental protection into your next‑generation aerospace or defense system? Our technical experts are standing by to discuss your specific application requirements and recommend the optimal YF6A‑43 configuration—from 1553B/CAN contact mix to separation force, electromagnetic parameters, and custom testing.

Whether you need standard units for immediate deployment or custom‑engineered solutions for next‑generation systems, we're here to help you achieve your mission objectives.

Reach out to our team today: manager04@mxtdinfo.com

Let us show you how our YF6A‑43 series separation connectors can deliver integrated dual‑bus performance with unmatched environmental protection and redundant release.