MS3116F14-12PW | 12-Pin MIL-DTL-26482 Series I Plug with Strain Relief & W-Key (Size 14)
The MS3116F14-12PW is a size 14 MIL-DTL-26482 Series I straight plug with 12 pin contacts and W orientation. Features “F” class environmental sealing and integrated strain relief.
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MS3116F14-12PW Efficiency of Coded Interconnects in Multi-Interface Grids
The MS3116F14-12PW is a high-precision straight plug designed for specialized electronic grids that require a compact yet high-density interface with advanced polarization features. Utilizing the size 14 aluminum alloy shell, this connector facilitates twelve independent conductive paths through its 12-pin insert arrangement. The inclusion of the W-keying position is a critical technical refinement, as it allows engineers to differentiate between multiple identical size 14 connectors on a single control panel. By utilizing an alternate rotational position, the MS3116F14-12PW acts as a critical physical firewall, preventing cross-mating and ensuring that sensitive telemetry and command signals are routed through the correct conductive channels.
Key Specifications
Shell Material | Voltage Rating | Current Rating | Operating Temp | Ingress Protection | Mating Cycles | Keying & Polarization | Coupling |
|---|---|---|---|---|---|---|---|
Aluminum alloy | ~1000 VAC | ~23 A | -65 °C to +200 °C | IP67 | 500 | N | quick bayonet coupling |
Tactical Environmental Defense and F-Class Protection
The “F” class designation of the MS3116F14-12PW signifies a superior environmental construction that combines internal precision sealing with external mechanical reinforcement. This model incorporates an advanced interfacial seal and a high-grade rear wire-sealing grommet designed to block the ingress of moisture, fine particulates, and chemical vapors. The integral strain relief clamp provides a secondary layer of protection by securing the cable jacket firmly, preventing environmental contaminants from creeping into the contact area through the rear of the connector. The aluminum housing is treated with olive drab cadmium plating, ensuring long-term resistance to corrosion and oxidation in salt-heavy or high-humidity operational zones.
Integrated Strain Relief and Mechanical Resilience
A defining technical feature of the MS3116F14-12PW is its integrated cable clamp backshell, which serves as a critical stress-reduction mechanism for terminated wiring. In environments where equipment is frequently deployed or cables are subject to accidental pulling, twisting, and dragging, the strain relief clamp absorbs the physical tension. This ensures that the mechanical load is not transferred to the delicate solder or crimp joints at the pin interface, significantly reducing the risk of fatigue-related failures or catastrophic signal loss. For field-deployed communication arrays and mobile industrial machinery, the structural security provided by the “F” backshell is a vital factor in maintaining consistent system uptime.
Precision Pin Fidelity and 14-12 Layout Performance
Within the size 14 housing, the MS3116F14-12PW employs twelve Size 20 pin contacts, offering a reliable interface for a variety of digital and low-level analog signal sets. These pins are precision-machined from copper alloy and finished with high-grade gold plating to maintain an ultra-low-resistance electrical path throughout the equipment’s lifespan. The gold plating protects the contact surfaces from environmental degradation and mechanical wear during repeated mating cycles, ensuring signal purity for sensitive command loops and data networks. The high-performance dielectric insert provides exceptional insulation resistance between the twelve channels, preventing electrical crosstalk and leakage in mission-critical grids.
Rapid Bayonet Coupling and Shielding Integrity
The MS3116F14-12PW utilizes a three-point bayonet coupling system, allowing for rapid and secure mating with a simple partial turn of the coupling nut. This mechanical interface provides tactile and audible confirmation that the connection is fully locked, which is essential for rapid assembly in high-stress or low-visibility field conditions. Furthermore, the conductive nature of the cadmium-plated aluminum shell provides essential EMI and RFI shielding, protecting the twelve signal lines from external electromagnetic interference. This combination of physical durability, specialized W-keying, and electrical isolation makes the MS3116F14-12PW a dependable choice for ruggedized mobile environments where signal integrity and error-proof mating are paramount.
FAQ
What does the "W" stand for in MS3116F14-12PW?
What does the "W" stand for in MS3116F14-12PW?
The “W” denotes an alternate keying or rotation position for the insert, which is used to prevent accidental cross-mating when multiple connectors of the same size and layout are used in the same system.
What are the benefits of the "F" class backshell?
What are the benefits of the "F" class backshell?
The “F” class backshell provides dual protection: it includes a grommet for environmental sealing and a mechanical clamp for cable strain relief to prevent damage to the contacts.
Is the MS3116F14-12PW compatible with any MS3112 receptacle?
Is the MS3116F14-12PW compatible with any MS3112 receptacle?
It is compatible with any MIL-DTL-26482 Series I receptacle of shell size 14 and layout 12, provided that the receptacle also utilizes the “W” keying position.
How many contacts does this specific model provide?
How many contacts does this specific model provide?
This model features twelve Size 20 pin contacts, offering high-density signal transmission within a mid-sized aluminum housing.
What is the standard finish for the shell?
What is the standard finish for the shell?
The standard finish is olive drab cadmium over electroless nickel, providing a highly durable surface that is resistant to corrosion and conductive for EMI shielding.
Certification
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