D38999/24WB5PCN | 5-контактный разъем для печатной платы серии III с контргайкой (размер 11)
The D38999/24WB5PCN is a size 11 MIL-DTL-38999 Series III jam nut receptacle with 5 pin PCB contacts. Features “W” olive drab cadmium finish and “N” polarization for precision grids.
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D38999/24WB5PCN Streamlined Jam Nut Design for Compact Board Integration
Он D38999/24WB5PCN is a specialized interconnect solution designed for advanced electronic grids where internal volume and panel real estate are severely limited. Utilizing the Type 24 jam nut mounting configuration, this receptacle requires only a single D-shaped cutout in the equipment bulkhead, offering a more efficient installation process compared to four-hole flange models. The core advantage of this model is its integrated PC tail contacts, which allow the connector to be soldered directly to a printed circuit board (PCB). This direct-to-board architecture completely eliminates the need for internal wiring harnesses, reducing both system weight and the potential for manual wiring errors in compact avionics or handheld tactical devices.
Основные характеристики
Материал оболочки | Номинальное напряжение | Текущий рейтинг | Рабочая температура | Степень защиты от проникновения влаги и пыли | Циклы спаривания | Ключевая модуляция и поляризация | Соединение |
|---|---|---|---|---|---|---|---|
Алюминиевый сплав | ~1000 В переменного тока | ~23 А | от -65 °C до +200 °C | IP67 | 500 | N | резьбовая муфта |
Tactical Environmental Shielding and High Conductivity
Финиш в классе “W” D38999/24WB5PCN consists of a high-strength aluminum alloy shell treated with olive drab cadmium over an electroless nickel underplate. This multi-layered coating is the military benchmark for aggressive field environments, providing a certified 500-hour salt spray rating. Beyond its superior corrosion resistance, the cadmium layer is highly conductive, ensuring an excellent low-impedance ground path between the shell and the equipment chassis. This conductivity is vital for maintaining effective EMI and RFI shielding, protecting the five internal signal lines from electromagnetic interference in dense electronic clusters or near high-frequency radio equipment.
Universal N-Keying and Standardized Intermateability
The D38999/24WB5PCN utilizes the standard “N” (Normal) polarization keyway, ensuring maximum intermateability with any standard-issue Series III plug of the same shell size and layout. For engineers designing global hardware platforms, the “N” indexing provides a predictable and reliable mating experience, facilitating easy integration into international aerospace and defense supply chains. The triple-start threaded coupling mechanism provides a self-locking connection that is inherently resistant to loosening under severe harmonic vibration. This ensures that the 5-pin interface remains securely engaged, providing constant electrical continuity even during the high-stress phases of flight or off-road vehicle operations.
Precision Signal Fidelity and 11-05 Layout Density
Within the size 11 housing, the D38999/24WB5PCN employs the 11-05 insert arrangement, providing five independent conductive channels using Size 20 pin contacts. These PC tail contacts are precision-machined from copper alloy and finished with high-grade gold plating to maintain a low-resistance electrical interface throughout the equipment’s service life. The five-pin configuration is ideal for balanced signal sets, such as differential data pairs with an auxiliary ground or power line. The high-performance dielectric insert ensures superior insulation resistance, preventing electrical leakage between channels even in unpressurized aerospace compartments subject to rapid temperature fluctuations.
Mechanical Stability and Solder Joint Protection
The structural reliability of the D38999/24WB5PCN is enhanced by its robust jam nut mounting, which provides a high-torque connection to the equipment panel. This mechanical stability is critical for preventing the transfer of mating forces to the delicate PCB solder joints, ensuring long-term electrical integrity and preventing fatigue-related failures. Furthermore, the 100% scoop-proof shell architecture ensures that the five delicate PCB pins are recessed deeply enough within the housing to prevent any damage if the mating plug is misaligned during the connection process. This combination of mechanical robustness and board-level precision makes the D38999/24WB5PCN a future-proof solution for ruggedized digital grids.
Часто задаваемые вопросы
What are the benefits of the jam nut (Type 24) mount?
What are the benefits of the jam nut (Type 24) mount?
Jam nut mounting requires only a single hole in the panel, simplifying the machining process and allowing for higher density connector placement on equipment bulkheads.
How many signal channels does the D38999/24WB5PCN support?
How many signal channels does the D38999/24WB5PCN support?
The 11-05 layout provides five independent conductive channels using Size 20 pin contacts, offering a versatile interface for mixed signal and low-power needs.
Can this connector be soldered directly to a circuit board?
Can this connector be soldered directly to a circuit board?
Yes, the “C” in the part number indicates PC tail contacts, which are specifically designed for direct through-hole soldering on a PCB, eliminating the need for internal wires.
Обеспечивает ли покрытие цвета «оливково-зеленый кадмий» экранирование от электромагнитных помех?
Обеспечивает ли покрытие цвета «оливково-зеленый кадмий» экранирование от электромагнитных помех?
Да, покрытие в форме буквы “W” обладает высокой проводимостью, обеспечивая надежный низкоимпедансный путь заземления между корпусом и шасси для превосходного подавления электромагнитных помех.
Is the D38999/24WB5PCN vibration resistant?
Is the D38999/24WB5PCN vibration resistant?
Absolutely. The self-locking triple-start threads and the secure jam nut mounting are specifically engineered to maintain electrical and mechanical integrity under extreme vibration levels.
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