D38999/24WJ19SN | 19-гнездная гнездовая гайка серии III (размер 25)
The D38999/24WJ19SN is a size 25 MIL-DTL-38999 Series III jam nut receptacle with 19 heavy-duty socket contacts. Features “W” olive drab cadmium finish and “N” polarization for high-power grids.
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D38999/24WJ19SN Heavy-Duty Power Consolidation in Size 25 Architectures
Он D38999/24WJ19SN is a high-performance interconnect solution designed for specialized electronic grids that require a centralized hub for substantial power distribution. Utilizing the size 25 aluminum alloy shell, which represents the largest physical footprint in the Series III standard, this receptacle facilitates nineteen independent conductive channels through its 25-19 insert arrangement. Each of the nineteen Size 12 socket contacts is designed to manage high-amperage current loads, making this model an essential component for primary battery interfaces, power management systems, and heavy-duty actuator controls in tactical ground vehicles and large-scale aerospace platforms.
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 | A | резьбовая муфта |
Tactical Environmental Defense and Grounding Efficiency
The “W” class finish of the D38999/24WJ19SN features an olive drab cadmium plating applied over an electroless nickel underplate, creating a multi-layered defense against atmospheric degradation and chemical exposure. This finish is specifically certified for 500 hours of continuous salt spray, ensuring long-term operational integrity in maritime or tropical tactical zones. Beyond its corrosion-resistant properties, the cadmium finish is highly conductive, allowing the large shell to act as a critical extension of the equipment ground. This ensures high-performance EMI and RFI shielding for the nineteen internal power lines, protecting sensitive digital subsystems from electromagnetic interference in dense electronic clusters.
Universal N-Keying and Standardized Intermateability
Он D38999/24WJ19SN utilizes the standard “N” (Normal) polarization keyway, which is the most widely adopted indexing configuration in global aerospace and defense programs. This ensures maximum intermateability with any standard-issue Series III plug of the same size and arrangement, facilitating seamless integration into international supply chains. The triple-start threaded coupling mechanism provides a self-locking connection that is inherently resistant to loosening under severe harmonic vibration. This standardized indexing logic ensures that the D38999/24WJ19SN delivers a predictable and reliable mating experience for technicians during rapid field maintenance and initial assembly cycles.
Precision Socket Fidelity and 25-19 Layout Reliability
Within the large size 25 housing, the D38999/24WJ19SN employs nineteen Size 12 socket contacts, providing a secure female interface that is highly resistant to mechanical shock and thermal expansion. These contacts 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 service life. The high-performance dielectric insert ensures that each of the nineteen channels is electrically isolated, maintaining high insulation resistance even under rapid pressure changes or high humidity. This ensures that the heavy-duty power grid remains free from short circuits and electrical leakage in unpressurized compartments.
Mechanical Stability and Single-Hole Mounting Efficiency
The structural reliability of the D38999/24WJ19SN is enhanced by its Type 24 jam nut design, which allows for a secure and permanent single-hole mounting on equipment panels. This mounting style is particularly efficient for larger size 25 shells, as it provides a high-torque mechanical connection that can withstand the weight and tension of heavy-gauge 19-wire cable harnesses. Furthermore, the 100% scoop-proof shell architecture ensures that the nineteen socket contacts are recessed deeply enough to prevent any damage if the mating plug is misaligned during the connection process. This combination of structural rigidity and modular serviceability makes the D38999/24WJ19SN a durable solution for the most demanding electronic grids.
Часто задаваемые вопросы
How many contacts are provided in the D38999/24WJ19SN?
How many contacts are provided in the D38999/24WJ19SN?
The 25-19 layout features nineteen independent conductive channels using large Size 12 socket contacts, optimized for high-current power distribution and signal transmission.
What are the advantages of the Jam Nut (Type 24) mounting style?
What are the advantages of the Jam Nut (Type 24) mounting style?
Jam nut mounting simplifies panel preparation by requiring only a single hole, and it provides a secure, high-torque attachment that is ideal for large-scale connectors supporting heavy wiring bundles.
Does the Olive Drab Cadmium (W) finish help with EMI shielding?
Does the Olive Drab Cadmium (W) finish help with EMI shielding?
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 D38999/24WJ19SN compatible with standard Series III plugs?
Is the D38999/24WJ19SN compatible with standard Series III plugs?
Absolutely. As long as the mating plug is size 25, has the 19 layout, and uses standard “N” polarization, it will be fully intermateable with this receptacle.
Сможет ли этот разъем выдерживать высокую вибрацию в аэрокосмической отрасли?
Сможет ли этот разъем выдерживать высокую вибрацию в аэрокосмической отрасли?
Yes, the self-locking triple-start threads and the secure jam nut mounting are specifically engineered to maintain electrical and mechanical integrity under extreme vibration and shock conditions.
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