D38999/26WF35PN | 66-контактный алюминиевый прямой штекер серии III (размер 19)
The D38999/26WF35PN is a size 19 MIL-DTL-38999 Series III aluminum plug with 66 pin contacts. Features “W” olive drab cadmium finish and “N” polarization for high-density grids.
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D38999/26WF35PN High-Density Signal Integration in Aerospace Grids
Он D38999/26WF35PN is a precision-engineered interconnect solution designed for specialized electronic grids that require a massive volume of data channels within a compact physical envelope. Utilizing the size 19 aluminum alloy shell, this plug facilitates sixty-six independent conductive channels through its 19-35 high-density insert arrangement. This configuration is essential for modern avionic suites and centralized data processing units where multiple sensor feeds and communication bus signals must be consolidated. By housing sixty-six Size 22D pin contacts in a mid-sized shell, the D38999/26WF35PN allows engineers to achieve extreme port density without compromising the aerodynamic or structural constraints of the host platform.
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 |
Тактическая защита от воздействия окружающей среды и проводимость оболочки
The “W” class finish of the D38999/26WF35PN represents a high-strength aluminum alloy housing treated with olive drab cadmium over an electroless nickel underplate. This multi-layered defense system is specifically engineered for the most aggressive field environments, providing a certified 500-hour salt spray rating. Beyond its superior corrosion resistance, the cadmium finish is highly conductive, allowing the plug shell to act as a critical extension of the cable shield. This ensures high-performance EMI and RFI shielding for the sixty-six internal signal lines, protecting them from electromagnetic interference in dense electronic clusters and near high-power radar installations.
Self-Locking Triple-Start Threads and Vibration Resistance
Как Серия III straight plug, the D38999/26WF35PN features a triple-start threaded coupling mechanism with an integrated self-locking ratchet. This design facilitates a rapid and secure connection with only one full turn of the coupling nut, providing tactile and audible confirmation of a complete mate. The internal decoupling spring ensures that the connector remains locked even under severe harmonic vibration and mechanical shock typical of aerospace engine bays or heavy armored vehicle operations. This mechanical stability ensures constant electrical continuity across all sixty-six channels, preventing intermittent signal loss during critical mission phases.
Precision Contact Fidelity and 19-35 Layout Integrity
Within the size 19 housing, the D38999/26WF35PN employs sixty-six Size 22D pin contacts, providing a high-fidelity interface for precision digital and analog signals. These pins 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 high-performance dielectric insert ensures that each of the sixty-six signal paths is electrically isolated, maintaining high insulation resistance even under rapid pressure changes or high humidity. This ensures that the dense signal grid remains free from crosstalk and electrical leakage, providing the reliability required for mission-critical command systems.
Механическая защита и надежность при техническом обслуживании в полевых условиях.
The structural reliability of the D38999/26WF35PN is further enhanced by its 100% scoop-proof shell architecture. This design ensures that the sixty-six pin contacts are recessed deeply enough within the housing to prevent any bending or damage if the mating receptacle is misaligned or tilted during the connection process. For long-term field support, the plug utilizes a rear-release crimp contact system, allowing maintenance technicians to install or replace individual pins using standard military tools without disassembling the entire unit. This combination of physical protection and modular serviceability ensures the D38999/26WF35PN provides a low total cost of ownership for high-density digital grids.
Часто задаваемые вопросы
How many contacts are provided in the D38999/26WF35PN?
How many contacts are provided in the D38999/26WF35PN?
The 19-35 layout provides sixty-six independent conductive channels using high-density Size 22D pin contacts, offering maximum signal capacity for a size 19 shell.
What are the benefits of the triple-start threaded coupling?
What are the benefits of the triple-start threaded coupling?
The triple-start threads allow for rapid mating with a single 360-degree turn and include a self-locking mechanism that prevents decoupling under high-vibration conditions.
Обеспечивает ли покрытие цвета «оливково-зеленый кадмий» экранирование от электромагнитных помех?
Обеспечивает ли покрытие цвета «оливково-зеленый кадмий» экранирование от электромагнитных помех?
Yes, the “W” finish is highly conductive and works with the internal grounding fingers to provide 360-degree EMI/RFI protection for the internal signal grid.
Is the D38999/26WF35PN compatible with standard Series III receptacles?
Is the D38999/26WF35PN compatible with standard Series III receptacles?
Безусловно. Если ответная розетка имеет размер 19, компоновку 35 и использует стандартную поляризацию “N”, она будет полностью совместима с этой вилкой.
Can this connector handle aerospace vacuum environments?
Can this connector handle aerospace vacuum environments?
Yes, the Series III design and materials are rated for use in unpressurized compartments and space-simulated environments, provided appropriate wire sealing is maintained.
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