D38999/26WB35SN | 13-контактная вилка серии III MIL-DTL-38999 (размер 11/B) – оливково-зеленый кадмий
The D38999/26WB35SN is a size 11 (B) MIL-DTL-38999 Series III straight plug with 13 socket contacts. Features an olive drab cadmium finish and a high-performance triple-start threaded coupling.
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D38999/26WB35SN Efficiency of High-Density Signal Integration in Series III Grids
Он D38999/26WB35SN is a premium interconnect solution designed for specialized electronic grids that require the maximum concentration of data paths within a compact, high-reliability interface. Utilizing the size 11 aluminum alloy shell, this Series III straight plug facilitates thirteen independent conductive paths through its ultra-high-density 11-35 insert arrangement. This layout is a cornerstone for advanced avionics and tactical computer networks where thirteen Size 22D socket contacts provide the necessary density for massive signal telemetry and digital logic loops. By offering a robust yet compact housing, the D38999/26WB35SN ensures a high level of functional integration for modern mobile systems that demand immense data throughput in limited spaces.
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 | B | резьбовая муфта |
Тактические преимущества кадмия цвета «зеленый хаки» и защиты класса W.
The “W” class designation of the D38999/26WB35SN refers to its olive drab cadmium plating over an electroless nickel underplate, providing a superior conductive and corrosive-resistant surface for mission-critical hardware. This specific treatment ensures exceptional shell-to-shell conductivity, which is essential for maintaining effective EMI and RFI shielding integrity in environments saturated with electromagnetic noise. Beyond its electrical properties, the olive drab coating offers world-class resistance to salt spray and high-humidity oxidation, protecting the aluminum housing in the most aggressive maritime and combat conditions. This finish makes the D38999/26WB35SN a primary choice for external aerospace subsystems where environmental survival and shielding are non-negotiable requirements.
Triple-Start Threaded Coupling and Vibration Resilience
A defining technical feature of the D38999/26WB35SN is its integration of the Series III triple-start threaded coupling mechanism. Unlike older bayonet systems, this robust threaded interface provides a secure, self-locking connection that is inherently resistant to decoupling under extreme harmonic vibration and high-intensity physical shock. The coupling nut features an anti-decoupling ratchet mechanism that ensures the connector remains fully mated even in the presence of severe structural resonance common in turbine engines and rocket propulsion systems. This mechanical stability ensures that the thirteen conductive lines maintain uninterrupted electrical continuity, providing a high level of reliability for high-stress aerospace and defense applications.
Precision Socket Fidelity and 11-35 Layout Performance
Within the size 11 housing, the D38999/26WB35SN employs thirteen Size 22D socket contacts, offering a reliable female interface for a variety of digital signal sets and low-level analog data. These sockets 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 operational life. The socket design provides inherent electrical safety, as the conductive elements are recessed within the dielectric insert, preventing accidental short-circuits during the mating process. The high-performance dielectric insert provides exceptional insulation resistance between the thirteen channels, preventing electrical crosstalk and signal leakage in sensitive command and control grids.
Rear-Release Crimp System and Structural Longevity
The D38999/26WB35SN adheres to the highest standards of maintainability by utilizing a rear-release crimp contact system. This design allows individual contacts to be inserted or removed from the rear of the connector using specialized tools, significantly simplifying field repairs and system upgrades. The structural robustness of the aluminum shell, combined with a high-performance rear grommet and interfacial seal, provides a total environmental barrier against moisture and atmospheric contaminants. This combination of high-density connectivity, specialized conductive finish, and mechanical self-locking capabilities makes the D38999/26WB35SN a dependable choice for ruggedized mobile environments where signal integrity and hardware longevity are the highest priorities.
Часто задаваемые вопросы
What is the significance of the 11-35 layout in the D38999/26WB35SN?
What is the significance of the 11-35 layout in the D38999/26WB35SN?
The 11-35 layout offers a high-density configuration of thirteen Size 22D contacts within a size 11 shell, providing a high signal-to-size ratio for compact electronic modules.
How does the triple-start thread benefit the user?
How does the triple-start thread benefit the user?
The triple-start thread allows for rapid mating with only one full turn of the coupling nut, providing a faster and more secure connection than standard single-start threads or bayonet systems.
What does the "W" finish provide for environmental protection?
What does the "W" finish provide for environmental protection?
The olive drab cadmium finish provides up to 500 hours of salt spray resistance and maintains excellent shell conductivity for superior EMI/RFI shielding performance.
Are the contacts in the D38999/26WB35SN removable?
Are the contacts in the D38999/26WB35SN removable?
Yes, this model uses rear-release crimp contacts, which can be removed and replaced individually from the back of the connector for easy maintenance and repair.
Is the D38999/26WB35SN compatible with other D38999 series?
Is the D38999/26WB35SN compatible with other D38999 series?
No, Серия III connectors use a unique threaded coupling system and are not intermateable with Series I (bayonet) or Series II (low-profile bayonet) connectors, even if the layouts match.
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