D38999/26KJ43PN | 43-контактная заглушка для моторного отсека из нержавеющей стали серии III (размер 25)
The D38999/26KJ43PN is a size 25 MIL-DTL-38999 Series III stainless steel plug with 43 pin contacts. Features “K” class firewall rating and “N” polarization for extreme grids.
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D38999/26KJ43PN Extreme Thermal Resilience and Firewall Integrity
Он D38999/26KJ43PN is a premier interconnect solution engineered for specialized electronic grids that operate in high-temperature zones and potential flash-fire environments. The “K” class designation specifies a high-grade stainless steel shell that meets stringent military firewall requirements. This construction ensures that the connector can maintain structural integrity and prevent the passage of flames through a bulkhead for up to twenty minutes under emergency conditions. This thermal barrier is essential for aircraft engine pylon interfaces and mission-critical power distribution systems where the failure of a connector could compromise the safety of the entire aerospace platform or industrial facility.
Основные характеристики
Материал оболочки | Номинальное напряжение | Текущий рейтинг | Рабочая температура | Степень защиты от проникновения влаги и пыли | Циклы спаривания | Ключевая модуляция и поляризация | Соединение |
|---|---|---|---|---|---|---|---|
Stainless steel | ~1000 В переменного тока | ~23 А | от -65 °C до +200 °C | IP67 | 500 | N | резьбовая муфта |
Stainless Steel Durability and Superior Corrosion Defense
Utilizing a passivated stainless steel housing, the D38999/26KJ43PN offers the highest level of mechanical durability within the Series III family. Unlike aluminum variants, the stainless steel shell is inherently resistant to heavy impact, surface abrasion, and the corrosive effects of industrial chemicals and aerospace fluids. This material choice provides a certified 2000-hour salt spray rating, making it the definitive choice for maritime defense systems and offshore energy grids. The robust shell architecture ensures that the forty-three internal circuits remain protected even in the most physically demanding environments, such as high-vibration engine compartments or exposed deck machinery.
High-Capacity Hybrid Grid Integration with 25-43 Layout
Within the expansive size 25 housing, the D38999/26KJ43PN employs the 25-43 insert arrangement, offering forty-three independent conductive channels. This layout features a strategic combination of Size 16 and Size 20 pin contacts, allowing for a hybrid integration of power delivery and signal monitoring within a single cable interface. This versatility is critical for modern weapon systems and heavy-duty robotics where space is limited but the demand for both high-amperage power and high-speed telemetry is constant. The precision-machined gold-plated contacts ensure a low-resistance electrical path, maintaining signal fidelity across all forty-three lines under extreme operational stress.
Self-Locking Triple-Start Threads and Mechanical Stability
As a Series III plug, the D38999/26KJ43PN 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 jet turbine environments or heavy armored vehicle operations. This mechanical stability ensures constant electrical continuity, preventing intermittent signal loss in the forty-three critical circuits that form the backbone of the system’s digital grid.
Comprehensive EMI Protection and Environmental Sealing
Он D38999/26KJ43PN is equipped with a 360-degree EMI grounding finger ring within the plug shell, which ensures superior electromagnetic interference suppression upon mating. This feature is vital for protecting the forty-three signal and power lines from external RFI and preventing the connector from becoming a source of noise in sensitive electronic clusters. Furthermore, the combination of a high-performance fluorosilicone interfacial seal and a rear wire-sealing grommet provides a complete environmental barrier. This ensures that the internal grid remains isolated from moisture, dust, and rapid pressure changes, maintaining a high level of insulation resistance throughout the service life of the equipment.
Часто задаваемые вопросы
What does the "K" class rating indicate for this connector?
What does the "K" class rating indicate for this connector?
The “K” class signifies a stainless steel shell with a firewall rating, designed to withstand extreme temperatures and prevent flame penetration in critical aerospace applications.
How many contacts are provided in the 25-43 layout?
How many contacts are provided in the 25-43 layout?
The 25-43 layout provides forty-three independent conductive channels, utilizing a mix of Size 16 and Size 20 pin contacts for both power and signal transmission.
Is the D38999/26KJ43PN suitable for marine environments?
Is the D38999/26KJ43PN suitable for marine environments?
Yes, the passivated stainless steel shell offers a 2000-hour salt spray rating, providing maximum corrosion resistance for maritime and offshore digital grids.
Does this plug include EMI shielding features?
Does this plug include EMI shielding features?
Absolutely. It features a peripheral grounding spring that provides 360-degree shell-to-shell conductivity, ensuring excellent EMI and RFI shielding effectiveness.
Is the TV07WCI11-35PF404 compatible with standard Series III plugs?
Is the TV07WCI11-35PF404 compatible with standard Series III plugs?
Yes, the “N” (Normal) keying is the industry standard for Series III, ensuring full intermateability with any size 25, 43-layout receptacle using the same polarization.
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