Y50DXD4-04TK2L2 | Компактный 4-контактный штыревой разъем для высокоточной техники
Y50DXD4-04TK2L2 is a miniature environmental circular connector with 4 pin contacts. Designed for high-density electronic grids, offering bayonet locking and GJB standard reliability.
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Y50DXD4-04TK2L2 Engineering Specifications and Miniaturization Benefits
Он Y50DXD4-04TK2L2 is a specialized interconnect solution that caters to the growing demand for miniaturization in aerospace and advanced industrial electronics. The D4 designation indicates a more compact shell design compared to standard Y50 models, allowing engineers to maximize PCB real estate and reduce the overall footprint of electronic enclosures. Despite its smaller size, this 4-pin receptacle maintains the rigorous performance standards of the GJB series, featuring a precision-engineered bayonet coupling mechanism that ensures a secure lock with minimal manual force.
For design engineers, the 04 insert arrangement provides a clean 4-pole interface, ideal for dual-channel signal transmission or basic power-and-ground configurations. The shell architecture is optimized for high-density integration, making the Y50DXD4-04TK2L2 a preferred component for hand-held instruments, compact sensor arrays, and tactical communication gear. By integrating this connector, engineers can achieve a high level of connectivity without compromising the weight or portability of the final system.
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 | ~40 А | от -55 °C до +150 °C | IP67 | 500 | N | Быстроразъемное штыковое соединение |

Material Science and Electrical Performance
From an electrical engineering perspective, the Y50DXD4-04TK2L2 offers exceptional signal integrity. The four pin (male) contacts are machined from a high-conductivity copper alloy and finished with gold plating to ensure low contact resistance and excellent solderability. The internal dielectric insulators are crafted from high-performance polymers that offer superior insulation resistance and a high dielectric withstanding voltage, even in small-scale configurations. This prevents electrical leakage between adjacent pins, ensuring that sensitive data or power loads are transmitted without degradation.
The mechanical durability of the Y50DXD4-04TK2L2 is supported by its high-strength aluminum alloy shell. This material provides a robust protective barrier against physical impact while maintaining a low mass. Engineers can also rely on the conductive properties of the shell plating—typically nickel or olive drab chromate—to provide effective EMI/RFI shielding. This is particularly important in the “noisy” electromagnetic environments found in modern industrial automation and military theater operations, where signal purity is non-negotiable.
Environmental Sealing and Ruggedization Features
Environmental protection is a core requirement for the DX-designated series. The Y50DXD4-04TK2L2 features a comprehensive internal sealing system, including high-resilience gaskets and grommets that protect the contact interface from moisture, dust, and atmospheric contaminants. This ensures that the connector meets stringent ingress protection standards, allowing it to function reliably in humid, rainy, or dusty conditions. The 2L2 backshell further enhances this protection by providing a secure cable seal and integrated strain relief, which prevents mechanical stress from reaching the delicate solder joints at the rear of the pins.
For engineers designing equipment for maritime or coastal use, the corrosion-resistant finish of the Y50DXD4-04TK2L2 is a significant advantage. The plating is tested for salt spray endurance, ensuring that the bayonet locking lugs and interface surfaces remain free from oxidation over long-term deployment. This focus on material longevity reduces the total cost of ownership and minimizes the need for field maintenance, making it a highly efficient choice for mission-critical hardware that must remain operational in the most unforgiving climates.

Integration into Modern Electronic Grids
The Y50DXD4-04TK2L2 is designed for seamless integration into various mounting scenarios. Its TK style (receptacle with pin contacts) is commonly used as the device-side interface for signal output or power distribution. The bayonet system provides a tactile “click” upon mating, allowing technicians and end-users to confirm a secure connection instantly, even when visibility is limited. This user-centric design reduces the risk of improper mating, which is a common cause of system failures in complex electronic grids.
In the fields of robotics and UAV development, the balance of lightweight construction and high-reliability connectivity offered by the Y50DXD4-04TK2L2 is invaluable. Whether it is used for motor control, sensor feedback, or power input, this 4-pin connector provides the mechanical and electrical stability required for high-motion platforms. By adhering to standardized GJB dimensions, it also offers engineers a predictable and intermateable solution that simplifies the procurement and design-in process for global projects.
Часто задаваемые вопросы
What is the difference between D4 and standard Y50 shells?
What is the difference between D4 and standard Y50 shells?
D4 indicates a miniaturized shell design, offering a smaller diameter and lighter weight than standard Y50 series shells, which is ideal for space-constrained applications.
Does the Y50DXD4-04TK2L2 support EMI shielding?
Does the Y50DXD4-04TK2L2 support EMI shielding?
Yes, the metallic shell and conductive plating provide excellent electromagnetic interference (EMI) and radio frequency interference (RFI) shielding when properly grounded.
What is the current rating for the 4-pin configuration?
What is the current rating for the 4-pin configuration?
The current rating depends on the wire gauge used, but the size 4 contacts are typically rated for 5A to 10A, making them suitable for both signal and low-power applications.
Can this connector be used in high-vibration environments?
Can this connector be used in high-vibration environments?
Absolutely. The bayonet coupling system is specifically designed to resist loosening caused by the intense vibration and shock found in aircraft and military vehicles.
Is the 2L2 backshell necessary for environmental sealing?
Is the 2L2 backshell necessary for environmental sealing?
The 2L2 backshell is highly recommended as it provides the cable-side sealing and strain relief required to maintain the connector’s overall environmental resistance rating.elding.
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