Overview
The D38999/24TH21PA connector, produced by Amphenol Aerospace Operations, is a part of the MIL-DTL-38999 series of connectors. These connectors are renowned for their high-density, circular design and are widely used in harsh environment applications, particularly in the military and aerospace industries. Developed to meet the stringent requirements of MIL-SPEC standards, these connectors offer reliable and durable connections in extreme conditions.
Amphenol Aerospace, with its extensive history in developing interconnect solutions, ensures that the D38999/24TH21PA meets the highest standards of performance and reliability. This connector is part of a family that has been trusted for decades in mission-critical systems, including military ground vehicles, aircraft, naval ships, and space applications.
Key Specifications
| Specification | Details |
|---|---|
| Part Number | D38999/24TH21PA |
| Manufacturer | Amphenol Aerospace Operations |
| Connector Type | Circular, Receptacle, Male Pins |
| Number of Positions | 21 |
| Coupling Type | Threaded or Bayonet |
| Contact Type | Crimp Contacts |
| Operating Temperature | −65 to +200 °C (−85 to 392 °F) |
| Normal Operating Voltage | Up to 900 VAC (RMS) at sea level for power contacts |
| Shell Style | LJT-R, TV-R, SJT-R with scoop-proof recessed design |
Key Features
- High-Density Design: The D38999/24TH21PA features a high-density contact arrangement, making it ideal for applications where space is limited.
- Environmental Resistance: Designed to operate in harsh environments, these connectors offer resistance to high vibrations, moisture, dust, and electromagnetic interference.
- Advanced Contact Options: The connector can incorporate various types of contacts, including coaxial, concentric twinax, and triax contacts, which are suitable for high-performance interconnection applications.
- Scoop-Proof Recessed Design: The connectors have a scoop-proof recessed design in LJT-R, TV-R, and SJT-R styles, providing protection for the contacts.
- Robust Construction: Made from premium aerospace-grade materials such as 6061-T6 aluminum and passivated stainless steel, these connectors ensure strength and corrosion resistance.
Applications
- Military Aircraft: Used in various military aircraft systems for reliable connectivity.
- Commercial Aircraft: Employed in commercial aviation for avionics, in-flight entertainment, and other critical systems.
- Naval Surface Ships and Submarines: Utilized in naval applications for communication, power distribution, and other mission-critical systems.
- Ground Vehicles and Missile Systems: Applied in ground vehicles and missile systems for robust and reliable connections.
- Unmanned Vehicles and Spacecraft: Used in unmanned vehicles and spacecraft due to their ability to perform in extreme environments.
- Avionics Systems and Power Distribution: Integral in avionics systems, power distribution, and other critical applications requiring high reliability.
Q & A
- What is the D38999/24TH21PA connector used for?
The D38999/24TH21PA connector is used in harsh environment applications, particularly in the military and aerospace industries, for reliable and durable connections.
- What are the key features of the D38999/24TH21PA connector?
Key features include high-density design, environmental resistance, advanced contact options, scoop-proof recessed design, and robust construction from aerospace-grade materials.
- What is the operating temperature range of the D38999/24TH21PA connector?
The operating temperature range is −65 to +200 °C (−85 to 392 °F).
- What types of contacts can the D38999/24TH21PA connector incorporate?
The connector can incorporate coaxial, concentric twinax, and triax contacts, as well as standard power contacts.
- What are the common applications of the D38999/24TH21PA connector?
Common applications include military aircraft, commercial aircraft, naval ships, ground vehicles, missile systems, unmanned vehicles, and spacecraft.
- What materials are used in the construction of the D38999/24TH21PA connector?
The connectors are made from premium aerospace-grade materials such as 6061-T6 aluminum and passivated stainless steel.
- Does the D38999/24TH21PA connector offer any special design features for contact protection?
Yes, it features a scoop-proof recessed design in LJT-R, TV-R, and SJT-R styles to protect the contacts.
- What is the normal operating voltage for the power contacts of the D38999/24TH21PA connector?
The normal operating voltage for power contacts is up to 900 VAC (RMS) at sea level.
- Can the D38999/24TH21PA connector be customized for specific needs?
Yes, Amphenol Aerospace offers customization options beyond standard MIL-SPEC standards through their 38999 Plus catalog.
- Why are MIL-DTL-38999 connectors preferred in harsh environments?
MIL-DTL-38999 connectors are preferred due to their robust construction, environmental sealing, and ability to maintain secure connections under vibration and mechanical stress.