Overview
The D38999/26LF28PA connector, produced by Amphenol Aerospace Operations, is a high-performance, environmentally resistant connector that adheres to the MIL-DTL-38999 Series III specifications. This connector is designed for use in severe environment applications, including military, aerospace, and other high-reliability sectors. It features a robust construction with advanced shielding capabilities, making it ideal for applications requiring high reliability and durability.
Key Specifications
| Specification | Value |
|---|---|
| Connector Type | D38999/26LF28PA |
| Shell Style | Plug |
| Shell Material | Aluminum |
| Shell Finish | Electroless Nickel |
| Operating Temperature (Min) | -65°C |
| Operating Temperature (Max) | +200°C |
| Insulation Resistance | 5000 megohms min. @ 500 VDC, 25°C |
| Shielding Effectiveness | 65 dB @ 10 GHz |
| Durability | 48 Hour Salt Spray |
| Contact Type | Pin Contacts |
| Insert Arrangement | Front Face of Pin Insert |
| Shell Size and Insert Arrangement | F28 |
| Service Rating | I |
| Total Number of Contacts | 28 |
| Test Current | (20) 7.5 AMPS, (16) 13 AMPS |
| Wire Size for 20 | 24, 22, 20 |
Key Features
- High-Performance Shielding: The connector provides excellent EMI/EMP shielding effectiveness, exceeding MIL-DTL-38999 Series III requirements.
- Robust Construction: Made from aluminum with an electroless nickel finish, ensuring durability and resistance to corrosion.
- Wide Operating Temperature Range: Capable of operating from -65°C to +200°C, making it suitable for extreme environment applications.
- Quick Coupling Mechanism: Features a triple start threaded coupling mechanism, which is self-locking and eliminates the need for lockwiring.
- High Vibration Resistance: Designed to withstand high vibration and impact, making it ideal for applications in harsh environments.
- Multiple Keying Positions: Available with six distinct keying positions to prevent incorrect mating.
Applications
- Military and Aerospace: Commonly used in military and aerospace designs due to its high reliability and performance in extreme environments.
- Industrial and Commercial Aviation: Suitable for use in industrial and commercial aviation applications where high reliability and durability are critical.
- Marine and Naval Systems: Used in marine and naval systems where exposure to moisture, wind, and vibration is common.
- High-Reliability Electronics: Ideal for any high-reliability electronic system requiring robust and environmentally resistant connectors.
Q & A
- What is the operating temperature range of the D38999/26LF28PA connector?
The operating temperature range is from -65°C to +200°C.
- What is the material and finish of the shell?
The shell is made of aluminum with an electroless nickel finish.
- What is the shielding effectiveness of this connector?
The shielding effectiveness is 65 dB @ 10 GHz.
- How many contacts does the D38999/26LF28PA connector have?
The connector has 28 contacts.
- What is the coupling mechanism of this connector?
The connector features a triple start threaded coupling mechanism.
- Is the connector resistant to vibration and impact?
Yes, it is designed to withstand high vibration and impact.
- What are the keying positions available for this connector?
There are six distinct keying positions available to prevent incorrect mating.
- What is the insulation resistance of the connector?
The insulation resistance is 5000 megohms min. @ 500 VDC, 25°C.
- What is the durability test for this connector?
The connector passes a 48-hour salt spray test.
- What are the typical applications of the D38999/26LF28PA connector?
It is commonly used in military, aerospace, industrial, and commercial aviation, as well as marine and naval systems.