Amphenol D38999 20WC35PN connector suitable for armored vehicles and critical industrial electronics
Manufacturer:
Amphenol
Description:
Circular Connector Assemblies
Category:
Backshells and Cable Clamps/Circular Connector Assemblies
Specifications
Mfr. Part #:
D38999/20WC35PN
Model Number:
D38999/20WC35PN
Introduction
Amphenol TV-CTV Tri-Start MIL-DTL-38999 Series III Connectors
The Amphenol TV-CTV Tri-Start MIL-DTL-38999 Series III connectors are high-density, miniature circular connectors designed for high-performance military and commercial aircraft applications. They offer reliable interconnections, quick mating, and environmental sealing. These connectors are engineered for rigorous environments, performing flawlessly under wide temperature ranges, high vibrations, and resistance to contaminants. They are fully intermateable and intermountable with other MIL-DTL-38999 Series III connectors from various manufacturers.
Applications
- High-performance military aircraft
- Commercial airlines
- Communications equipment
- Armored personnel carriers & tanks
- Missiles
- Shipboard
- Digital electronics on fly-by-wire aircraft
- Advanced robotics
- Critical industrial equipment
Key Features
- High-Reliability: Designed for rigorous environments with wide temperature ranges, high vibrations, and resistance to contaminants.
- Visual Mating Confirmation: Plug coupling nut covers a red band on the mating shell for clear mating indication.
- Outstanding EMI-Shielding Protection: Shielded mating system with 360-degree shell grounding fingers provides up to 65 dB at 10 GHz protection.
- Extreme Temperature Operation: Operates from -65C to +200C (-85F to +392F).
- High-Density Contacts: Offers up to 128 contacts per connector.
- Self-Locking Systems: Self-locking coupling nuts and endbell accessory hardware ensure performance in high-vibration applications.
- Broad Range of Accessories: Compatible with MIL-DTL-38999 Series III accessories, including M85049 endbells and various cable termination styles.
- Contact Protection: Scoop-proof design with recessed pin contacts prevents damage and shorting.
- MIL-DTL-38999 Approved: Fully intermateable and intermountable with other manufacturers' MIL-DTL-38999 Series III connectors.
- High Coupling Durability: Combines high coupling durability with EMI-shielding and moisture & corrosion resistance.
- Space-Rated: Class G outgassing available in 48 hours.
Product Attributes
- Brand: Amphenol
- Series: TV-CTV Tri-Start
- Standard: MIL-DTL-38999 Series III
- Materials: Shell & Plating (Copper alloy), Contacts (Copper alloy), Insulator (Hard dielectric wafer), Grommet & Seals (Silicone-based elastomer), Grounding Springs (Beryllium copper)
- Plating: Gold-plated, 50 microinches per MIL-G-45204 type II, grade C, class I
Technical Specifications
| Specification | Details |
|---|---|
| Contact Sizes | 22D, 20, 16, 12, 10 (power), 8 (power), 8 (coax), 8 (twinax) |
| Operating Temperature | -65C to +175C (-85F to +347F) for W, W52, RB, J & ZN plating; -65C to +200C (-85F to +392F) for DT, F, M, K & S plating |
| EMI-Shielding Effectiveness | 100 MHz to 10 GHz - minimum attenuation of 50 dB |
| Mating Life | 500 cycles minimum |
| Contact Retention | Per MIL-DTL-38999K tested to MIL-STD-1344A method 2007 |
| Number of Circuits | 2 to 128 |
| Contact Insertion/Extraction | Rear-insertion/rear-extraction with simple plastic or high-quality metal hand tools |
| Salt Spray | 500 hours (W, S, K, T, Z plating); 48 hours (F plating); 2000 hours (J, K plating); 48 hours (W52 plating); 500 hours (RB, DT, DZ, ZN plating) |
| Temperature Durability | 175C (347F) to 200C (392F) depending on plating and test period |
| Chemical Resistance | Lubricating oils, hydraulic fluids, coolants, deicing fluids per MIL-STD-1344A Method 1016 condition A-1 |
| Sine Vibration | 60g at -55C per MIL-DTL-38999K 4.5.22.2.1 |
| Random Vibration | 49.5 grms at ambient temperatures |
| Shock | 300 grms |
| Contact Type | Crimp, fibre optic, coax, twinax, or printed circuit |
| Polarization | Five keyways with optional master keyway rotations |
| Approvals | MIL-DTL-38999 |
| Operating Voltage (Sea Level) | 1000V (Service Rating I), 1300V (Service Rating II), 1800V (Service Rating III), 2300V (Service Rating IIII) |
| Test Voltage (100,000 ft) | 200V (All Service Ratings) |
| Contact Sizes & Wire Accommodation | See page 232 for details |
| Contact Axial Load | See page 224 for details (Newtons +/- 10%) |
| Shell Sizes | 9 to 25 |
Materials and Finishes
| Component | Material/Plating |
|---|---|
| Shell & Plating | Aluminum Alloy, Composite, Stainless Steel, Marine Material |
| Contacts | Copper alloy |
| Plating (Contacts) | Gold-plated, 50 microinches per MIL-G-45204 type II, grade C, class I |
| Insulator | Hard dielectric wafer with tines for high-reliability retention of crimp contacts |
| Grommet & Seals | Silicone-based elastomer |
| Grounding Springs | Beryllium copper (grounded plug only) |
| Shell Finishes | W, W52, RB, J, ZN, DT, F, M, K, S |
Part Numbering System
Refer to pages 225-227 for detailed instructions on creating military and commercial part numbers, including shell style, finish, layout, contact type, polarization, and modifiers.
Accessories
A wide range of accessories are available, including cable clamps, dummy receptacles, dust caps, plug caps, universal endbells, banding adapters, and tooling. Please refer to pages 242-244 for detailed information.
2504101957_Amphenol-D38999-20WC35PN_C20871005.pdf
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