Amphenol M28840 623SB circular connectors designed to meet MIL DTL 28840 specifications for shipboard
Amphenol M28840 Shipboard Connectors
Product Overview
Amphenol offers a comprehensive line of M28840 circular connectors designed for demanding shipboard applications. These precision-machined connectors meet MIL-DTL-28840 specifications, providing high reliability and superior mechanical shock performance. Engineered to withstand extreme environmental conditions, they are ideal for mission-critical combat and communication systems, as well as mobile tactical shelters and emergency telecommunications. The series features a wide range of shell sizes, pin counts, plating options, and keying configurations, ensuring versatility for diverse naval and tactical environments. Amphenol also provides a complete selection of compatible backshells for strain relief, EMI/RFI shielding, and environmental sealing.
Product Attributes
- Brand: Amphenol
- Standard: MIL-DTL-28840
- Origin: USA (implied by manufacturer information)
- Plating Options: Cadmium, Zinc Nickel
- Contact Termination: Crimp termination, rear insert, front release
Technical Specifications
| Feature | Specification |
|---|---|
| Shell Sizes | 11, 13, 15, 17, 19, 23, 25, 29 & 33 |
| Pin Counts | 7, 12, 21, 31, 42, 64, 92, 121, 155 |
| Keying Options | Six options (1, 2, 3, 4, 5, 6) for plugs and receptacles |
| Contact Size | AWG 20 |
| Wire Accommodation | AWG 20 to AWG 28 |
| Operating Temperature | -55C to +200C |
| Current Rating (Max.) | 7.5A (20AWG), 5.0A (22AWG), 1.5A (28AWG), 1.0A (30AWG) |
| Test Voltage (Dielectric Withstanding) | 1000 VAC RMS at sea level |
| Insulation Resistance | 5000 megohms min. (at ambient temp) |
| Contact Resistance | Per EIA-364-10 |
| Shock | In accordance with MIL-S-901 grade A |
| Vibration | Per EIA-364-28 test procedure |
| Magnetic Permeability | 2.0 (Aluminum) |
| Materials & Finishes | Contacts: Copper Alloy, Gold plated Shells, Coupling Nuts, Jam Nuts: Aluminum Alloy or Stainless Steel Grommet Seal: Blended Elastomer Insulators: High Grade Engineering Plastic |
| Backshell Types | Straight, 90, 45 for Strain Relief, EMI/RFI Environmental, Metal Core Conduit |
Applications
- US Navy Shipboard surface craft and submarines
- Mission critical combat and communication systems
- Mobile tactical shelters and electronic battlefield networks
- Mobile emergency telecommunications (MET) stations
- Deployable outdoors in harsh environments
2411010955_Amphenol-M28840-623SB_C20055661.pdf
