Amphenol M28840 522SB circular connectors designed for US Navy shipboard surface craft and submarine
Amphenol PCD M28840 Circular Connectors
Product Overview
Amphenol PCD now offers a complete line of M28840 Circular Connectors, manufactured according to MIL-DTL-28840 specifications. These shipboard application connectors are precision-machined, highly reliable, and meet superior mechanical shock performance requirements. Designed and tested to withstand extreme environmental conditions and demanding applications, they are ideal for US Navy shipboard, surface craft, and submarine applications, mission-critical combat and communications systems, mobile tactical shelters, electronic battlefield networks, and mobile emergency telecommunications stations. Amphenol also provides a full range of backshells to support this connector series.
Product Attributes
- Brand: Amphenol PCD
- Standard: MIL-DTL-28840
- Applications: US Navy shipboard, surface craft, submarines, mission critical combat and communications systems, mobile tactical shelters, electronic battlefield networks, mobile emergency telecommunications (MET) stations, deployable outdoors in harsh environments.
- Materials: Shells, Coupling Nuts, Jam Nuts: Aluminum Alloy per ASTM B211, or Stainless Steel per AMS-QQ-S-763. Contacts: Copper Alloy. Socket contact hood: Stainless Steel. Contact Retention Clip: Beryllium Copper. Grommet Seal: Blended Elastomer.
- Plating Options: Cadmium, Zinc Nickel & Tin Zinc (Commercial only).
- Keying Options: Six keying options (1, 2, 3, 4, 5, 6) for both plugs and receptacles.
- Contact Termination: Crimp termination, rear insert, front release.
Technical Specifications
| Feature | Specification |
|---|---|
| Shell Sizes | 11, 13, 15, 17, 19, 23, 25, 29 & 33 |
| Pin Count | 7, 12, 21, 31, 42, 64, 92, 121 and 155 |
| Contact Size | 20 |
| Wire Accommodation | AWG 20 to AWG 28 |
| Current Rating (Size #20 Contact) | 20AWG: 7.5A; 22AWG: 5.0A; 28AWG: 1.5A; 30AWG: 1.0A |
| Test Voltage | 1000 VAC RMS at sea level |
| Insulation Resistance | 5000 megohms min. (at ambient temp) |
| Contact Resistance | Per SAE-AS39029 |
| Operating Temperature | -55C to +200C |
| Shock | In accordance with MIL-S-901 grade A |
| Vibration | In accordance with EIA-364-28 |
| Magnetic Permeability | Less than 2.0 (Aluminum) ASTM-A342/A342M |
| Contact Plating | 50 microinches Gold plated per ASTM B488 Type 3, Code C Class 1 over nickel underplate per QQ-N-290 Class 2 |
| Specific Models & Dimensions: | See detailed tables within the document for specific part numbers, shell sizes, and dimensions (e.g., M28840/1 Straight Strain-Relief Backshell, M28840/2 90 Strain-Relief Backshell, M28840/3 45 Strain-Relief Backshell, etc.). |
| Contacts: |
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