Amphenol M28840 524SB connectors meeting MIL DTL 28840 for high reliability in military applications
Amphenol PCD M28840 Circular Connectors
Product Overview
Amphenol PCD offers a complete line of M28840 circular connectors, precision-machined to MIL-DTL-28840 specifications. These highly reliable connectors are designed for demanding shipboard applications, meeting superior mechanical shock performance and withstanding extreme environmental conditions. They are suitable for US Navy shipboard, surface craft, submarines, mission-critical combat and communications systems, mobile tactical shelters, and outdoor deployment in harsh environments. Amphenol also provides a full range of compatible backshells for strain relief, EMI, and environmental sealing.
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.
- Material Options: Aluminum Alloy, Stainless Steel, Copper Alloy, Beryllium Copper, Blended Elastomer
- Plating Options: Cadmium, Zinc Nickel, Tin Zinc (Commercial only)
- Contact Size: 20
- Wire Accommodation: AWG 20 to AWG 28
- Termination: Crimp, rear insert, front release
- Keying Options: 6 options (1, 2, 3, 4, 5, 6)
Technical Specifications
| Specification | Details |
|---|---|
| Shell Sizes | 11, 13, 15, 17, 19, 23, 25, 29, 33 |
| Pin Counts | 7, 12, 21, 31, 42, 64, 92, 121, 155 |
| Current Rating (Size #20 contact) | 7.5A (20AWG), 5.0A (22AWG), 1.5A (28AWG), 1.0A (30AWG) |
| 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) |
| Contact Materials | Copper Alloy, 50 microinches Gold plated over nickel underplate |
| Socket Contact Hood Material | Stainless Steel, passivated |
| Insulator Material | High Grade Engineering Plastic |
| Contact Retention Clip Material | Beryllium Copper |
| Grommet Seal Material | Blended Elastomer |
| Contact Specifications |
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| Backshell Types | Straight, 90, 45, EMI/RFI Environmental, Metal Core Conduit, Dummy Storage Receptacle |
2411041626_Amphenol-M28840-524SB_C20055636.pdf