Robust Amphenol M28840 520SB connectors built to withstand extreme environmental conditions on ships

Amphenol PCD M28840 Shipboard Connectors

Product Overview

Amphenol PCD offers a complete line of M28840 Circular Connectors manufactured according to MIL-DTL-28840 specifications. These precision-machined, highly reliable connectors are designed for demanding shipboard applications, providing superior mechanical shock performance and the ability to withstand extreme environmental conditions. They are ideal for US Navy shipboard use, mission-critical combat and communications systems, mobile tactical shelters, electronic battlefield networks, and mobile emergency telecommunications stations.

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 or Stainless Steel; 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.

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
Contact Size	20
Wire Accommodation	AWG 20 to AWG 28
Termination	Crimp, rear insert, front release
Current Rating (Size #20)	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)
Contact Specifications	Pin: M39029/83 (Size 20) Socket: M39029/84 (Size 20)
Backshell Types	Straight Strain-Relief, 90 Strain-Relief, 45 Strain-Relief, Back Shell For Metal Core Conduit, EMI/RFI Environmental, Dummy Storage Receptacle, 90 EMI/RFI Environmental, 45 EMI/RFI Environmental, Wall Mount Receptacle Connector, In Line Receptacle Connector, Box Mount Receptacle Connector, Protective Receptacle Cover, Jam Nut Receptacle Connector, Protective Plug Cover, Plug Connector With Straight Strain Relief Backshell, Plug Connector With 90 Strain Relief Backshell, Plug Connector With 45 Strain Relief Backshell, Receptacle Connector With Straight EMI/RFI Backshell, Metal Conduit Bushing, E Nut, Mounting Gasket, 90 EMI Conduit Adaptor, Plug Connector With Straight EMI/RFI Backshell, 45 EMI Conduit Adaptor, 90 Adaptor Assembly Plug, Plug Connector With 45 EMI/RFI Backshell, Metal Conduit Coupler Style A & B.

2411041626_Amphenol-M28840-520SB_C20055630.pdf

Robust Amphenol M28840 520SB connectors built to withstand extreme environmental conditions on ships Images