Manufacturer:

Amphenol

Description:

Backshells and Cable Clamps RoHS

Category:

Backshells and Cable Clamps/Backshells and Cable Clamps

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 shipboard application connectors are designed for high-density configurations, offering high reliability and superior mechanical shock performance. They are engineered to withstand extreme environmental conditions and demanding applications, making them ideal for US Navy shipboard, surface craft, submarines, mission-critical combat and communications systems, mobile tactical shelters, and outdoor deployments in harsh environments. 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.

Features: Precision-machined, high-density, highly reliable, superior mechanical shock performance, designed for extreme environmental conditions.

Material Options: Aluminum Alloy, Stainless Steel (Shells, Coupling Nuts, Jam Nuts); Copper Alloy (Contacts); Stainless Steel (Socket contact hood); Beryllium Copper (Contact Retention Clip); Blended Elastomer (Grommet Seal).

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.

Contact Size: 20.

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

Contact Size

Wire Accommodation

AWG 20 to AWG 28

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 per ASTM B488 Type 3, Code C Class 1 over nickel underplate per QQ-N-290 Class 2

Product Models & Accessories

Amphenol PCD offers a comprehensive range of M28840 accessories including:

Straight Strain-Relief Backshell (M28840/1)

90 Strain-Relief Backshell (M28840/2)

45 Strain Relief Backshell (M28840/3)

Back Shell For Metal Core Conduit (M28840/5)

EMI/RFI Environmental Backshell (M28840/6)

Dummy Storage Receptacle (M28840/7)

90 EMI/RFI Environmental Backshell (M28840/8)

45 EMI/RFI Environmental Backshell (M28840/9)

Wall Mount Receptacle Connector (M28840/10)

In Line Receptacle Connector (M28840/11)

Box Mount Receptacle Connector (M28840/12)

Protective Receptacle Cover (M28840/13)

Jam Nut Receptacle Connector (M28840/14)

Protective Plug Cover (M28840/15)

Plug Connector (M28840/16)

Plug Connector With Straight Strain Relief Backshell (M28840/17)

Plug Connector With 90 Strain Relief Backshell (M28840/18)

Plug Connector With 45 Strain Relief Backshell (M28840/19)

Receptacle Connector With Straight EMI/RFI Backshell (M28840/20)

Receptacle Connector With Straight EMI/RFI Backshell (M28840/21)

Metal Conduit Bushing (M28840/22)

E Nut (M28840/23)

Mounting Gasket Metal (M28840/24)

90 EMI Conduit Adaptor (M28840/25)

Plug Connector With Straight EMI/RFI Backshell (M28840/26)

45 EMI Conduit Adaptor (M28840/27)

90 Adaptor Assembly Plug (M28840/28)

Plug Connector With 45 EMI/RFI Backshell (M28840/29)

Metal Conduit Coupler Style A & B (M28840/30)

Standard Duty Electrical Pin Contact (M39029/83)

Standard Duty Electrical Socket Contact (M39029/84)

2411041626_Amphenol-M28840-516SB_C20055623.pdf