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 highly reliable shipboard application connectors are designed to withstand extreme environmental conditions and demanding applications, offering superior mechanical shock performance. They are suitable for US Navy shipboard, surface craft, submarines, 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.

Features: Precision-machined, high-density, available in nine shell sizes, multiple pin counts, six keying options, contact size 20 with various wire accommodation options, crimp termination, rear insert and front release contacts, complete line of backshells.

Benefits: Fully intermateable and interchangeable with qualified M28840 connectors, backshell designs for strain relief, EMI and environmental sealing, options for kitted connectors with backshells and accessories, common application tool for all contact types.

Material (Shells, Coupling Nuts, Jam Nuts): Aluminum Alloy per ASTM B211, or Stainless Steel per AMS-QQ-S-763

Material (Contacts): Copper Alloy, 50 microinches Gold plated per ASTM B488 Type 3, Code C Class 1 over nickel underplate per QQ-N-290 Class 2

Material (Socket contact hood): Stainless Steel passivated

Material (Insulators): High Grade Engineering Plastic

Material (Contact Retention Clip): Beryllium Copper

Material (Grommet Seal): Blended Elastomer

Plating Options: Cadmium, Zinc Nickel & Tin Zinc (Commercial only)

Technical Specifications

Specification

Details

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 (per EIA-364-20)

Insulation Resistance

5000 megohms min. (at ambient temp) (per EIA-364-21)

Contact Resistance

Per SAE-AS39029

Operating Temperature

-55C to +200C

Fluid Immersion

Test method EIA-364-10

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)

Shell Sizes

11, 13, 15, 17, 19, 23, 25, 29 & 33

Pin Counts

7, 12, 21, 31, 42, 64, 92, 121 and 155

Keying Options

Six (1, 2, 3, 4, 5, 6)

Contact Size

Wire Accommodation

AWG 20 to AWG 28

Contact Types

F (Pin, Size 20), G (Socket, Size 20), P (Pin, Size 22), S (Socket, Size 22), D (Pin, Size 28), E (Socket, Size 28)

M28840/1: Straight Strain-Relief Backshell

Available in Shell Sizes 11-33. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/2: 90 Strain-Relief Backshell

Available in Shell Sizes 11-33. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/3: 45 Strain-Relief Backshell

Available in Shell Sizes 11-33. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/5: Backshell for Metal Core Conduit

Available for various conduit sizes and shell sizes 11-33. Styles: EMI, Non-Environmental; EMI, Environmental. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/6: EMI/RFI Environmental Backshell

Available for various shell sizes 11-33. Styles: EMI, Non-Environmental; EMI, Environmental. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/7: Dummy Stowage Receptacle

Available in Shell Sizes 11-33. Key Positions: 1-6. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/8: 90 EMI/RFI Environmental Backshell

Available for various shell sizes 11-33. Styles: EMI Environmental, Environmental. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/9: 45 EMI/RFI Environmental Backshell

M28840/10: Wall Mount Receptacle Connector

Available in Shell Sizes 11-33. Insert Types: F, G, P, S, D, E. Key Positions: 1-6. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/11: In-Line Receptacle Connector

M28840/12: Box Mount Receptacle Connector

Available in Shell Sizes 11-33. Length Options: Standard, Long. Insert Types: F, G, P, S, D, E. Key Positions: 1-6. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/13: Protective Receptacle Cover

Available in Shell Sizes 11-33. Chain Attachment Styles: Link Chain WITH Fastener, Link Chain WITH Ring for Jam-Nut Mounting Receptacle, Link Chain WITH Ring for Cable-Connecting Receptacle. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/14: Jam Nut Receptacle Connector

M28840/15: Protective Plug Cover

Available in Shell Sizes 11-33. Chain Attachment Styles: Link Chain WITH Fastener, Link Chain WITH Ring for Jam-Nut Mounting Receptacle. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/16: Plug Connector

M28840/17: Plug Connector With Straight Strain Relief Backshell

Available in Shell Sizes 11-33. Classes: DJ, ZJ, TJ. Insert Types: F, G, P, S, D, E. Key Positions: 1-6. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/18: Plug Connector With 90 Strain Relief Backshell

M28840/19: Plug Connector With 45 Strain Relief Backshell

M28840/20: Receptacle Connector With Straight EMI/RFI Backshell

Available in Shell Sizes 11-33. Backshell Sizes: A, B, C, D. Backshell Styles: EMI Environmental, Environmental. Insert Types: F, G, P, S, D, E. Key Positions: 1-6. Classes: DJ, ZJ, TJ. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/21: Receptacle Connector With Straight EMI/RFI Backshell

M28840/22: Metal Conduit Bushing

Available for conduit sizes 03-16. Material: Corrosion Resistant Steel.

M28840/23: E Nut

Available in Shell Sizes 11-33. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/24: Mounting Gasket

Available in Shell Sizes 11-33. Materials: Fluorinated Silicone (A), EMI (B).

M28840/25: 90 EMI Conduit Adapter

M28840/26: Plug Connector With Straight EMI/RFI Backshell

M28840/27: 45 EMI Conduit Adapter

M28840/28: 90 Adapter Assembly Plug

Available in Shell Sizes 11-33. Insert Types: F, G, P, S, D, E. Key Positions: 1-6. Classes: DJ, ZJ, TJ. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M28840/29: Plug Connector With 45 EMI/RFI Backshell

M28840/30: Metal Conduit Coupler Styles A & B

Available in various shell sizes 11-33. Styles: EMI, Non-Environmental; EMI, Environmental. Materials: Aluminum (Cadmium Plate, O.D. over Electroless Nickel), Aluminum-Zinc Nickel (Non-Reflective), Aluminum-Tin-Zinc (Non-Reflective - Commercial only).

M39029/83: Standard Duty Electrical Pin Contact

Size 20. Wire Accommodation: 20-24 AWG, 22-26 AWG, 28-32 AWG. Military P/N: M39029/83-508, M39029/83-450, M39029/83-451. Amphenol P/N: IN39029/83-508, IN39029/83-450, IN39029/83-451. Materials: Copper Alloy, Gold plated.

M39029/84: Standard Duty Electrical Socket Contact

Size 20. Wire Accommodation: 20-24 AWG, 22-26 AWG, 28-32 AWG. Military P/N: M39029/84-509, M39029/84-452, M39029/84-453. Amphenol P/N: IN39029/84-509, IN39029/84-452, IN39029/84-453. Materials: Copper Alloy, Gold plated.

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