Amphenol M28840 525WB Circular Connectors Engineered for High Density and Superior Shock Performance
Amphenol PCD M28840 Circular Connectors
Product Overview
Amphenol PCD now offers a complete line of M28840 Circular Connectors, precision-machined according 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 suitable for US Navy shipboard, surface craft, submarines, mission-critical combat and communications systems, mobile tactical shelters, and electronic battlefield networks. Amphenol PCD also provides a full range of compatible backshells for 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, reliable, superior mechanical shock performance, withstand extreme environmental conditions.
- Plating Options: Cadmium, Zinc Nickel & Tin Zinc (Commercial only)
- Keying Options: Six keying options (1, 2, 3, 4, 5, 6)
- Contact Termination: Crimp termination, rear insert, front release
- Contact Size: 20
- Wire Accommodation: AWG 20 to AWG 28
- Backshell Options: Straight, 90, and 45 strain relief, EMI/RFI environmental, metal core conduit, dummy storage receptacle, protective covers.
Technical Specifications
| Specification | Details |
|---|---|
| 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) |
| Shell Sizes | 11, 13, 15, 17, 19, 23, 25, 29, 33 |
| Pin Counts | 7, 12, 21, 31, 42, 64, 92, 121, 155 |
| 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) |
| Materials - Shells, Coupling Nuts, Jam Nuts | Aluminum Alloy per ASTM B211, or Stainless Steel per AMS-QQ-S-763 |
| Materials - 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 |
| Materials - Socket Contact Hood | Stainless Steel, passivated |
| Materials - Insulators | High Grade Engineering Plastic |
| Materials - Contact Retention Clip | Beryllium Copper |
| Materials - Grommet Seal | Blended Elastomer |
| Contact Specifications (Example) | F Pin: M39029/83-508, Size 20, AWG 20-24, Wire OD .040" (1.02mm) |
| Contact Specifications (Example) | G Socket: M39029/84-509, Size 20, AWG 20-24, Wire OD .040" (1.02mm) |
| Backshell Models | M28840/1 (Straight Strain-Relief), M28840/2 (90 Strain-Relief), M28840/3 (45 Strain-Relief), M28840/5 (Metal Core Conduit), M28840/6 (EMI/RFI Environmental), M28840/7 (Dummy Storage Receptacle), M28840/8 (90 EMI/RFI Environmental), M28840/9 (45 EMI/RFI Environmental), M28840/10 (Wall Mount Receptacle), M28840/11 (In Line Receptacle), M28840/12 (Box Mount Receptacle), M28840/13 (Protective Receptacle Cover), M28840/14 (Jam Nut Receptacle), M28840/15 (Protective Plug Cover), M28840/16 (Plug Connector), M28840/17 (Plug Connector w/ Straight Strain Relief), M28840/18 (Plug Connector w/ 90 Strain Relief), M28840/19 (Plug Connector w/ 45 Strain Relief), M28840/20 (Receptacle Connector w/ Straight EMI/RFI Backshell), M28840/21 (Receptacle Connector w/ Straight EMI/RFI Backshell), M28840/22 (Metal Conduit Bushing), M28840/23 (E Nut), M28840/24 (Mounting Gasket), M28840/25 (90 EMI Conduit Adaptor), M28840/26 (Plug Connector w/ Straight EMI/RFI Backshell), M28840/27 (45 EMI Conduit Adaptor), M28840/28 (90 Adaptor Assembly Plug), M28840/29 (Plug Connector w/ 45 EMI/RFI Backshell), M28840/30 (Metal Conduit Coupler Style A & B) |
| Contacts | M39029/83 (Standard Duty Electrical Pin Contact), M39029/84 (Standard Duty Electrical Socket Contact) |
2411041626_Amphenol-M28840-525WB_C20055638.pdf