Precision circular connectors Amphenol M28840 518SB meeting MIL DTL 28840 for shipboard applications
Manufacturer:
Amphenol
Description:
Backshells and Cable Clamps RoHS
Category:
Backshells and Cable Clamps/Backshells and Cable Clamps
Specifications
Mfr. Part #:
M28840/518SB
Model Number:
M28840/518SB
Introduction
Product Overview
Amphenol's M28840 circular connectors are precision-machined, highly reliable, and designed for demanding shipboard applications. Meeting MIL-DTL-28840 specifications, these connectors offer superior mechanical shock performance and are built to withstand extreme environmental conditions. They are fully intermateable and interchangeable with other qualified M28840 manufacturers. The series supports a wide range of shell sizes, pin counts, and keying options, with plating options including Cadmium and Zinc Nickel. A comprehensive line of backshells for strain relief, EMI shielding, and environmental sealing is also available, making them ideal for US Navy surface craft, submarines, mission-critical combat systems, and mobile tactical shelters.
Product Attributes
- Brand: Amphenol
- Standard: MIL-DTL-28840
- Plating Options: Cadmium, Zinc Nickel
- Keying Options: Six (1, 2, 3, 4, 5, 6)
- Contact Termination: Crimp, rear insert, front release
- Contact Size: AWG 20
- Wire Accommodation: AWG 20 to AWG 28
Technical Specifications
| Product Name | MIL Ref. No. | Shell Sizes | Pin Counts | Keying Options | Materials & Finishes |
|---|---|---|---|---|---|
| Wall Mount Receptacle Connector | M28840/10 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | 7, 12, 21, 31, 42, 64, 92, 121, 155 | 1, 2, 3, 4, 5, 6 | Aluminum-Tin-Zinc, Non-Reflective; Aluminum-Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate, O.D. over Electroless Nickel |
| In-Line Receptacle Connector | M28840/11 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | 7, 12, 21, 31, 42, 64, 92, 121, 155 | 1, 2, 3, 4, 5, 6 | Aluminum-Tin-Zinc, Non-Reflective; Aluminum-Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate, O.D. over Electroless Nickel |
| Box Mount Receptacle Connector | M28840/12 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | 7, 12, 21, 31, 42, 64, 92, 121, 155 | 1, 2, 3, 4, 5, 6 | Aluminum-Tin-Zinc, Non-Reflective; Aluminum-Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate, O.D. over Electroless Nickel |
| Jam Nut Receptacle Connector | M28840/14 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | 7, 12, 21, 31, 42, 64, 92, 121, 155 | 1, 2, 3, 4, 5, 6 | Aluminum-Tin-Zinc, Non-Reflective; Aluminum-Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate, O.D. over Electroless Nickel |
| Plug Connector | M28840/16 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | 7, 12, 21, 31, 42, 64, 92, 121, 155 | 1, 2, 3, 4, 5, 6 | Aluminum-Tin-Zinc, Non-Reflective; Aluminum-Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate, O.D. over Electroless Nickel |
| Plug Connector With Straight Strain Relief Backshell | M28840/17 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | 7, 12, 21, 31, 42, 64, 92, 121, 155 | 1, 2, 3, 4, 5, 6 | Aluminum Tin Zin, Non-Reflective; Aluminum-Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate |
| Plug Connector With 90 Strain Relief Backshell | M28840/18 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | 7, 12, 21, 31, 42, 64, 92, 121, 155 | 1, 2, 3, 4, 5, 6 | Aluminum Tin Zin, Non-Reflective; Aluminum-Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate |
| Plug Connector With 45 Strain Relief Backshell | M28840/19 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | 7, 12, 21, 31, 42, 64, 92, 121, 155 | 1, 2, 3, 4, 5, 6 | Aluminum Tin-Zinc, Non-Reflective; Aluminum-Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate |
| Receptacle Connector With Straight EMI/RFI Backshell | M28840/20 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | 7, 12, 21, 31, 42, 64, 92, 121, 155 | 1, 2, 3, 4, 5, 6 | Aluminum Tin-Zinc, Non-Reflective; Aluminum-Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate |
| Receptacle Connector With Straight EMI/RFI Backshell | M28840/21 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | 7, 12, 21, 31, 42, 64, 92, 121, 155 | 1, 2, 3, 4, 5, 6 | Aluminum Tin-Zinc, Non-Reflective; Aluminum-Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate |
| Plug Connector With Straight EMI/RFI Backshell | M28840/26 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | 7, 12, 21, 31, 42, 64, 92, 121, 155 | 1, 2, 3, 4, 5, 6 | Aluminum, Cadmium Plate, O.D. over Electroless Nickel; Aluminum -Tin-Zinc, Non-Reflective; Aluminum -Zinc Nickel, Non-Reflective |
| 90 Adapter Assembly Plug | M28840/28 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | 7, 12, 21, 31, 42, 64, 92, 121, 155 | 1, 2, 3, 4, 5, 6 | Aluminum, Cadmium Plate, O.D. over Electroless Nickel; Aluminum Tin-Zinc, Non-Reflective; Aluninum- Zinc, Nickel Non-Reflective |
| Plug Connector With 45 EMI/RFI Backshell | M28840/29 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | 7, 12, 21, 31, 42, 64, 92, 121, 155 | 1, 2, 3, 4, 5, 6 | Aluminum, Cadmium Plate, O.D. over Electroless Nickel; Aluminum Tin-Zinc, Non-Reflective; Zinc, Nickel Non-Reflective |
| Straight Strain-Relief Backshell | M28840/1 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | N/A | N/A | Aluminum -Tin-Zinc, Non-Reflective; Aluminum -Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate, O.D. over Electroless Nickel |
| 90 Strain-Relief Backshell | M28840/2 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | N/A | N/A | Aluminum -Tin-Zinc, Non-Reflective; Aluminum -Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate, O.D. over Electroless Nickel |
| 45 - Strain Relief Backshell | M28840/3 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | N/A | N/A | Aluminum -Tin-Zinc, Non-Reflective; Aluminum -Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate, O.D. over Electroless Nickel |
| Back Shell For Metal Core Conduit | M28840/5 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | N/A | N/A | Aluminum -Tin-Zinc, Non-Reflective; Aluminum -Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate, O.D. over Electroless Nickel |
| EMI/RFI Environmental Backshell | M28840/6 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | N/A | N/A | Aluminum -Tin-Zinc, Non-Reflective; Aluminum -Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate, O.D. over Electroless Nickel |
| 90 EMI/RFI Environmental Backshell | M28840/8 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | N/A | N/A | Aluminum -Tin-Zinc, Non-Reflective; Aluminum -Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate, O.D. over Electroless Nickel |
| 45 EMI/RFI Environmental Backshell | M28840/9 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | N/A | N/A | Aluminum -Tin-Zinc, Non-Reflective; Aluminum -Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate, O.D. over Electroless Nickel |
| 90 EMI Conduit Adaptor | M28840/25 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | N/A | N/A | Aluminum, Cadmium Plate, O.D. over Electroless Nickel; Aluminum -Tin-Zinc, Non-Reflective; Aluminum -Zinc Nickel, Non-Reflective |
| 45 EMI Conduit Adaptor | M28840/27 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | N/A | N/A | Aluminum, Cadmium Plate, O.D. over Electroless Nickel; Aluminum -Tin-Zinc, Non-Reflective; Aluminum -Zinc Nickel, Non-Reflective |
| Metal Conduit Coupler Style A & B | M28840/30 | N/A | N/A | N/A | Aluminum, Cadmium Plate, O.D. over Electroless Nickel; Aluminum -Tin-Zinc, Non-Reflective; Aluminum -Zinc Nickel, Non-Reflective |
| E Nut | M28840/23 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | N/A | N/A | Aluminum, Cadmium Plate, O.D. over Electroless Nickel; Aluminum, Tin, Zinc, Non-Reflective; Aluminum, Zinc-Nickel, Non-Reflective |
| Dummy Storage Receptacle | M28840/7 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | N/A | 1, 2, 3, 4, 5, 6 | Aluminum-Tin-Zinc, Non-Reflective; Aluminum Alloy, Cadmium Plated, Olive Drab Over Electroless Nickel; Aluminum -Zinc Nickel, Non-Reflective |
| Protective Receptacle Cover | M28840/13 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | N/A | N/A | Aluminum -Tin-Zinc, Non-Reflective; Aluminum -Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate, O.D. over Electroless Nickel |
| Protective Plug Cover | M28840/15 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | N/A | N/A | Aluminum -Tin-Zinc, Non-Reflective; Aluminum -Zinc Nickel, Non-Reflective; Aluminum, Cadmium Plate, O.D. over Electroless Nickel |
| Mounting Gasket | M28840/24 | 11, 13, 15, 17, 19, 23, 25, 29, 33 | N/A | N/A | Fluorinated Silicone; EMI |
| Metal Conduit Bushing | M28840/22 | 03, 04, 05, 06, 08, 10, 12, 16 | N/A | N/A | Corrosion Resistant Steel |
| Standard Duty Electrical Pin Contact | M39029/83 | N/A | Size 20 | N/A | Copper Alloy, Gold plated |
| Standard Duty Electrical Socket Contact | M39029/84 | N/A | Size 20 | N/A | Copper Alloy, Gold plated; Stainless Steel (Hood) |
Performance Specifications:
| Specification | Value |
|---|---|
| Contact Size | 20 |
| Acceptable Wire Size | 20-32 AWG |
| Max. Outside Dia. of Finished Wire | 0.050 inches (1.27 mm) |
| Current Rating (Max.) | 7.5A (20AWG), 5.0A (22AWG), 1.5A (28AWG), 1.0A (30AWG) |
| Test Voltage (Dielectric Withstanding 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 |
| Fluid Immersion | Per test method EIA-364-10 |
| Shock | In accordance with MIL-S-901 grade A |
| Vibration | Per EIA-364-28 test procedure |
| Magnetic Permeability | 2.0 (Aluminum) |
2411010955_Amphenol-M28840-518SB_C20055627.pdf
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