Specifications
Description :
Backshells and Cable Clamps RoHS
Mfr. Part # :
M28840/521SB
Model Number :
M28840/521SB
Description

Product Overview

Amphenol PCD now offers a complete line of M28840 Circular Connectors according to MIL-DTL-28840. These precision-machined, highly reliable shipboard application connectors are designed to meet superior mechanical shock performance and withstand extreme environmental conditions and demanding applications. Amphenol also provides a full range of backshells to support this connector series. Applications include US Navy shipboard, surface craft and submarines, mission-critical combat and communications systems, mobile tactical shelters, electronic battlefield networks, and mobile emergency telecommunications (MET) stations.

Product Attributes

  • Brand: Amphenol PCD
  • Standard: MIL-DTL-28840
  • 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 and front release
  • Backshell Types: Straight, 90, and 45
  • 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

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 and 155
Contact Size 20
Wire Accommodation AWG 20 to AWG 28
Contact Type (Military P/N) M39029/83-508 (Pin), M39029/84-509 (Socket)
Contact Type (Military P/N) M39029/83-450 (Pin), M39029/84-452 (Socket)
Contact Type (Military P/N) M39029/83-451 (Pin), M39029/84-453 (Socket)
Durability 500 cycles (Meets SAE-AS39029, paragraph 3.5.9)
Contact Retention Max. axial displacement 0.012 inch (0.30 mm) (Meets MIL-DTL-38999, paragraph 3.23)
Permeability No greater than 2.0 (Meets SAE-AS39029, paragraph 3.5.1)
Vibration No electrical discontinuity of 1 microsecond or greater (Meets SAE-AS39029, paragraph 3.5.10)
Salt Spray (Corrosion) Withstand 48 hours without defects (Meets SAE-AS39029, paragraph 3.5.12)
Temperature Life 1,000 hours without defects (Meets SAE-AS39029, paragraph 3.5.13)
Dielectric Withstanding Voltage No evidence of breakdown or flashover (Meets SAE-AS39029, paragraph 3.5.19)
Workmanship Uniform quality, free from foreign material, burrs, or sharp edges (Meets SAE-AS39029, paragraph 3.7)

2411041626_Amphenol-M28840-521SB_C20055632.pdf

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Amphenol M28840521SB circular connectors with six keying options and multiple termination methods

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Description :
Backshells and Cable Clamps RoHS
Mfr. Part # :
M28840/521SB
Model Number :
M28840/521SB
Contact Supplier
Amphenol M28840521SB circular connectors with six keying options and multiple termination methods
Amphenol M28840521SB circular connectors with six keying options and multiple termination methods
Amphenol M28840521SB circular connectors with six keying options and multiple termination methods

Shenzhen ECER Network Technology Co., Ltd.

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1 Years
anhui, shenzhen
Since 2009
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Manufacturer, Distributor/Wholesaler, Agent, Importer
Total Annual :
10000000-50000000
Employee Number :
300~500
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