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Amphenol MB Series Connectors (MIL-DTL-26482 Series II)
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암페놀

Interconnect Product Manufacturer, Electrical, Electronic, Fiber Optic Connectors, Coaxial Cable and more

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Amphenol MB Series Connectors (MIL-DTL-26482 Series II)
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HIGH-PERFORMANCE MINIATURE CONNECTOR PERFECT FOR AEROSPACE APPLICATIONS

Amphenol’s MB MIL-DTL-26482 series II (Matrix®) miniature cylindrical connectors have a quick-mating, three-point bayonet coupling system. Given their small size and high-quality contact retention and seal, MB series connectors are excellent for high-reliability applications in the harshest conditions, including the aerospace industry. These connectors intermate with all MIL-DTL-26482 series I connectors. Space-rated Class G outgassing is available in 48 hours. For full product details on Amphenol MB series connectors, please see the specifications below.

Get shopping! Mil Spec prefixes include MS3470, MS3471, MS3472, MS3474, MS3476 and MS3475. Amphenol's proprietary prefix is MB.

 

 

Features

  • High-quality contact system
    Amphenol’s MB connector series uses industry-standard M39029 crimp-style contacts and a field-proven contact retention clip that locks the contact into place while allowing easy insertion and removal with simple, low-cost plastic tools.
  • Wide range of cable accessories, including military-standard
    Unlike MIL-DTL-26482 series I style connectors, MIL-DTL-26482 Series II style are supplied without rear accessories but with military-standard rear threads. This permits a choice from one of the broadest array of endbells, including M85049-standard endbells, and from low-cost, simple cable tie versions to fully environmentally-sealed EMI-shielded endbells.
  • Broad operating temperatures
    MBs use high-quality silicone for the peripheral, interfacial and wire seals. This, along with the stable hard dielectric insert material that houses the contact retention clip, provide operating temperatures from -67°F to +392°F (-55°C to +200°C).
  • Rear contact insertion and release system
    Used properly, the insertion and extraction tools never touch, come in contact with or damage the interfacial seals, eliminating a common problem with front-release contact systems.
  • Cork-in-a-bottle interfacial seal system
    Socket inserts have hard, dielectric, funnel-shaped contact lead-ins that not only assist in aligning the contacts when mating, but provide compression of the raised individual contact seals on the high-quality silicone interfacial seals of the pin insert.

 

 

Materials & Finishes

Shell
High-grade aluminum alloy per QQ-A-367, QQ-A-591 or QQ-A-225; stainless steel 303 grade (AMS 5640)
 
Jam Nut
Aluminum alloy per QQ-A-225
 
Coupling Nut
High-grade aluminum alloy per QQ-A-591; stainless steel 303 grade (AMS 5640)
 
Shell Plating
Cadmium, Anodized, Electroless Nickel, Zinc Alloy, or Passivated
 
Bayonet Pins
Passivated stainless steel per QQ-S-763
 
Contacts
Copper alloy
 
Contact Plating
Gold-plated per MIL-G-45204 50 microinches
 
Insulator
Rigid-plastic dielectric
 
Grommet & Seals
Silicone-based elastomer

 

 

Electrical Data

Working & Test Voltage

 

Current Rating

Wire Range Sizes
24 – 12 AWG
 
Insulation Resistance
5,000 megohms minimum at 77°F (25°C) 500 megohms minimum at 392°F (200°C)
Class L and 347°F (175°C) Class W

 

 

Mechanical

Operating    TemperatureElectroless nickel and olive drab chromate over cadmium over nickel
                     -67°F up to +392°F (-55°C up to +200°C)

Wire Sealing Range

 

Insulation Strip Length

All dimensions in inches (millimeters in parentheses)

Mating Life
500 cycles minimum, 250 cycles minimum for shielded plug
 
Salt Spray
Class L, 48 hours unmated; Class W, 500 hours mated; 452 hours mated per MIL-STD-1344 Method, 1001 per MIL-DTL-26482 black zinc, 500 hours
 
Heat
All platings and materials, +392°F (+200°C); for 1000 hours to MIL-STD-1344 Method 1005.1
 
Chemical Resistance
Tested unmated according to MIL-DTL-26482 4.6.28 for hydraulic fluid, lubricating oil, deicing fluids, jet fuels, solvents and coolants
 
Vibration
10 to 2000Hz (20g’s) 10 microseconds maximum discontinuity. To MIL-STD-1344 Method 2005 per MIL-DTL-26482
 
Shock
150g’s 6ms duration, three major axes. 10 microsecond maximum discontinuity
 
Contact Type
Crimp, co-ax, twinax, thermocouple, printed circuit board, and fiber optic
 
Number of Circuits
3 to 61
 
Contact Insertion & Extraction
Insertion from rear of connector with simple plastic or high-quality metal hand-tool. Extraction from rear with plastic or high-quality metal hand-tools
 
Contact Retention
Per MIL-STD-1344A Method 2007 per MIL-DTL-26482

 

Approvals
MIL-DTL-26482

 

 

Excerpt from MIL-DTL-26482H

3.7.4 JAN and J marking. The United States Government has adopted and is exercising legitimate control over the certification marks “JAN” and “J”, respectively, to indicate that items so marked or identified are manufactured to, and meet all the requirements of specifications. Accordingly, items acquired to, and meeting all of the criteria specified herein and in applicable specifications shall bear the certification mark “JAN” except that items too small to bear the certification mark “JAN” shall bear the letter “J”. The “JAN” or “J” shall be placed immediately before the PIN except that if such location would place a hardship on the manufacturer in connection with such marking, the “JAN” or “J” may be located on the first line above or below the PIN. Items furnished under contracts or orders which either permit or require deviation from the conditions or requirements specified herein or in applicable specifications shall not bear “JAN” or “J”. In the event an item fails to meet the requirements of this specification and the applicable specification sheets, the manufacturer shall remove completely the military PIN and the “JAN” or the “J” from the sample tested and also from all the items represented by the sample. The “JAN” or “J” certification mark shall not be used on products acquired to contractor drawings or specification. The United States Government has obtained Certificate of Registration Number 504,860 for the certification mark “JAN” and Registration Number 1,586,261 for the certification mark “J”.

PIN = Part Identification Number

암페놀
Interconnect Product Manufacturer, Electrical, Electronic, Fiber Optic Connectors, Coaxial Cable and more
세계적로 사람들을 기술과 연결하는 비전 암페놀(Amphenol)은 세계에서 가장 큰 인터커넥트 제품 제조업체 중 하나입니다. 이 회사는 전기, 전자 및 광섬유 커넥터, 동축 및 평평한 리본 케이블, 그리고 인터커넥트 시스템을 디자인, 제조 및 마케팅합니다. 회사의 제품 주요 사용 분야는 케이블 텔레비전, 휴대전화 및 데이터 통신 및 정보 처리 시스템을 포함한 통신 및 정보 처리 시장, 항공우주 및 군용 전자 제품, 그리고 자동차, 철도 및 기타 교통 및 산업용 애플리케이션입니다.
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