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Amphenol AIT2203SC Circular Connector

Amphenol AIT / MS connectors are cost-effective, threaded circular connectors designed for harsh environments. Compliant with SAE-AS50151 (MIL-DTL-5015) standards, they are sealed to resist moisture, condensation, vibration, and flash-over. Available in over 286 contact layouts, these connectors support power, signal, or mixed contact configurations. They come in five mounting styles, nineteen shell sizes, and offer solder or crimp termination options.

Authorized Distributors
Source:Newark
Part No:AIT2-20-3SC
Stock:256
Inv Date:05-29-2026
Price: Unit price: $23.49
Buy/RFQ:
Source:DigiKey
Part No:AIT2-20-3SC
Stock:39
Inv Date:05-29-2026
Price: Unit price: $26.31
Buy/RFQ:
Part No:AIT2-20-3SC
Stock:0
Inv Date:05-30-2026
Price: Unit price: $21.3
Buy/RFQ:
Part No:AIT2-20-3SC
Stock:169
Inv Date:05-29-2026
Price: Unit price: $23.39
Buy/RFQ:

Amphenol AIT2203SC Circular Connector Specifications:

  • Shell Material: Aluminum alloy
  • Plating: Olive drab chromate coating over cadmium plating, electroless nickel, anodized, gray zinc nickel, or green zinc
  • Temperature Range: -67°F to +257°F (-55°C to +125°C)
  • Vibration Resistance: As per MIL-STD-1344 Method 20085
  • Salt Spray: 48-hour corrosion resistance per MIL-STD-1344 Method 1001 (cadmium), 500 hours for salt spray
  • Insulator Material: Resilient neoprene or Viton®
  • Wire Gauge Range: 24 to 0 AWG
  • Current Capacity: Up to 150A for standard contacts, 255A with Radsok® contacts
  • Operating Voltage: Up to 1,750V depending on contact size and configuration
  • Mechanical Durability: Minimum 100 mating cycles
  • Electrical Resistance: Contact resistance max 0.2 milliohm
  • Sealing: Liquid-tight assembly with neoprene insulator and rear-seal grommet
  • Environmental Resistance: Moisture, pressure, vibration, and temperature extremes
  • Certifications: MIL-DTL-5015, UL Listed

Buy the Buy Amphenol Circular Connector Part Number AIT2203SC Online

Purchase the Amphenol AIT2203SC circular connector online today and benefit from high-quality sealing, durability, and versatile contact configurations. Designed for demanding industrial and military applications, this sealed connector supports power and signal needs across a wide temperature range. With various mounting styles and sizes, it ensures reliable connections even in vibration, moisture, and extreme temperature conditions. Buy now to ensure your equipment operates flawlessly in challenging environments with proven Amphenol reliability.

Buy Amphenol AIT2203SC now and experience unmatched reliability and performance in harsh environments.

Frequently Asked Questions

Where can I buy Amphenol AIT2203SC?

You can click on the BUY or RFQ button to purchase AIT2203SC from an authorized Amphenol distributor.

How do I troubleshoot issues or seek technical support for part AIT2203SC?

You can download the AIT2203SC datasheet or visit the Amphenol website for support.

Who is the manufacturer of AIT2203SC?

Amphenol

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