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AMPHENOL COMMUNICATIONS SOLUTIONS L77SDD50SC309 PCB Mount Connector

The Amphenol SD Series connectors are precision-formed PCB mount connectors available in standard and high density configurations. Designed with stamped and formed contacts, these connectors feature reliable insulators with closed entry contact cavities, suitable for industrial and telecommunication applications. Constructed with durable materials such as UL 94V-0 thermoplastic shells and gold-plated brass contacts, they offer excellent electrical performance, with current ratings of 5A for standard density and 3A for high density. They withstand operating temperatures from -55°C to +125°C and comply with MIL C24308 standards, providing robust, reliable connections for demanding environments.

Authorized Distributors
Source:Newark
Part No:L77SDD50SC309
Stock:482
Inv Date:06-01-2026
Price: Unit price: $2.68
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Source:DigiKey
Part No:L77SDD50SC309
Stock:417
Inv Date:06-01-2026
Price: Unit price: $6.44
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Part No:L77SDD50SC309
Stock:309
Inv Date:06-02-2026
Price: Unit price: $6.43
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Part No:L77SDD50SC309
Stock:0
Inv Date:06-01-2026
Price: Unit price: $6.32
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Part No:L77SDD50SC309
Stock:40
Inv Date:06-01-2026
Price: Unit price: $5.632
Buy/RFQ:
Part No:L77SDD50SC309
Stock:40
Inv Date:06-01-2026
Price: Unit price: $5.632
Buy/RFQ:

AMPHENOL COMMUNICATIONS SOLUTIONS L77SDD50SC309 PCB Mount Connector Specifications:

  • Shell Material: Steel
  • Insulator Material: Glass-filled thermoplastic, UL 94V-0
  • Pin Contact Material: Brass with gold plating
  • Socket Contact Material: Phosphor bronze with gold plating
  • Current Rating: Standard Density 5A, High Density 3A
  • Voltage Rating: 250V AC rms / 50Hz
  • Withstanding Voltage: 1000V AC rms / 50Hz for 1 minute
  • Insulation Resistance: 1000 MΩ at 500V DC
  • Contact Resistance: 20 mΩ max
  • Operating Temperature: -55°C to +125°C
  • Salt Spray Resistance: 24 hours
  • Physical Dimensions: Standard Density overall length approx. 12.55 mm, width approx. 7.9 mm, height approx. 8.38 mm; High Density length approx. 12.55 mm, width approx. 7.9 mm
  • Connectors comply with MIL C24308 and NFC 93425-HES standards
  • Gold Plating Thickness: Min 0.381 μm (151”) flash over nickel, or 0.76 μm (30p”) for specific plated options

Buy the Amphenol Series SD PCB Mount Connector: L77SDD50SC309

Experience the durability and precision of the Amphenol SD Series PCB mount connectors, designed for industrial and telecommunication use. These connectors offer excellent electrical performance, withstand extreme temperatures, and meet strict MIL standards. Crafted from premium materials with gold-plated contacts, they ensure long-lasting reliable connections. Whether standard or high density, these connectors provide flexible mounting options with robust construction. Enhance your assemblies with high-quality PCB connectors that deliver consistent performance in demanding environments. Buy online now for quality assured connectivity.

Order your Amphenol Series SD PCB Mount Connector today and give your electronics projects the reliable, high-quality connection they deserve.

Frequently Asked Questions

Where can I buy AMPHENOL COMMUNICATIONS SOLUTIONS L77SDD50SC309?

You can click on the BUY or RFQ button to purchase L77SDD50SC309 from an authorized AMPHENOL COMMUNICATIONS SOLUTIONS distributor.

How do I troubleshoot issues or seek technical support for part L77SDD50SC309?

You can download the L77SDD50SC309 datasheet or visit the AMPHENOL COMMUNICATIONS SOLUTIONS website for support.

Who is the manufacturer of L77SDD50SC309?

AMPHENOL COMMUNICATIONS SOLUTIONS

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