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Amphenol D3899926FD5PN High Density Circular Connector

The MIL-DTL-38999 Series III is a high-performance circular connector engineered for aerospace and military applications. It boasts a durable metal shell, EMI/RFI shielding for interference protection, and robust sealing against environmental factors. Offering a variety of contact configurations including coaxial, twinax, and power, the connector ensures reliable electrical performance in severe conditions. Its quick coupling design allows for effortless mating, and optional features like hermetic sealing and firewalls enhance versatility for demanding environments. This series is ideal for high-reliability aerospace, military, and space systems with extensive environmental protection and electrical integrity.

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Source:Newark
Part No:D38999/26FD5PN
Stock:330
Inv Date:06-11-2026
Price: Unit price: $252.91
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Source:Newark
Part No:D38999/26FD5PN
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Price: Unit price: $1915.55
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Source:Newark
Part No:D38999/26FD5PN
Stock:139
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Price: Unit price: $63.98
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Part No:D38999/26FD5PN
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Inv Date:06-12-2026
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Part No:D38999/26FD5PN
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Price: Unit price: $53.8
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Part No:D38999/26FD5PN
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Inv Date:06-12-2026
Price: Unit price: $135.28
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Part No:D38999/26FD5PN
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1590.15
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Source:DigiKey
Part No:D38999/26FD5PN
Stock:145
Inv Date:06-11-2026
Price: Unit price: $97.92
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Source:DigiKey
Part No:D38999/26FD5PN
Stock:808
Inv Date:06-11-2026
Price: Unit price: $274.68
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Authorized Distributors
Source:DigiKey
Part No:D38999/26FD5PN
Stock:35
Inv Date:06-11-2026
Price: Unit price: $5039.82
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Source:DigiKey
Part No:D38999/26FD5PN
Stock:17
Inv Date:06-11-2026
Price: Unit price: $260.16
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Source:DigiKey
Part No:D38999/26FD5PN
Stock:57
Inv Date:06-11-2026
Price: Unit price: $69.16
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Part No:D38999/26FD5PN
Stock:0
Inv Date:06-11-2026
Price: Unit price: $67.83
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Part No:D38999/26FD5PN
Stock:100
Inv Date:06-11-2026
Price: Unit price: $54.3541
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Part No:D38999/26FD5PN
Stock:412
Inv Date:06-11-2026
Price: Unit price: $40.0816
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Part No:D38999/26FD5PN
Stock:12
Inv Date:06-11-2026
Price: Unit price: $45.1504
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Part No:D38999/26FD5PN
Stock:302
Inv Date:06-11-2026
Price: Unit price: $54.3541
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Part No:D38999/26FD5PN
Stock:1238
Inv Date:06-11-2026
Price: Unit price: $40.0816
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Authorized Distributors
Part No:D38999/26FD5PN
Stock:36
Inv Date:06-11-2026
Price: Unit price: $45.1504
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Part No:D38999/26FD5PN
Stock:702
Inv Date:06-11-2026
Price: Unit price: $39.78
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Part No:D38999/26FD5PN
Stock:222
Inv Date:06-11-2026
Price: Unit price: $70.11
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Amphenol D3899926FD5PN High Density Circular Connector Specifications:

  • Shell Material: Aluminum or Stainless Steel with various finishes including cadmium, nickel, electroless nickel, and hermetic sealing options.
  • Contact Sizes: From 8 to 22D, including coax, twinax, power, and fiber optic contacts.
  • Environmental Resistance: Salt spray resistance up to 500 hours for metal shells, 2000 hours for composite shells; operates from -65°C to +175°C.
  • Electrical Ratings: 50-450 Amps depending on contact size and configuration; dielectric withstanding voltage up to 1000 VRMS at sea level.
  • Shielding: EMI/RFI shielding effectiveness minimum 65 dB at 10 GHz, metal-to-metal coupling for high EMI immunity.
  • Mechanical: Quick disconnect coupling, scoop-proof design, lockwiring elimination, with multiple insert arrangements for tailored configurations.
  • Dimensions: Shell sizes range from approximately 9 to 25, with each size accommodating a variety of insert arrangements for different contact counts, with detailed dimensions available in official drawings.
  • Certifications: Qualified to MIL-DTL-38999 Series III standards, including environmental and performance requirements for aerospace and military applications.
  • Design Features: Recessed pins for contact protection, optional hermetic and fire-resistant shells, diverse plating options for corrosion resistance, and high vibration and shock resistance.

Buy the Amphenol 38999 Series III - Reliable High Density Connectors for Industrial Applications

Order Amphenol 38999 Series III connectors online today to ensure your aerospace, military, or industrial systems have the highest quality, reliability, and environmental resistance. Our connectors feature advanced EMI/RFI shielding, corrosion-resistant finishes, and versatile configurations to meet demanding operational standards. With easy installation and proven durability, buying online guarantees prompt delivery and access to technical support. Secure your high-performance connection solution now and optimize your system’s reliability and performance in harsh environments.

Buy Amphenol 38999 Series III connectors now and experience unmatched durability, EMI shielding, and environmental protection for aerospace and military operations.

Frequently Asked Questions

Where can I buy Amphenol D3899926FD5PN?

You can click on the BUY or RFQ button to purchase D3899926FD5PN from an authorized Amphenol distributor.

How do I troubleshoot issues or seek technical support for part D3899926FD5PN?

You can download the D3899926FD5PN datasheet or visit the Amphenol website for support.

Who is the manufacturer of D3899926FD5PN?

Amphenol

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