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Amphenol D3899920WG75SB Mil-Circular Connector

Mil-DTL-38999 Series III circular connector, high-performance military-grade electrical connector designed for robust and secure connections in demanding environments. Suitable for aerospace, military, and industrial applications, featuring durable construction and reliable contact interfaces.

Authorized Distributors
Source:DigiKey
Part No:D38999/20WG75SB
Stock:10
Inv Date:05-29-2026
Price: Unit price: $348.26
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Source:DigiKey
Part No:D38999/20WG75SB
Stock:0
Inv Date:05-29-2026
Price: Unit price: $413.213
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Source:DigiKey
Part No:D38999/20WG75SB
Stock:12
Inv Date:05-29-2026
Price: Unit price: $827.13
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Part No:D38999/20WG75SB
Stock:10
Inv Date:05-30-2026
Price: Unit price: $332.8
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Part No:D38999/20WG75SB
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1293.04
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Part No:D38999/20WG75SB
Stock:0
Inv Date:05-30-2026
Price: N/A
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Part No:D38999/20WG75SB
Stock:7
Inv Date:05-29-2026
Price: Unit price: $212.509
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Part No:D38999/20WG75SB
Stock:6
Inv Date:05-29-2026
Price: Unit price: $179.473
Buy/RFQ:
Part No:D38999/20WG75SB
Stock:2
Inv Date:05-29-2026
Price: Unit price: $212.509
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Authorized Distributors
Part No:D38999/20WG75SB
Stock:2
Inv Date:05-29-2026
Price: Unit price: $179.473
Buy/RFQ:
Part No:D38999/20WG75SB
Stock:9
Inv Date:05-29-2026
Price: Unit price: $817.05
Buy/RFQ:
Part No:D38999/20WG75SB
Stock:3
Inv Date:05-29-2026
Price: Unit price: $3055.28
Buy/RFQ:

Amphenol D3899920WG75SB Mil-Circular Connector Specifications:

  • Shell Material: Aluminum or Stainless Steel with several finish options
  • Shell Sizes: 9, 11, 13, 15, 17, 19, 21, 23, 25
  • Contact Types: Coax, Twinax, Power, Quadrax
  • Contact Sizes: 8, 12, 16, 20, 22D, 22M
  • Temperature Range: -65°C to +175°C
  • Insulation Resistance: 5000 megohms min. @ 500 VDC
  • Dielectric Withstanding Voltage: 1000 VRMS @ Sea level
  • Vibration Resistance: Meets MIL-STD-810, up to 200°C
  • Corrosion Resistance: Salt Spray, 500 hours for metal shells; 2000 hours for composite shells
  • EMI Shielding: -65dB to -50dB @ 10 GHz

Buy the Buy Amphenol D3899920WG75SB Online

Upgrade your project with the Amphenol Mil-DTL-38999 Series III Circular Connector. Built to withstand extreme conditions, it delivers exceptional durability, EMI shielding, and secure connections for aerospace, military, and industrial environments. Easy to install, with multiple contact sizes and finishes, this connector offers reliable performance and longevity. Get your high-quality, military-grade connector online today and ensure your equipment’s performance in the most demanding applications.

Order your Amphenol Series III D3899920WG75SB connector today and ensure reliable, high-performance connections in demanding aerospace and military applications.

Frequently Asked Questions

Where can I buy Amphenol D3899920WG75SB?

You can click on the BUY or RFQ button to purchase D3899920WG75SB from an authorized Amphenol distributor.

How do I troubleshoot issues or seek technical support for part D3899920WG75SB?

You can download the D3899920WG75SB datasheet or visit the Amphenol website for support.

Who is the manufacturer of D3899920WG75SB?

Amphenol

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