coaxial contacts Amphenol M39029/76-424 designed for high frequency signal transmission up to 40 GHz
Manufacturer:
Amphenol
Description:
Circular Connector Contacts
Category:
Backshells and Cable Clamps/Circular Connector Contacts
Specifications
Mfr. Part #:
M39029/76-424
Model Number:
M39029/76-424
Introduction
Product Overview
Amphenol Aerospace offers a comprehensive range of high-frequency contacts designed for demanding applications in military and commercial aviation, military vehicles, missiles, and C4ISR systems. These contacts, including coaxial, twinax, triax, quadrax, and differential twinax types, are engineered for superior electrical performance, high data transfer rates, and excellent EMI compatibility. They are primarily designed for integration into MIL-DTL-38999 series circular connectors, providing reliable interconnection solutions for high-speed and high-frequency signal transmission up to 40 GHz. Amphenol also provides complementary transition adapters and cable assembly services to support complete system integration.
Product Attributes
- Brand: Amphenol Aerospace
- Certifications: MIL-DTL-38999, MIL-DTL-5015, MIL-DTL-22992, SAE AS39029
- Material: Gold plated over nickel on mating parts (standard)
- Finish: Gold plated per ASTM B488 Type II, Code C, over nickel plate per AMS-QQ-N-290 Class 2 (standard for many contacts)
Technical Specifications
| Product Type | Contact Size | Impedance | Frequency Range | Data Rate | Key Features | Typical Applications | Connector Compatibility |
|---|---|---|---|---|---|---|---|
| Coaxial Contacts | 4, 8, 12, 16 | 50 Ohm, 75 Ohm | DC to 40 GHz (Size 8) | N/A | Shielding protection, RF/microwave performance, Float Mount technology (Size 8) | RF/microwave, shielded wire applications | MIL-DTL-38999, MIL-DTL-5015, MIL-DTL-22992 |
| Twinax Contacts | 8, 10, 12 | N/A (for shielded wire) | 030 MHz (Size 10/12), 020 MHz (Size 8) | N/A | Protection from magnetic/electrostatic interference, shield integrity | Data Bus systems (MIL-STD-1553B), shielded wire applications | MIL-DTL-38999 Series I, II, III, SJT, ARINC 404, ARINC 600, R27 |
| Triax Contacts | 8, 10, 12 | N/A (for triax cable) | Size 12: 0-30 MHz, Size 10: 0-300 MHz, Size 8: 0-500 MHz | N/A | Three conductors, dielectric insulation, improved shielding | Triax cable termination | MIL-DTL-38999 Series I, II, III |
| Quadrax Contacts | 8 | 100 Ohm, 150 Ohm | Up to 1.25 GHz (standard), Up to 6.5 Gbps per pair (Split-Pair) | Exceeding 2.5 Gbps (standard), Up to 6.5 Gbps per pair (Split-Pair) | Two 100/150 Ohm matched impedance differential pairs, enhanced crosstalk performance (Split-Pair) | Ethernet (100 Base-T, Gigabit Ethernet), Fibre Channel, IEEE1394B FireWire | MIL-DTL-38999 Series III, ARINC 600, R27 |
| Differential Twinax Contacts | 8 | 100 Ohm, 150 Ohm | Up to 1.25 GHz | Exceeding 2.5 Gbps | One 100/150 Ohm matched impedance differential pair | High data transfer rates, USB 2.0, Serial Rapid IO | MIL-DTL-38999 Series III, ARINC 600, R27 |
| PC Tail Contacts (Coax, Twinax, Triax, Quadrax) | Various (8, 10, 12, 16) | Various (50, 75, 100, 150 Ohm) | Various (DC to 500 MHz for Coax/Triax, 0-20 MHz for Twinax) | N/A | Direct attachment to printed circuit boards, cost-effective packaging | Limited space applications, board-level interconnections | MIL-DTL-38999 Series I & III, ARINC 404, ARINC 600, R27 |
| Transition Adapters (Quadrax, Differential Twinax) | Size 8 | 100 Ohm, 150 Ohm | N/A | N/A | Facilitate launching controlled impedance signals to PCBs, threaded or cable-to-board styles, 90 or straight receptacles | PCB integration of high-speed signals | MIL-DTL-38999 Series III |
| Micro D-Twinax Transition Adapters | N/A | 100 Ohm | N/A | N/A | Push-pull quick disconnect, miniature size, rugged construction | High-speed twinax contacts to PCB boards | N/A |
2411041618_Amphenol-M39029-76-424_C17331445.pdf
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