Military grade Amphenol 21-033908-025 contacts compatible with MIL-DTL-38999 and SAE AS39029 standards
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 are engineered for superior electrical performance, high data transfer rates, and excellent EMI compatibility, supporting frequencies from DC up to 40 GHz. They are primarily integrated into MIL-DTL-38999 circular connectors but are also available for other Amphenol connector series, including heavy-duty circular, printed circuit board, and rack & panel connectors. Amphenol provides solutions for coaxial, twinax, triax, quadrax, and differential twinax signal transmission, along with transition adapters for seamless PCB integration. Cable assembly and rigorous testing capabilities ensure reliable end-to-end interconnect solutions.
Product Attributes
- Brand: Amphenol Aerospace
- Certifications: MIL-DTL-38999, MIL-DTL-5015, MIL-DTL-22992, SAE AS39029 compliant
- Material: Gold plated over nickel on mating parts (standard)
- Typical Markets: Military & Commercial Aviation, Military Vehicles, Missiles & Ordnance, C4ISR
Technical Specifications
| Contact Type | Size | Impedance (Ohms) | Frequency Range | Key Features | Typical Applications |
|---|---|---|---|---|---|
| Coaxial | 4, 8, 12, 16 | 50, 75 | DC to 40 GHz (Size 8) | Shielded, matched impedance options, "Float Mount" technology (Size 8) | RF/microwave, shielded wire applications, data bus, LAN |
| Concentric Twinax | 8, 10, 12 | 77, 95, 100 | 030 MHz (Size 10 & 12), 020 MHz (Size 8) | Protection from magnetic and electrostatic interference, shield integrity | MIL-STD-1553B Airborne multiplex data bus |
| Triax | 8, 10, 12 | 50, 75 | 0-30 MHz (Size 12), 0-300 MHz (Size 10), 0-500 MHz (Size 8) | Three conductors, improved shielding effectiveness, dielectric insulation | Triax cable applications |
| Differential Twinax | 8 | 100, 150 | Up to 1.25 GHz | Two inner contacts forming matched impedance differential pairs, high data rates, low power consumption | Ethernet (10/100/1000/10GBASE-T), USB 2.0, Serial Rapid IO, PCI-Express 2.0 |
| Quadrax | 8 | 100, 150 | Up to 1.25 GHz | Four inner contacts forming two matched impedance differential pairs, enhanced crosstalk performance (Split-Pair) | Ethernet (10/100/1000/10GBASE-T), DVI, USB 2.0/3.0, Serial Rapid IO, PCI-Express 2.0, HDMI 1.3a, SATA 2.0 |
| PC Tail Contacts (Coax, Twinax, Triax, Quadrax) | Various (8, 10, 12, 16) | Various (50, 75, 100, 150) | Varies by contact type | Direct termination to printed circuit boards, cost-effective packaging | Limited space applications, PCB integration |
| Transition Adapters (Quadrax, Differential Twinax) | Size 8 | 100, 150 | N/A | Facilitate launching controlled impedance signals to PCBs, threaded or cable-to-board styles, 90 or straight receptacles | PCB integration for high-speed signals |
| Micro D-Twinax Transition Adapters | N/A | 100 | N/A | Push-pull quick disconnect coupling, miniature size, rugged construction | PCB interconnection for high-speed twinax contacts |
2504101957_Amphenol-21-033908-025_C17639459.pdf
