Twinax triax coax connectors Bel Fuse RFI3455-2-DD8 designed for military aerospace and defense applications
Product Overview
Cinch Connectivity Solutions, through its Trompeter brand, offers a comprehensive range of twinax/triax and coax connectors, cable assemblies, and related accessories. These products are engineered for high-performance applications in demanding environments such as military, space, and testing. The catalog details various series like 70/370 Series TRB/TRT, 150/3150 Series TRS/TTM, 450 Series, 80/380 Series TRC/TRN, and 30/330 Series TWBNC/TWTNC connectors, alongside a broad selection of BNC, TNC, Type N, and DIN connectors. Many products meet or exceed stringent military specifications, including MIL-C-49142 and MIL-STD-1553B. Cinch emphasizes custom solutions, quality engineering, and reliability across its product lines, serving critical applications where noise-free guarded circuits and robust connectivity are paramount.
Product Attributes
- Brand: Trompeter (by Cinch Connectivity Solutions)
- Market Focus: Military, Space & Testing Equipment, Aerospace, Military/Defense, Commercial, Rugged Harsh Environments, Communication, Digital Data Bus, Video Pair, MIL-STD-1553B, Base-band Circuit
- Key Technologies: Fiber Optic Expanded Beam, QPL Listed Products, Concentric Contact Designs, Tool Crimp, Wrench Crimp, Push-on, Hermetically Sealed
- Certifications: QPL to MIL-C-49142 (Category A & G), Meets MIL-C-49142, 48-hour salt spray requirement, Special plating available to satisfy MIL-STD-1344, 500-hour salt spray requirement
- Materials: Brass (Nickel-plated), Beryllium Copper, PTFE Dielectrics, Stainless Steel (for rope options)
- Finishes: Bright Nickel, Gold Plating (50 millionths inch)
Technical Specifications
| Series/Product | Characteristic | 70 Series (TRB/TRT) | 80 Series (TRC/TRN) | 150 Series (TRS/TTM) | 450 Series (TCS) |
|---|---|---|---|---|---|
| Nominal Impedance | Non-constant | Non-constant | Non-constant | Non-constant | |
| Frequency Range | 0-500 MHz | 0-500 MHz | 0-500 MHz | 0-2 MHz | |
| Voltage Rating (max.) @ sea level | 400 VRMS | 500 VRMS | 400 VRMS | 900 VRMS | |
| Voltage Rating (max.) @ 70,000 ft. | 100 VRMS | 125 VRMS | 100 VRMS | N/A | |
| Insulation Resistance | 5000 M | 5000 M | 5000 M | 5000 M | |
| Dielectric Withstanding Voltage (center cond. & inter. cond.) | 1200 VRMS | 1500 VRMS | 1200 VRMS | 900 VAC | |
| Dielectric Withstanding Voltage (inter. cond. & outer cond.) | 500 VRMS | 500 VRMS | 500 VRMS | 900 VAC | |
| RF High Potential Withstanding Voltage (center cond. & inter. cond.) | 800 VRMS @ 5-7.5 MHz | 1000 VRMS @ 5-7.5 MHz | 500 VRMS @ 5-7.5 MHz | 900 VAC @ 60 Hz | |
| RF High Potential Withstanding Voltage (inter. & outer cond.) | 200 VRMS @ 5-7.5 MHz | 350 VRMS @ 5-7.5 MHz | 125 VRMS @ 5-7.5 MHz | N/A | |
| Corona Level (min.) | 200 VRMS @ 70,000 ft. | 375 VRMS @ 70,000 ft. | 125 VRMS @ 70,000 ft. | 250 VAC @ 50,000 ft. | |
| Rise Time Degradation (max.) | 400 ps | N/A | 800 ps | 800 ps | |
| Connector Durability | 500 cycles minimum | 500 cycles minimum | 500 cycles minimum | 500 cycles minimum | |
| Temperature Range | -65 to +165C | -65 to +165C | -65 to +200C | -65 to 125C | |
| Center Contact Retention (Axial Force, min.) | Plug: 6 lbs; Jack: 6 lbs | Plug: 6 lbs; Jack: 6 lbs | Plug: 4 lbs; Jack: 2 lbs | Plug: 6 lbs; Jack: 6 lbs | |
| Cable Retention Force (min.) | 40 lbs | 65 lbs | 40 lbs | 40 lbs |
Note: Specifications are minimum unless otherwise stated. Trompeter connectors are designed to exceed all minimum specifications.
For detailed cable group information, refer to the Cable Group Tables on pages 74-91.
2411220410_Bel-Fuse-RFI3455-2-DD8_C17267648.pdf
