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Shanghai Yolanda New Material Co., Ltd. is a leading manufacturer of high-performance electronic components, leveraging deep expertise in advanced materials science to deliver innovative and reliable solutions. -
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2.92G-KFK
Description：
2.92 series is a precision millimeter wave connector developed on the basis of SMA, which can be interchanged with SMA series products. The inner diameter of the outer conductor is 2.92mm, the characteristic impedance is 50Ω, and the connection mechanism is 1/4-36UNS-2 inch thread RF coaxial connector. Adopting air interface, it has the advantages of small size, light weight, high frequency of use, reliable connection and so on. This series of products can be customized according to customer requirements.
Application:
Widely used in modern precision measurement field and all kinds of millimeter wave communication equipment.
Features:
--Excellent electrical performance below 46GHz and better than SMA connector below 18GHz.
--Mechanically compatible with existing SMA and APC-3.5 connectors
--Outer conductor wall thickness is thicker than that of SMA connector for high reliability.
Ordering Symbol:
2.92 (G) - * J W * H D * * *
① ② ③④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪
① Primary Code: 2.92
② No marking - non-sealed; (G) a gas-tight; (W) water-tight
③ Characteristic impedance: 50 Ω is not labeled; 75 Ω is labeled 75
④ Indicates the type of center contact: K - the center conductor for the jack; J - the center conductor for the pin
⑤ Indicates the connector shape and structure: no marking - straight; W - angled curved type - right-angle bend type
⑥ Safety wire holes: no logo - no safety wire holes; C - with safety wire holes
⑦ Indicates the form of mounting of the outer conductor: no logo - free mounting; F - flange mounting; Y - nut mounting; H - straight insertion of welded mounting; T - surface paste welded mounting
⑧ Indicates the form of termination:
Termination of the cable connector: cable type; B - half-rigid or half-soft cables; not labeled - flexible cables
Termination of the microstrip or PCB connector: D-microstrip or PCB
⑨ Connecting flexible cables: Y-crimp; H-solder
⑩ Extended serial number or cable specification: 1, 2, 3 ......
⑪ Outer conductor material: No marking-indicates cuttable material; G-stainless steel
Main Performance Indicators:
| Item | Indicator | |
| Insulation resistance | ≥5000MΩ(500VDC) | |
| Dielectric withstand voltage | 750V(50Hz,AC RMS,sea level) | |
| Frequency range | DC-18GHz | |
| Salt spray | ≥48 hours (96 hours according to customer requirements) | |
| Leak Rate | ≤1.013*10-³Pa.cm³/s(He) | |
| Operating temperature range | -65℃~+165℃ | |
| Characteristic Impedance | 50Ω | |
| Mechanical Life | 500 times | |
Material and Surface Coating | ||
| Item | Material | Surface Coating |
| Outer Conductor | Kovar | Nickel Plated Gold Plated |
| Dielectric Body | Glass | / |
| Inner Conductor | Kovar | Nickel Plated Gold Plated |
FAQ:
How do you assist clients with signal transition issues between RF connectors and PCBs?
- We offer more than just connectors; we provide simulation support. Our RF engineers use HFSS to help optimize the transition layout from the connector to the PCB microstrip, ensuring minimal signal reflection for your specific board material and stack-up.
Do you provide hermetic RF connectors with Pressure Windows?
- Yes. This design is developed for waveguide or coaxial systems requiring high/low-pressure differential isolation. We use high-strength sealing glass as the pressure window, maintaining high microwave signal transparency while withstanding significant pressure differences.
Can Yolanda custom-develop connectors for specialized impedance needs?
- Yes. While 50Ω is standard, we can customize impedance hermetic connectors for broadcasting or specific test systems. Our R&D team will perform new electromagnetic designs to ensure performance metrics across the entire frequency range.
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No. 344, Sanlin Road, Pudong New Area, 200124,Shanghai,China
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