Description：

SMP series RF coaxial connector is a kind of ultra-compact push-in connector, which has the advantages of small size, high operating frequency, fast connection and separation, strong vibration resistance, etc., and has certain axial and radial tolerance compensation ability.
According to the connection mechanism is divided into 3 kinds: Full detent, Limited detent and Smooth bore. This series of products can be customized according to customer requirements.

Application:

Widely used in phased array radar, satellite, aviation, spaceflight, electronic communication equipment.

Features:

--Small size, suitable for high-density installation 
--Wide frequency range, suitable for high-performance applications 
--Quick connection and separation, shorten the installation time of the equipment
--Blind mating, suitable for system-to-system interconnection 
--With a certain amount of float to eliminate printed circuit errors

Ordering Symbol:

SMP (G) - J  W  H  D   *   *   *   *   * 
①      ②     ③  ④ ⑤ ⑥  ⑦ ⑧ ⑨ ⑩ ⑪
① Primary Code: SMP 
② No marking - non-sealed type; (G)-gas-tight type; (W)-water-tight type 
③ Indicates the type of center contact: K-jack; J-pin 
④ Indicates the connector form structure: No marking - straight type; W-right-angled curved type 
⑤ Indicates the form of mounting of the outer conductor: No marking - free mounting; F - flange mounting; Y - threaded mounting; H - straight insertion welding mounting; T - surface paste welding mounting 
⑥ Indicates the form of termination: 
end connection cable connector: cable type; B - semi-rigid or semi-flexible cables; not marked - flexible cables 
end connection microstrip or PCB connector: D - microstrip line or PCB 
⑦ Extension of the serial number or the cable specifications: 1, 2, 3 
⑧ Outer conductor material: no marking - indicates that the deletion of the material; G - stainless steel 
⑨ Retrofit marking: A, B, C ......
⑩ Pin connector interface: F-Full detent; L-Limited detent; S-Smooth bore 
⑪ Customized markings

Main Performance Indicators:

The RF Connector serves as the critical gateway for high-frequency signal transmission in wireless communication, test instrumentation, and broadcasting systems. Designed to maintain characteristic impedance (typically 50Ω or 75Ω) across a wide bandwidth, a quality RF Connector minimizes signal reflection and insertion loss, ensuring that sensitive RF chains operate at peak efficiency. Whether you are deploying 5G base stations, radar arrays, or satellite ground terminals, choosing the right RF Connector directly impacts system reliability and measurement accuracy. Our RF Connector series features precision-machined contacts and robust dielectric materials, providing consistent performance from DC to 40 GHz.

Engineered for durability and environmental resilience, each RF Connector in this lineup meets stringent mechanical and electrical standards, including MIL-PRF-39012 and IEC 60169. The coupling mechanism—whether threaded (SMA, N, TNC), snap-on (SMB, MCX), or push-pull—ensures secure mating cycles of up to 500 operations without degradation. For outdoor or industrial applications, an IP67-rated RF Connector offers complete protection against dust and temporary immersion, while a low-PIM RF Connector is available for distributed antenna systems (DAS) and multi-carrier networks. Additionally, our RF Connector bodies are plated with gold, nickel, or passivated stainless steel to resist corrosion and intermodulation distortion.

Versatility defines our RF Connector family, which includes standard interfaces such as BNC, TNC, SMA, SMB, MCX, MMCX, N, 4.3-10, and miniaturized types like SMP and SSMA. For quick field assembly, a crimp-style RF Connector reduces installation time, while a solder-clamp RF Connector offers superior cable retention for heavy-duty use. We also provide panel-mount, PCB-mount, and bulkhead variations of the RF Connector to suit any layout requirement. Backed by 100% sweep testing and RoHS compliance, our RF Connector ensures repeatable performance and long-term reliability. Upgrade your system with the precision of our RF Connector—where every connection counts.

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.