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SSMB Micro-strip RF Connectors Custom

Home / Products / Coaxial Connectors / SSMB RF Coaxial Connectors / SSMB Micro-strip RF Connectors

Yangzhou Jingcheng Electronics Co., Ltd.
  • Coaxial Connectors
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Yangzhou Jingcheng Electronics Co., Ltd.
Yangzhou Jingcheng Electronics Co., Ltd.
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SSMB Micro-strip RF Connectors Manufacturer

Product Introduction:
Microstrip connectors are mainly used to connect planar microstrip circuits on PCB boards. They are mounted at the board edge in an “End Launch” configuration, serving as a transition point between internal high-frequency signals and external transmission lines.

Product Features:
Compact board-edge spacing: The extremely small outer diameter of SSMB allows engineers to place more signal interfaces side by side within limited PCB edge space, supporting multi-antenna and multi-channel data transmission.
Precise physical matching: For the commonly used DC–3 GHz frequency range, the center conductor is precisely machined to ensure minimal impedance variation when signals transition across the board edge.
Reinforced soldering structure: The connector housing features a flat base or pins for secure soldering, ensuring strong attachment to the PCB and the ability to withstand mechanical pulling during daily use.

Application Advantages:
Maximized board space: Edge-mount installation frees up both sides of the PCB for placing components such as CPUs or power management chips.
Suppressed electromagnetic radiation: The tightly shielded housing effectively prevents signal leakage, reducing interference with other sensitive components on the board.

Temperature  Range

-55～+155℃

Impedance

50Ω

Frequency Range

DC～3GHz

Insulation resistance

≥1000MΩ

Voltage Standing Wave Ratio (VSWR)

≤1.07+0.10f

Durability(mating)

≥500 cycles

About
Yangzhou Jingcheng Electronics Co., Ltd.
Yangzhou Jingcheng Electronics Co., Ltd.

Yangzhou Jingcheng Electronics Co., Ltd., a premier China SSMB Micro-strip RF Connectors Manufacturer and SSMB Micro-strip RF Connectors Supplier, was founded in 1999. It is a high-tech enterprise specializing in the R&D and manufacturing of RF coaxial connectors, cable assemblies, and passive microwave components.
Equipped with a comprehensive R&D and production system, the company has obtained international certifications including ISO9001. Adhering strictly to standards such as MIL, IEC and GB, we offer over 30 product series with more than 2,000 specifications, covering SMA, BNC, N-type and other mainstream models. Our products are widely applied in the fields of communications, aerospace, automotive electronics and beyond, and exported to many countries and regions across Europe, America and Asia.
We uphold the tenet of "Quality as the Foundation, Customers as the Core", committed to providing reliable interconnection solutions and professional services for global clients.

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SSMB Micro-strip RF Connectors Industry knowledge

SSMB Micro-strip RF Connectors are a sub-miniature interconnect family derived from the SMB series, designed for printed circuit board (PCB) and micro-strip line applications where mounting space is limited. The connectors use a snap-on coupling mechanism and a 50-ohm impedance interface, allowing quick mating and de-mating without torque control tools. Compared with SMB connectors, SSMB Micro-strip RF Connectors have a reduced outer diameter and shorter mating length, which suits high-density board layouts, module-to-module links, and compact RF/microwave assemblies. The typical operating frequency range covers DC to 4 GHz or DC to 6 GHz depending on the dielectric and contact design, with insertion loss and VSWR values specified per interface size and cable type used in the assembly.

As a category, SSMB Micro-strip RF Connectors are supplied in board-mount (straight and right-angle), cable-mount plug/jack, and bulkhead configurations. Contact plating is generally gold or nickel over brass or beryllium copper, and dielectric materials are commonly PTFE or other low-loss insulators to keep signal integrity stable across the rated frequency range. Yangzhou Jingcheng Electronics Co., Ltd (JC Company) manufactures SSMB Micro-strip RF Connectors along with related SMB, MCX, MMCX and micro coaxial interconnect series, produced on CNC machining equipment and tested with network analyzers to verify electrical and mechanical parameters against GB, MIL-C and IEC reference standards.

Common Types and Characteristics

Type Mounting Style Coupling Typical Use
SSMB Plug (Male) Cable mount, crimp or solder Snap-on Cable assemblies, jumper links between modules
SSMB Jack (Female) PCB mount, straight or right-angle Snap-on Board-level RF signal entry/exit points
SSMB Bulkhead Jack Panel/chassis mount Snap-on Enclosure feedthrough, panel interconnect
SSMB Right-Angle PCB Surface mount or through-hole Snap-on Low-profile board layouts with side exit cable routing

Application Fields

  • GPS/GNSS receiver modules and antenna feed lines
  • Wireless communication modules and small-cell equipment
  • Test and measurement instruments with compact RF ports
  • Automotive telematics and onboard antenna interconnection
  • Industrial and medical devices requiring space-constrained RF links

Selection Points

Parameter Consideration
Frequency Range Match connector interface rating (DC-4GHz / DC-6GHz) to system operating band
Mounting Style Select board-mount, cable-mount, or bulkhead type based on available layout space
Cable/PCB Compatibility Confirm micro-strip trace dimensions or cable diameter match connector footprint
Plating Gold plating for lower contact resistance and repeated mating cycles; nickel for cost-sensitive builds
Environmental Rating Check operating temperature range and moisture exposure for the installation environment

Comparison with Related Micro-Coaxial Connectors

Series Coupling Type Relative Size Typical Frequency
SSMB Snap-on Smaller than SMB DC-4/6 GHz
SMB Snap-on Standard sub-miniature DC-4 GHz
MCX Snap-on Smaller than SMB, similar order to SSMB DC-6 GHz
MMCX Snap-on Smallest in this group DC-6 GHz

FAQ

Question Answer
What does SSMB stand for? SSMB refers to a sub-miniature snap-on interface derived from the SMB connector family, scaled down for micro-strip and board-mount applications.
Can SSMB connectors mate with SMB connectors? No. SSMB and SMB have different interface dimensions and are not interchangeable or cross-mateable.
What impedance do SSMB Micro-strip RF Connectors use? The standard impedance for this connector series is 50 ohms.
Are custom SSMB configurations available? Yangzhou Jingcheng Electronics Co., Ltd supports customized contact plating, cable termination, and mounting variants based on drawing or sample requirements.
What testing is applied to SSMB connectors before shipment? Units are checked for VSWR, insertion loss, and mechanical mating cycles using network analyzers and dimensional gauges in line with GB, MIL-C and IEC reference methods.