SMB connectors

SMB connectors are compact RF coaxial interfaces designed for applications requiring reliable signal transmission in limited space. This category includes PCB, cable and bulkhead versions suitable for standardized RF assemblies.

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More information

Overview of SMB RF connectors

SMB connectors are miniature coaxial RF connectors with snap-on coupling, commonly used in applications where compact size and quick connection are required. They are typically employed in low to mid-frequency RF systems and standardized test environments.

Available configurations

  • PCB mount (vertical and right-angle)
  • Cable connectors for flexible and semi-rigid coax
  • Bulkhead and panel-mount versions
  • Male and female interfaces

Technical characteristics

  • Impedance: 50 Ω
  • Snap-on coupling mechanism
  • Compact mechanical footprint
  • Compatibility with standard SMB interfaces

Typical applications

  • RF test equipment
  • Telecommunications modules
  • Embedded RF boards
  • Instrumentation and measurement systems

Frequently Asked Questions

What distinguishes SMB connectors from SMA?

SMB connectors use a snap-on coupling instead of a threaded interface, allowing faster mating but with lower mechanical retention compared to SMA.

Are SMB connectors standardized?

Yes, SMB interfaces follow standardized dimensions to ensure cross-compatibility between manufacturers.

Can SMB connectors be used on PCBs?

They are commonly available in surface-mount and through-hole PCB configurations.

Are SMB connectors suitable for repeated connections?

They support multiple mating cycles, though not intended for high-cycle mechanical stress applications.

Do SMB connectors support different cable types?

Variants exist for flexible, semi-rigid and micro-coaxial cables, depending on connector design.

Are SMB connectors interchangeable with SMC?

No, SMB and SMC connectors differ in size and interface geometry and are not mechanically compatible.

For non-standard configurations or application-specific requirements, please contact our technical team.