SMB Female Jack Bulkhead Connector,RF Connectors, Coaxial Connectors, RF Cable Connectors, Coaxial Cable connectors, 50 ohm connector, Manufacturer, Factory, Supplier, Right Angle Plug, Right Angle Connector

SMB Connectors Introduction SMB Connectors Introduction

SMB connector is one kind of coaxial RF connectors which have smaller size than SMA connector and were designed in 1960ís with snap-on coupling. The snap-on design permits rapid connection and disconnection in limited spaces.

SMB connectors are available either in 50ohm or 75ohm impedance. 50ohm SMB connectors usually was specified up to 4GHz, and 75ohm SMB connectors are specified for only 2GHz.

SMB connectors are designed originally with female contact in male body or male contact in female body. These connectors are popularly used in telecommunication and automotive.

Mechanical Feature:

SMB male

  • Snap-on coupling
  • Six slots radically spaced outer contact inside shell
  • Shell is fixed and canít be rotated.
  • Female center contact
  • Insulator surrounds female center contact wholly for 50ohm SMC male
  • An air gap between female center contact and outer contact for 75ohm SMB male

SMB female

  • Snap-on coupling
  • A trough for mating captive after a smooth area of dia. 3.7mm, 3.0mm length from mating end
  • Male center contact
  • Insulator nestles up throughout against outer contact. An air gap between insulator and male center contact for 50ohm SMB female
  • Reducing insulator amount. An air gap between male center contact and outer contact for 75ohm SMB connector
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