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What are the differences between BNC and Q9 connector?

Author: Date:3/15/2020 5:32:04 PM
 As to RF connectors.There is a product series which named Q9. What are the differences between BNC and Q9 connectors?It’s believed that many people do not know the answer. ROHO will introduce the knowledge of Q9 and BNC connectors as below for you so that you can tell them apart easier.

Bnc connectors (flat patternmaking )

The full name of bnc connector is Bayonet Neill-concelman. The literal translation is Neil-Consemman,It is consisted of a central pin,a jacket and the a SD.The outline of Q9 connector is almost the same with bnc connector.so that the layman can’t tell then apart at all.even many people have monopoly in bnc connectors also don’t know the difference about the Q9 connnector and bnc connector.

Consequently, many people sold the Q9 connector as bnc connector.

The difference between BNC connector and Q9 connector:the standard dimension of bnc is feet.specificly showed in the core (the red circle pointed by the arraows in the below picture),rubber core of bnc is thinner and further form the edge(3.8mm) than Q9 connector.Q9 is thicker and closer form the edge.

Q9 connector (flat patternmaking)

Q9 and bnc like the DB9 a couple of male and female .they are applied in the oscilloscope,signal generator ect.The caliber of Q9 and bnc have a little difference.

The central gap of bnc female is slightly bigger than Q9,Generally.The oscilloscope use bnc,Q9 is also can be pluged in.and if works for a long time,it will go wrong.The head of another half is marked.you will find that if more carefully observation.50 ohm is suitable for transfer power.75 ohm is suitable for transfer signal.the digital cable must be 75 ohm.