221221-2

Frequency - Max:	2GHz
Insertion Loss:	0.15dB
Mating Cycles:	500
Voltage Rating:	500V
Center Contact Material:	Beryllium Copper
Operating Temperature:	-55°C ~ 85°C
Dielectric Material:	Polyethylene (PE)
Center Contact Plating:	Gold
Body Finish:	Nickel
Body Material:	Brass
Includes:	4 pcs - 1 Connector, 1 Gasket, 1 Lockwasher, 1 Nut
Ingress Protection:	--
Housing Color:	Silver
Features:	--
Number of Ports:	1
Series:	--
Fastening Type:	Bayonet Lock
Cable Group:	RG-59, 59A, 59B
Mounting Feature:	Bulkhead - Front Side Nut
Mounting Type:	Panel Mount
Impedance:	75 Ohm
Shield Termination:	Crimp
Contact Termination:	Crimp
Connector Type:	Jack, Female Socket
Connector Style:	BNC
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Coaxial Connectors (RF): 221221-2 Application Field and Working Principle

Coaxial connectors is one of the commonly used connectors in the field of radio frequency (RF) technology, and the 221221-2 type is a popular version of the connector type. It usually comes with a BNC panel-mount receptacle/crimp connector and a BNC center adapter. This article will discuss the application field and working principle of the 221221-2 type coaxial connector.

Application Field of the 221221-2 Coaxial Connector

The 221221-2 BNC Connector is largely used in the field of communications, such as in applications related to instrumentation, CATV or in MATV systems. Typical examples of its applications include shortwave radio equipment, data transmission via LAN (Local Area Network), remote monitoring, video surveillance, RF transmitter, etc. The 221221-2 connector is also used in medical imaging systems, such as ultrasound systems, X-ray machines, MRI probes, and other imaging devices. In the automotive electronics industry, this type of connector is often used in automotive telemetry and tracking applications, due to its high frequency and wide bandwidth.

Working Principle of the 221221-2 Coaxial Connector

The 221221-2 coaxial connector is an electrical connector which uses a shielded inner conductor surrounded by an electrical shield and a dielectric insulator, usually found between the core conductor and the shield. It is widely used in radio frequency (RF) applications due to its high frequency and wide bandwidth.When this type of coaxial connector is used for connecting RF signals, an antenna is attached to the center adapter, usually with a short coaxial cable. The connector is then connected to an electronic device or other antenna. The signals then travel between the two with minimal distortion due to the shield and dielectric insulation which keep the signals insulated from each other. This helps to keep the interference caused by other strong signals away from the RF signal being transmitted.

Conclusion

The 221221-2 BNC Connector is currently one of the most widely used connectors in the field of radio frequency (RF) applications. With its ability to provide a good impedance match, low noise interference, and high frequency, it is ideal for use in applications such as shortwave radio equipment, data transmission via LAN (Local Area Network), medical imaging systems, automotive telemetry and tracking, and video surveillance. Furthermore, its working principle also ensures that strong interference signals are kept away from the RF signal being transmitted, resulting in a more reliable signal connection.

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