081-120

Frequency - Max:	2.2GHz
Insertion Loss:	--
Mating Cycles:	500
Voltage Rating:	335V
Center Contact Material:	Brass
Operating Temperature:	-55°C ~ 85°C
Dielectric Material:	Polytetrafluoroethylene (PTFE)
Center Contact Plating:	Tin
Body Finish:	Nickel
Body Material:	Brass
Includes:	3 pcs - 1 Connector, 1 Lockwasher, 1 Nut
Ingress Protection:	--
Housing Color:	Silver
Features:	--
Number of Ports:	1
Series:	--
Fastening Type:	Threaded
Cable Group:	--
Mounting Feature:	Bulkhead - Front Side Nut
Mounting Type:	Panel Mount
Impedance:	50 Ohm
Shield Termination:	Solder
Contact Termination:	Solder Cup
Connector Type:	Jack, Female Socket
Connector Style:	UHF, Mini
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Coaxial Connectors (RF)

Coaxial connectors (RF) are an important class of connectors used in the electronics industry. They are used to connect radio frequency (RF) signals between various components in electronic circuits. The connectors come in a variety of shapes, sizes, and materials, and they are designed to have excellent electrical properties such as low losses, low noise, and high isolation. This article will provide an overview of the various types of coaxial connectors (RF), their application fields, and the principles behind their working.

081-120 Application Field and Working Principle

The 081-120 series of coaxial connectors (RF) are a type of SMA, or sub-miniature version A, connectors and are often referred to as ‘mini-SMA’ connectors. They are relatively small connectors and are suitable for applications where space is limited but a reliable and robust performance is still required. These connectors are typically used in the 4-18 GHz frequency range and are an ideal choice for applications such as microwaves, millimeter-wave systems, and satellite communications. The 081-120 coaxial connectors (RF) have a 50 ohm electrical impedance, which allows them to interface seamlessly with most RF cables and equipment. The connectors are threaded for a secure connection and are typically constructed from nickel-plated brass or aluminum. The connector’s standard design features a center contact, a dielectric spacer, a dielectric insulator, a shielding sleeve, and a crimp ferrule. Many versions also use a compression ring and/or a secondary shield to further reduce signal losses and improve performance.The working principle of a 081-120 coaxial connector (RF) is simple. The center contact is responsible for carrying the primary signals and the shielding sleeve is responsible for shielding the signal lines from external interference or radiation. The dielectric spacer and insulator provide electrical insulation between the center contact and the shielding sleeve and prevent short-circuits. The compression ring and crimp ferrule further secure the connection and ensure that it is both mechanically and electrically reliable. In applications where higher power is required, such as in base stations and other high-power applications, special versions of the 081-120 coaxial connector (RF) with raised contacts or additional shielding may be used. These connectors are typically designed with a higher dielectric strength to allow for higher electrical current without risk of arcing or voltage breakdown.

Conclusion

The 081-120 series of coaxial connectors (RF) are an ideal choice for applications that require reliable transmission, low losses, and good shielding from external interference. The connectors are designed for an electrical impedance of 50 ohms and are typically constructed from nickel-plated brass or aluminum. Special versions with higher dielectric strength are available for applications requiring higher power. The working principle of the 081-120 coaxial connectors is simple and involves the use of a center contact, a dielectric spacer, a dielectric insulator, a shielding sleeve, a crimp ferrule, and a compression ring.

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