447650-3

Series:	--
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Connector Style:	SMA
Connector Type:	Jack, Female Socket
Contact Termination:	Crimp
Shield Termination:	Crimp
Impedance:	50 Ohm
Mounting Type:	Panel Mount
Mounting Feature:	Bulkhead - Front Side Nut
Cable Group:	RG-174, 188A, 316
Fastening Type:	Threaded
Frequency - Max:	12.4GHz
Number of Ports:	1
Features:	--
Housing Color:	Silver
Ingress Protection:	--
Includes:	6 pcs - 1 Connector, 1 Contact, 1 Ferrule, 1 Gasket, 1 Lockwasher, 1 Nut
Body Material:	Brass
Body Finish:	Nickel
Center Contact Plating:	--
Dielectric Material:	--
Operating Temperature:	--
Center Contact Material:	--
Voltage Rating:	335V
Mating Cycles:	500
Insertion Loss:	0.3dB

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Coaxial Connectors (RF)

Coaxial connectors, also known as RF connectors, are used to join two pieces of coaxial cable and facilitate the transfer of EM signals over long distances. The 447650-3 (MIL-C-39012) is a UHF series connector commonly used in the military, aerospace, and communications industries for RF applications.

Design

The connector is designed with an impedance of 50 ohms, making it suitable for high-frequency applications such as wireless antenna systems and radio frequency devices. The 447650-3 features a machined, gold-plated center contact and stainless steel body for better connective life and reliability. The male and female connectors consist of a precision outer shell with a reverse-mounted internal contact and an inner sleeve. The contact spacing for the connector is rated at 0.25 in (6.35mm), making it compatible with any standard RG-58 or similar cable. It also features a black turn-lock collar to ensure a secure fit.

Working Principle

When two connectors are mated, the contacts of both connectors are joined and form an oxygen-free copper conductive path. This is because the outer and inner sleeve tapers are machined and coated with metal after-treatment. As a result, the contact between the pins acts as a shield while also providing an air-tight connection. The two connectors are held in place by the turn-lock collar, providing an additional air-tight seal.

Application Field

The connector is popular in military and aerospace applications because its resistance to physical shock and vibration makes it suitable for high-demand environments. It can also be used in wireless antenna systems, telecommunications and radio frequency applications, including GPS systems, UHF radios, radar systems, and antennas. Additionally, it is also suited to applications where ruggedness and low insertion loss are required, such as satellite communications and cellular networks.

Conclusion

The 447650-3 coaxial connector is the perfect choice for RF applications which require a reliable and durable connection. It has a 50 ohm impedance and is compatible with standard RG-58 cables. It also has a unique black turn-lock collar which facilitates tight connections. Furthermore, its resistance to physical shock and vibration makes it ideal for high-demand environments like military and aerospace applications.

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