7352-V-RC

Voltage Rating - AC:	--
Package / Case:	Vertical, 4 PC Pin
Height (Max):	0.669" (17.00mm)
Size / Dimension:	0.669" Dia (17.00mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-55°C ~ 105°C
Series:	7300
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	400 mOhm
Current Rating (Max):	850mA
Inductance @ Frequency:	2mH @ 1kHz
Number of Lines:	2
Filter Type:	--
Part Status:	Active
Packaging:	Bulk

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Common Mode Chokes

Common Mode Chokes, also known as EMC filters, are an important component in the world of electrical engineering, both as part of power conditioning systems and in signal applications in electrical systems. In both applications, common mode chokes are used to reduce the effects of electromagnetic interference (EMI) or other electrical noise, which can cause issues in both signal and power performance.The 7352-V-RC is a specific type of common mode choke designed by Schaffner for signal applications. It is well known for its excellent levels of noise reduction and reliability, making it an ideal choice for applications ranging from home entertainment systems, through industrial control systems, to communication equipment.

How Does the 7352-V-RC Work?

The 7352-V-RC works by creating a choke which resists the flow of common mode electrical current between two components. This reduces the common mode current and therefore reduces the amount of EMI generated.The 7352-V-RC consists of two or more symmetrically wound coils, with one winding acting as a primary core and the other(s) acting as secondary cores. These cores are connected in series and wound with opposite polarities, with the primary core running in a clockwise direction and the secondarycore running in an anticlockwise direction. This creates an impedance which higher than the individual winding impedances, allowing the device to reduce the flow of common mode current.Additionally, the 7352-V-RC provides the option for a capacitor to be connected in parallel with the coils. This capacitor is used to reduce the amount of high frequency noise, further reducing the effects of EMI in the system.

Application Field

The 7352-V-RC is predominantly used to reduce EMI in signal applications. Most notably, it is often included in 3-phase motor systems, where it helps to reduce the harmonious resonance and mains interference that can sometimes occur. Additionally, such chokes have been used in a variety of broadcasting and data transmission systems, both to reduce EMI and to protect the components from voltage transients.The 7352-V-RC is also used in audio and video systems as a reliable and effective tool for reducing hum noise. This type of noise is caused by distant alternating current fields, such as those produced by motors, welding machines, and neon lighting. As well as reducing hum noise, the 7352-V-RC also helps to reduce the noise caused by power surges and lightning strikes.

Conclusion

The 7352-V-RC is a versatile common mode choke which is suitable for a variety of signal applications. It works by creating an impedance between two components which reduces the flow of common mode current, thus reducing the level of EMI that is produced. Not only does this help to reduce hum, power surges, and voltage transients, but it also increases the reliability and performance of the equipment it is used in.

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