SC-20-D010

Series:	SC
Packaging:	Bulk
Part Status:	Active
Filter Type:	Power Line
Number of Lines:	2
Inductance @ Frequency:	10µH @ 100kHz
Current Rating (Max):	20A
DC Resistance (DCR) (Max):	8 mOhm
Voltage Rating - DC:	250V
Voltage Rating - AC:	250V
Operating Temperature:	-25°C ~ 105°C
Ratings:	--
Approvals:	--
Features:	--
Mounting Type:	Through Hole
Size / Dimension:	1.339" Dia (34.00mm)
Height (Max):	0.906" (23.00mm)
Package / Case:	Horizontal, No Base, 4 PC Pin

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Common Mode Chokes

Common mode chokes are an important part of any electronic system. They are used to reduce and filter unwanted electromagnetic radiation from the system. SC-20-D010 is a high frequency common mode choke developed for a range of power electronic applications. It is designed to provide excellent functioning while providing reliable and durable operation.

Application Field

The SC-20-D010 is a high-bandwidth common mode choke, designed for use in many different applications. It can be used in power electronic applications as a common mode filter for switching power converters, rectifiers, and inverters. It can also be used in high power switchmode applications such as power supplies, class-D amplifiers, and motor drives. Furthermore, the resistor can also be used in applications such as electric vehicles, power distribution systems, and telecommunication networks.

Working Principle

The SC-20-D010 common mode choke uses a combination of capacitors, inductors, and resistors to attenuate common mode and differential mode signals. It works by forming a low-pass filter, which allows it to reduce the higher frequency components of the signal while still allowing the lower frequency components to pass. The inductors act as inductive reactance to reduce the current flow and the capacitors act as capacitive reactance to reduce the voltage across them. Additionally, the resistors act as resistive reactance to reduce the power dissipated in the choke.When high-frequency currents are present, the inductors induce an opposing current and the capacitors provide a path of least reactance, which allows the current to pass with minimal losses. This prevents the current from reflecting back into the circuit, and thus, reduces any unwanted EMI radiation. It also helps protect the electrical devices from transient voltage spikes, which can cause damage if left unchecked.

Conclusion

The SC-20-D010 common mode choke is an effective way to reduce EMI radiation in power electronic applications. Its high-bandwidth design makes it ideal for use in high power switchmode circuits and electric vehicle power systems. Additionally, the low-pass filtering helps protect circuits from transient voltage spikes, and the inductors and capacitors provide an effective way to reduce the high-frequency common-mode current.

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