RN202-2-02

Voltage Rating - AC:	250V
Package / Case:	Vertical, 4 PC Pin
Height (Max):	0.543" (13.80mm)
Size / Dimension:	0.717" L x 0.346" W (18.20mm x 8.80mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	UR, VDE
Ratings:	--
Operating Temperature:	-40°C ~ 125°C
Series:	RN
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	70 mOhm (Typ)
Current Rating (Max):	2A (Typ)
Inductance @ Frequency:	1.1mH @ 1kHz
Number of Lines:	2
Filter Type:	Power Line
Part Status:	Obsolete
Packaging:	Tray

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Common mode chokes, also known as common mode inductors, are passive electrical components which essentially consist of a coil wound around a ferromagnetic core. These components are mainly used in power converters and in various other power electronic circuits to suppress unwanted signals, reduce harmonic noise, and protect components and the circuit from overloads. The RN202-2-02 application field and working principle are based on these principles.The RN202-2-02 is a common mode choke typically used in EMI/RFI filter circuits to reduce the common mode interference generated from noisy equipment. It is available in several different sizes and shapes to suit various applications. The working principle of the RN202-2-02 is based on the Weber-Wheeler effect, which states that an inductor\'s impedance will increase with frequency. When alternating current (AC) current is applied to the inductor coil, the electromagnetic fields around the core induce opposing currents in the winding, resulting in an increase in impedance at higher frequencies. This higher impedance will then attenuate the common-mode noise, thereby reducing the amount of radio-frequency interference (RFI) that is present.The RN202-2-02 can be used in combination with other components such as capacitors, resistors, and other inductors to form a complete noise suppression system. These systems are often employed in applications such as switching power supplies, switched-mode power supplies, power converters, and other power electronics circuits. In these applications, the RN202-2-02 helps prevent the noise from interfering with other critical components and devices.The RN202-2-02 also features a high insulation resistance and high voltage withstand capabilities. The high insulation resistance ensures that no electrical current can flow through the insulation material, and the high voltage withstand capability ensures that the RN202-2-02 can withstand high voltage transients. In order to properly use the RN202-2-02, it is important to select the correct size and type of inductor for the application. For example, a higher impedance inductor would be more effective at attenuating higher frequencies, whereas a lower impedance inductor would be more effective at attenuating lower frequencies. Additionally, it is important to ensure that the inductor is properly mounted within the circuit to ensure accurate operation.The RN202-2-02 is a great option for any application requiring effective EMI/RFI suppression and noise filtering. Its simple structure, large available size options, and versatile range of applications make it a reliable and common choice for any noise suppression circuit.

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