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The B82722A2102N001 is a high-performance common mode choke from EPCOS (TDK Electronics) B82722 series, designed to suppress common mode noise and electromagnetic interference in power lines. Featuring a dual-line structure, it provides 10mH common mode inductance at 10kHz, with a rated current of 1A and a rated AC voltage of 250V. It offers good frequency characteristics and high-temperature stability, making it suitable for switched-mode power supplies, motor drives, industrial controls, and various electronic devices with high electromagnetic compatibility requirements.
Category:Filters;Common Mode Chokes
Manufacturer:EPCOS - TDK Electronics
Series:B82722
Packaging:Tray
Part Status:Active
Filter Type:Power Line
Number of Lines:2
Inductance @ Frequency:10 mH @ 10 kHz
Current Rating (Max):1A
Voltage Rating - AC:250V
Operating Temperature:-40°C ~ 125°C
Mounting Type:Through Hole
Size / Dimension:0.894" L x 0.878" W (22.70mm x 22.30mm)
Height (Max):0.524" (13.30mm)
Package / Case:Horizontal, 4 PC Pin
High Common Mode Inductance:Provides 10mH common mode inductance at 10kHz, effectively suppressing high-frequency common mode noise on power lines.
Dual-Wire Symmetrical Winding Structure:Dual-wire parallel winding ensures high impedance to common mode signals without affecting differential mode signal transmission.
Wide Operating Temperature Range:Operates from -40°C to 125°C, suitable for industrial and automotive environments with extreme temperature variations.
High Rated Voltage and Current:Rated for 250V AC and 1A current, suitable for noise filtering in low to medium power supply inputs.
Good Frequency Response:Maintains stable inductance over a wide frequency range, effectively covering common switching noise bands.
Robust Mechanical Construction:Horizontal through-hole pin design ensures secure mounting, suitable for vibratory environments.
Input Filtering for Switched-Mode Power Supplies:Used at the input of AC-DC power modules, adapters, and industrial power supplies to suppress conducted noise and meet EMC standards.
Motor Drives and Inverters:Suppresses common mode interference generated by motors in inverters, servo drives, power tools, etc.
Industrial Control Equipment:Used at power ports of PLCs, industrial computers, and measurement instruments to enhance system noise immunity.
Lighting Electronics:Reduces power supply noise interference in LED drivers, electronic ballasts, and dimming control circuits.
New Energy Vehicles and Charging Equipment:Suitable for onboard chargers, DC-DC converters, and other applications to suppress high-frequency switching noise.
The B82722A2102N001 is a reliable and robust common mode choke featuring high inductance, wide-temperature operation, and excellent noise suppression capabilities. It is widely used in various power and drive systems to effectively improve electromagnetic compatibility, making it a key filtering component in building low-noise, high-reliability power electronic systems.
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