The UPB453215T-121Y-N is a common mode choke manufactured by Chilisin. Common mode chokes are passive electronic components used to suppress common-mode noise in electronic circuits. Common-mode noise is unwanted electromagnetic interference (EMI) that is present on both signal lines with the same phase and amplitude. These chokes are crucial for reducing EMI and improving signal integrity in various applications.

Applications

• Power Line Filtering: Used to suppress common-mode noise on power lines, reducing EMI and improving power quality.
• USB Interfaces: Employed in USB interfaces to suppress common-mode noise and ensure reliable data transmission.
• HDMI Interfaces: Utilized in HDMI interfaces to reduce EMI and improve signal integrity.
• Ethernet Interfaces: Used in Ethernet interfaces to suppress common-mode noise and ensure reliable data communication.
• Signal Line Filtering: Implemented in various signal lines to reduce EMI and improve signal quality.

Features

• Common Mode Choke: Designed to suppress common-mode noise.
• High Common Mode Impedance: Offers high impedance to common-mode noise, effectively attenuating it.
• Low Differential Mode Impedance: Presents low impedance to differential-mode signals, allowing them to pass through with minimal attenuation.
• Surface Mount Package: Typically available in a small surface-mount package for efficient board space utilization.
• Compact Size: The small package size allows for high-density circuit designs.

Benefits

• EMI Suppression: Effectively suppresses common-mode noise, reducing EMI and improving signal integrity.
• Improved Signal Quality: Reduces noise and interference, improving the quality of signals.
• Enhanced System Performance: Improves the performance of electronic systems by reducing EMI.
• Compact Size: The small package size allows for high-density circuit designs.
• Easy to Use: Easy to implement in electronic circuits.

Additional Details

The UPB453215T-121Y-N is characterized by its impedance at a specific frequency, its rated current, and its DC resistance. Detailed specifications, including impedance vs. frequency characteristics, rated voltage, and operating temperature range, can be found in the device datasheet. Understanding the common-mode impedance and differential-mode impedance is crucial for proper circuit design and noise suppression.