P0473NL

Ⅰ.Overview of P0473NL

The P0473NL is a high-performance common mode choke, a critical component in electromagnetic interference (EMI) filtering systems. As a type of filter, it is specifically designed to suppress common mode noise—unwanted electrical signals that appear on both lines of a differential pair—while allowing the desired differential mode signals to pass through with minimal attenuation. This makes it an essential part of electronic circuits where reducing EMI is crucial for ensuring compliance with regulatory standards and maintaining the proper operation of sensitive equipment.

Ⅱ.P0473NL Parameter

Category:Filters,Common Mode Chokes

Manufacturer:Pulse Electronics

Packaging:Tube

Part Status:Active

Filter Type:Power Line

Current Rating (Max):1.63A

DC Resistance (DCR) (Max):110mOhm

Operating Temperature:-40°C ~ 120°C

Mounting Type:Surface Mount

Size / Dimension:0.500" L x 0.500" W (12.70mm x 12.70mm)

Height (Max):0.220" (5.59mm)

Ⅲ.P0473NL Main Characteristics

Effective common mode noise suppression:Excels at attenuating common mode noise from sources like motors and switching power supplies, thanks to its ferrite core and optimized windings, ensuring compliance with EMI/EMC standards.

Low insertion loss for differential signals:Maintains minimal attenuation of desired differential signals, preserving signal integrity in data and power transmission applications.

High current handling capability:Withstands several amps of continuous DC current, supported by low DC resistance to minimize power loss and heating in high-current circuits.

Broad frequency range coverage:Effective in suppressing noise across a wide spectrum, addressing various interference sources in different electronic systems.

Ⅳ.P0473NL Application 

Power supply systems:Used in AC-DC and DC-DC power supplies to filter noise from switching components, ensuring clean power delivery and EMI compliance in desktop, server, and industrial power units.

Data communication equipment:Integrated into Ethernet switches, routers, and USB hubs to suppress EMI, maintaining reliable high-speed data transmission and signal integrity.

Automotive electronics:Employed in in-vehicle infotainment, ECUs, and battery management systems to filter electrical noise, withstanding high temperatures and vibration for reliable performance.

Consumer electronics:Utilized in devices like laptops, smartphones, and home appliances to reduce EMI, preventing interference with other household electronics.

Ⅴ.Conclusion

The P0473NL common mode choke is a versatile and essential component in modern electronic systems, offering effective suppression of common mode noise while preserving the integrity of desired signals. Its key parameters, including high inductance, low DC resistance, high current handling, and a wide operating temperature range, make it suitable for a diverse range of applications, from power supplies and data communication equipment to industrial automation and automotive electronics.