BWCC00201208420M02

Overview

The BWCC00201208420M02 is a surface-mount common mode choke manufactured by Pulse Electronics. It features an impedance of 42 Ohms at a test frequency of 100 MHz and supports a maximum DC current of 1.3 A. The component has a maximum DC resistance of 200 mOhms and operates within a temperature range of -40°C to +105°C. Its physical dimensions are 2.0 mm in length, 1.2 mm in width, and 0.8 mm in height, housed in a compact SMD package.

Feature Summary

• Provides effective common mode noise suppression for high-speed digital signal lines
• Designed with a compact surface-mount footprint for dense PCB layouts
• Constructed for reliable operation across extended industrial temperature ranges

Applications

• USB 2.0 interface protection
• IEEE 1394 (FireWire) bus filtering
• LVDS signal line conditioning
• HDMI 1.4 data line interference reduction

Procurement Notes

Verify the specific impedance tolerance and DC current ratings against the latest official datasheet before integration. Confirm that the operating temperature range meets the environmental requirements of the final assembly. Ensure compatibility with standard reflow soldering profiles for SMD components to maintain electrical integrity and mechanical stability during manufacturing.

Selection Notes

Select this component when designing circuits requiring common mode noise attenuation for high-speed serial interfaces. The low DC resistance minimizes power loss in the signal path, while the specified impedance ensures effective EMI suppression. Consider the physical size constraints and thermal management capabilities of the target application when determining suitability for the design.

Part Context

This part belongs to the BWCC series of common mode chokes from Pulse Electronics, specifically engineered for bus line applications. The series targets the mitigation of electromagnetic interference in digital communication protocols. Components in this family share similar mounting styles and dimensional standards to facilitate standardized design practices across various electronic devices.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.