BWCU00201212131Y03

Overview

The BWCU00201212131Y03 is a two-line surface mount common mode filter choke manufactured by Pulse Electronics. It features an impedance of 130 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 300 mA and has a maximum DC resistance of 400 mOhms. Its physical dimensions are 2.05 mm in length, 1.25 mm in width, and 1.2 mm in height. The device operates within a temperature range of -40°C to +105°C.

Feature Summary

• Provides common mode noise suppression for differential signal lines
• Designed for high-density PCB mounting via SMD/SMT termination
• Constructed as an unshielded component for standard EMI filtering

Applications

• USB 2.0 interface protection
• IEEE 1394b (FireWire) data line filtering
• LVDS signal integrity maintenance

Procurement Notes

Verify the specific manufacturer designation on the datasheet, as this part number is associated with Chilisin technology distributed by Pulse Electronics. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer before finalizing procurement plans.

Selection Notes

Select this component when designing circuits requiring 130 Ohms of common mode impedance at 100 MHz. Ensure the design accommodates a 300 mA current rating and a 400 mOhms DC resistance limit. Verify that the 2.05 x 1.25 mm footprint fits the available board space and thermal requirements.

Part Context

This component belongs to the BWCU series of SMD common mode chokes. It serves as a specialized passive filter element intended for high-speed digital interfaces. The series offers various impedance and current ratings tailored for different signal integrity needs in compact electronic assemblies.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate alternative components based on matching impedance, current rating, and physical footprint constraints.