BWCU00201212671M02

Overview

The BWCU00201212671M02 is a surface-mount common mode choke manufactured by Pulse Electronics. It features an impedance of 670 Ohms at 100 MHz with a tolerance of 20%. The component supports a maximum DC current of 140 mA and has a maximum DC resistance of 600 mOhms. Designed for PCB mounting, it operates within a temperature range of -40°C to +105°C. The unshielded device measures 2.0 mm in length, 1.2 mm in width, and 1.2 mm in height.

Feature Summary

• Provides common mode noise suppression for high-speed data lines
• Designed specifically for USB interface applications
• Surface mount construction for automated assembly

Applications

• USB 2.0 signal line filtering
• IEEE 1394b interface protection
• LVDS signal integrity enhancement

Procurement Notes

Verify the specific electrical parameters against the official datasheet before integration. Confirm that the 670 Ohm impedance rating aligns with the target frequency requirements of the application. Ensure the 140 mA current handling capacity meets the operational load without saturation. Check RoHS compliance status if required by regional regulations.

Selection Notes

Select this component when designing circuits requiring significant common mode attenuation at 100 MHz. The low DC resistance minimizes voltage drop across the data lines. The compact footprint suits space-constrained portable devices. Ensure the operating temperature range covers the intended environmental conditions.

Part Context

This part belongs to the BWCU series of SMD common mode chokes from Pulse Electronics. It is categorized under Inductors, Chokes & Coils. The series is optimized for digital signal protection in consumer electronics and computer peripherals.

Replacement Considerations

Consult manufacturer cross-reference lists for verified substitutes. Ensure replacement parts match the 670 Ohm impedance and 140 mA current ratings. Verify physical dimensions fit the existing PCB footprint.