BWCU00322518900Y00

Overview

The BWCU00322518900Y00 is a two-line surface mount common mode choke manufactured by Pulse Electronics. It features an impedance of 90 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 1 A and has a maximum DC resistance of 80 mOhms. Its physical dimensions are 3.2 mm in length, 2.5 mm in width, and 1.8 mm in height. It 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-speed data transmission applications
• Compact surface mount footprint for space-constrained PCBs

Applications

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

Procurement Notes

Verify the specific suffix Y00 against official datasheets to confirm impedance and current ratings. Confirm RoHS compliance status through manufacturer documentation. Ensure the ordering part number matches the required package style and tape/reel specifications for automated assembly processes.

Selection Notes

Select this component when designing circuits requiring 90 Ohms impedance at 100 MHz for USB or FireWire interfaces. Evaluate the 1 A current rating against peak load requirements. Consider the 3.2 x 2.5 mm SMD package size relative to available board real estate and thermal management needs.

Part Context

This part belongs to the BWCU series of compact common mode chokes from Pulse Electronics. The series offers various impedance values and current ratings tailored for high-speed digital interfaces. These components are engineered to meet stringent EMI/EMC standards while maintaining signal integrity in consumer electronics and computing devices.

Replacement Considerations

Cross-reference with equivalent parts offering identical 90 Ohm impedance at 100 MHz and compatible 1 A current handling. Verify pinout compatibility and mechanical footprint alignment before substitution.