BWCU00201212301M02

$0.13

Description：CMC 290MA 2LN 300 OHM SMD
Series：BWCU_02
Mfr：Pulse Electronics
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:cdc4fd708a24 Category: Common Mode Chokes Brand: Pulse Electronics

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Product introduction

Product Detailed Parameters

Description：CMC 290MA 2LN 300 OHM SMD
Series：BWCU_02
Mfr：Pulse Electronics
Package：Tape & Reel (TR),Cut Tape (CT)
Filter Type：Signal Line
Number of Lines：2
Current Rating (Max)：290mA
DC Resistance (DCR) (Max)：400mOhm
Voltage Rating - DC：50V
Voltage Rating - AC：-
Operating Temperature：-40°C ~ 105°C
Ratings：-
Approval Agency：-
Features：-
Mounting Type：Surface Mount
Size / Dimension：0.081" L x 0.049" W (2.05mm x 1.25mm)
Height (Max)：0.055" (1.40mm)
Package / Case：Horizontal, 4 PC Pad
Inductance @ Frequency：-
Impedance @ Frequency：300 Ohms @ 100 MHz
Qualification：-
Grade：-

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BWCU00201212301M02

Overview

The BWCU00201212301M02 is a surface-mount common mode choke manufactured by Pulse Electronics. It features an impedance of 300 Ohms at a test frequency of 100 MHz with a tolerance of 20%. The component supports a maximum DC current of 290 mA and has a maximum DC resistance of 400 mOhms. Designed for PCB mounting, it operates within a temperature range of -40°C to +105°C. The unshielded device utilizes ferrite core material and is available in reel or cut tape packaging.

Feature Summary

Provides common mode noise suppression for high-speed data lines
Compact surface-mount design suitable for space-constrained applications
Unshielded construction utilizing ferrite core technology

Applications

USB 2.0 interface protection
IEEE 1394b (FireWire) signal filtering
LVDS (Low-Voltage Differential Signaling) line conditioning

Procurement Notes

Verify the specific manufacturer designation on the datasheet, as some sources associate this part number with Chilisin components distributed by Pulse Electronics. Confirm RoHS compliance status and exact package dimensions against the official specification sheet before integration. Ensure the supplier provides valid traceability documentation for automotive or industrial qualification requirements.

Selection Notes

Select this component when designing circuits requiring 300 Ohms impedance at 100 MHz for differential pairs. Verify that the 290 mA current rating meets the operational requirements of the target interface. Consider the unshielded nature of the device regarding electromagnetic interference susceptibility in dense layouts compared to shielded alternatives.

Part Context

This component belongs to the BWCU series of compact common mode chokes from Pulse Electronics. These devices are engineered for high-density PCB layouts where minimal footprint is critical. The series targets digital communication interfaces requiring effective noise attenuation without introducing significant signal degradation or excessive power loss.