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Product Detailed Parameters
- Description：CMC 370MA 2LN 90 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)：370mA
- DC Resistance (DCR) (Max)：300mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.126" L x 0.063" W (3.20mm x 1.60mm)
- Height (Max)：0.083" (2.10mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：90 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The BWCU00321619900M02 is a surface-mount common mode filter choke from the Pulse Electronics BWCU series. It features an impedance of 90 Ohms with a 20% tolerance, measured at a test frequency of 100 MHz. The component supports a maximum DC current of 370 mA and has a maximum DC resistance of 300 mOhms. Designed for two-line applications, it operates within a temperature range of -40°C to +105°C. The physical dimensions are 3.2 mm in length, 1.6 mm in width, and 1.9 mm in height, housed in an unshielded SMD package.
Feature Summary
- Provides common mode noise suppression for high-speed data lines
- Designed specifically for USB 2.0, IEEE1394b, and LVDS interface protection
- Compact surface-mount construction suitable for space-constrained PCB layouts
Applications
- USB 2.0 port filtering
- IEEE1394b (FireWire) line protection
- LVDS signal integrity enhancement
Procurement Notes
Verify the complete part number including suffixes against official manufacturer documentation to ensure correct impedance and current ratings. Confirm RoHS compliance status through the specific datasheet provided by Pulse Electronics. Cross-reference Mouser part numbers and factory packaging quantities with authorized distributors to validate availability and ordering parameters prior to procurement.
Selection Notes
Select this component when designing circuits requiring common mode rejection for USB 2.0 or FireWire interfaces. Ensure the 370 mA current rating meets the application's operational requirements. Verify that the 3.2mm x 1.6mm footprint aligns with the PCB design constraints. Consider the 90 Ohm impedance value relative to the target frequency spectrum for effective noise attenuation.
Part Context
This component belongs to the BWCU series of surface-mount common mode chokes manufactured by Pulse Electronics. These devices are engineered for electromagnetic interference suppression in digital communication ports. The series offers various impedance and current ratings tailored for different high-speed data bus standards, providing reliable noise filtering in compact form factors.
Replacement Considerations
The part number alias CUW31T-900M-N may serve as a functional equivalent. Verify electrical specifications and physical dimensions before substitution.
