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Product Detailed Parameters
- Description：CMC 330MA 2LN 120 OHM SMD
- Series：BWCU_02
- Mfr：Pulse Electronics
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：330mA
- DC Resistance (DCR) (Max)：350mOhm
- 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：120 Ohms @ 100 MHz
- Qualification：-
- Grade：-
Download product information
Overview
The BWCU00201212121Y03 is a two-line surface mount common mode choke manufactured by Pulse Electronics. It features an impedance of 120 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 330 mA and has a maximum DC resistance of 350 mOhms. It operates within a temperature range of -40°C to +105°C. The physical dimensions are 2.0 mm in length, 1.2 mm in width, and 1.2 mm in height. It is packaged in reels.
Feature Summary
- Designed for suppressing common mode noise in high-speed digital interfaces
- Suitable for USB 2.0, IEEE 1394b, and LVDS applications
- Unshielded construction for standard PCB mounting
Applications
- USB 2.0 data lines
- IEEE 1394b (FireWire) interfaces
- LVDS signal transmission paths
Procurement Notes
Verify the specific manufacturer source, as documentation indicates YAGEO/Pulse Electronics association. Confirm RoHS compliance status through official datasheets prior to integration. Ensure the ordering suffix matches the required packaging configuration. Validate electrical parameters against the latest published specifications to avoid discrepancies in impedance or current ratings during final assembly.
Selection Notes
Select this component when designing circuits requiring common mode filtering for USB 2.0 or FireWire standards. The 120 Ohm impedance provides effective noise suppression at 100 MHz. Ensure the PCB footprint accommodates the 2.0 x 1.2 mm package size. Verify that the 330 mA current rating meets the operational requirements of the target application without saturation.
Part Context
This part belongs to the BWCU series of SMD common mode chokes from Pulse Electronics. These components are engineered for compact electronic designs where space is limited. The series offers various impedance values tailored for different high-speed interface protocols. They utilize multilayer ceramic technology for consistent performance in consumer and industrial electronics.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation.
