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Product Detailed Parameters
- Description：CMC 230MA 2LN 1 KOHM 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)：230mA
- DC Resistance (DCR) (Max)：1Ohm
- 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：1 kOhms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The BWCU00321619102M02 is a surface-mount common mode choke from Pulse Electronics, designed for automotive and high-speed data applications. It features a ferrite core with an impedance of 1 kOhms at 100 MHz and a tolerance of 20%. The component supports a maximum DC current of 230 mA and has a maximum DC resistance of 1 Ohm. Operating within a temperature range of -50°C to +150°C, it utilizes SMD/SMT termination on a compact 3.2 mm x 1.6 mm x 1.9 mm package.
Feature Summary
- Provides common mode noise suppression for differential signal lines
- Utilizes ferrite core material for effective electromagnetic interference filtering
- Designed for compact PCB mounting in space-constrained environments
Applications
- Automotive CAN Bus Systems
- USB 2.0 Interface Protection
- IEEE 1394b FireWire Applications
- LVDS Signal Lines
Procurement Notes
Verify the specific manufacturer part number against official datasheets to ensure compatibility with design requirements. Confirm that the impedance value and current rating meet the circuit specifications. Check for RoHS compliance status if required by regulatory standards. Ensure the operating temperature range aligns with the intended environmental conditions. Validate the package dimensions against the PCB footprint layout.
Selection Notes
Select this component when high-temperature stability is required, given its extended operating range up to 150°C. Consider the 1 kOhm impedance level for effective noise attenuation in sensitive digital interfaces. Evaluate the 230 mA current rating to ensure it does not saturate under peak load conditions. The small form factor makes it suitable for dense board layouts where space is limited.
Part Context
This component belongs to the BWCU series of common mode chokes manufactured by Pulse Electronics. These devices are engineered for robust performance in demanding electronic environments. The series offers various impedance options tailored for different signal integrity needs. The product line emphasizes reliability and compactness for modern electronic assemblies.
Replacement Considerations
The part number alias CUW31T-102M-AU may serve as a cross-reference. Verify electrical parameters such as impedance and current rating before substitution. Ensure mechanical dimensions match the existing PCB footprint. Confirm that the replacement meets the same temperature and safety certifications.
