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Product Detailed Parameters
- Description：CMC 400MA 2LN 22 OHM SMD
- Series：BWCU_02
- Mfr：Pulse Electronics
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：400mA
- DC Resistance (DCR) (Max)：200mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.049" L x 0.039" W (1.25mm x 1.00mm)
- Height (Max)：0.035" (0.90mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：22 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The BWCU00121008220Y03 is a surface-mount common mode choke manufactured by Pulse Electronics. It features an impedance of 22 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 400 mA and has a maximum DC resistance of 200 mOhms. It operates within a temperature range of -40°C to +105°C. The physical dimensions are 1.25 mm in length, 1 mm in width, and 0.8 mm in height. This unshielded device is designed for PCB mounting using SMD/SMT termination.
Feature Summary
- Miniature surface-mount design suitable for fully automated assembly processes
- Provides noise suppression for high-speed data lines
- Unshielded construction for compact footprint integration
Applications
- USB 2.0 interface protection
- IEEE 1394b (FireWire) signal filtering
- LVDS (Low-Voltage Differential Signaling) circuit noise reduction
Procurement Notes
Verify the specific manufacturer part number against official distributor catalogs to ensure authenticity. Confirm that the component matches the required impedance and current ratings for the target application. Check RoHS compliance status through the manufacturer's documentation. Ensure storage conditions align with the specified operating temperature range to maintain performance integrity.
Selection Notes
Select this component when designing circuits requiring common mode noise suppression for USB 2.0, IEEE 1394b, or LVDS interfaces. The 22 Ohm impedance value is appropriate for specific frequency attenuation requirements. Consider the 400 mA current rating to ensure it meets the operational load without saturation. The small 1210 metric package size aids in space-constrained board layouts.
Part Context
This component belongs to the BWCU series of common mode chokes produced by Pulse Electronics. It is functionally equivalent to the Chilisin CUW11T-220T-N variant. The series offers a wide impedance range for various noise suppression needs. These devices are categorized under SMD Common Mode Chokes within the broader inductors and coils product family.
Replacement Considerations
The Chilisin CUW11T-220T-N is a confirmed substitute part number for this component. Verify pin compatibility and electrical specifications before substitution.
