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Product Detailed Parameters
- Description：CMC 1A 2LN 400 OHM SMD
- Series：BWCU_02
- Mfr：Pulse Electronics
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：1A
- DC Resistance (DCR) (Max)：150mOhm
- 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 0.098" W (3.20mm x 2.50mm)
- Height (Max)：0.079" (2.00mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：400 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The BWCU00322518401M00 is a surface-mount common mode choke manufactured by Pulse Electronics. It features an impedance of 90 Ohms with a tolerance of 20 percent, 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. Its physical dimensions are 3.2 mm in length, 2.5 mm in width, and 1.8 mm in height. The device operates within a temperature range of -40 C to +105 C and utilizes an unshielded design.
Feature Summary
- Provides common mode noise suppression for high-speed data lines
- Designed specifically for USB interface signal integrity protection
- Compact surface-mount form factor suitable for space-constrained PCB layouts
Applications
- USB 2.0 data line filtering
- IEEE 1394b interface protection
- LVDS signal line noise reduction
Procurement Notes
Verify the specific package variant and tape/reel specifications against the official datasheet before ordering. Confirm that the impedance tolerance and current ratings align with the target circuit requirements. Ensure compatibility with standard SMT assembly processes. Cross-reference the manufacturer part number to avoid confusion with similar series components.
Selection Notes
Select this component when designing circuits requiring common mode rejection for USB or LVDS interfaces. Consider the 370 mA current rating and 300 mOhms DCR for power loss calculations. Evaluate the 3.2 x 2.5 mm footprint against available board space. Verify thermal performance within the specified operating temperature range during system integration.
Part Context
This component belongs to the BWCU series of common mode chokes from Pulse Electronics. It is categorized under SMD Common Mode Chokes and falls within the broader Inductors, Chokes & Coils product family. The series is engineered for electronic applications requiring compact noise filtering solutions.
Replacement Considerations
Check for direct substitutes within the same BWCU series or equivalent models from other manufacturers offering identical 90 Ohm impedance and compatible footprint dimensions.
