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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 BWCU00322518401Y00 is a two-line surface mount common mode filter choke manufactured by Pulse Electronics. It features an impedance of 400 Ohms at a test frequency of 100 MHz and supports a maximum DC current of 1 A with a DC resistance of 150 mOhms. The component operates within a temperature range of -40°C to +105°C and has physical dimensions of 3.2 mm in length, 2.5 mm in width, and 1.9 mm in height.
Feature Summary
- Provides common mode noise suppression for differential signal lines
- Designed for high-speed data transmission applications
- Utilizes an unshielded wire-wound construction
Applications
- USB 2.0 interface protection
- IEEE 1394b (FireWire) circuit filtering
- LVDS signal line conditioning
Procurement Notes
Verify the specific electrical parameters against the official manufacturer datasheet before integration. Confirm that the 1 A current rating and 150 mOhm DCR align with your system's power budget and thermal constraints. Ensure the PCB footprint matches the 3.2 x 2.5 mm package dimensions and that the soldering profile supports the specified operating temperature range.
Selection Notes
Select this component when designing circuits requiring robust common mode rejection for high-speed digital interfaces. The 400 Ohm impedance offers effective attenuation for specific noise frequencies while maintaining signal integrity. Consider the unshielded design if magnetic interference from adjacent components is minimal, and verify that the 1 A current capacity meets the peak load requirements of the connected peripherals.
Part Context
This part belongs to the BWCU series of SMD common mode chokes produced by Pulse Electronics under the Chilisin brand. These components are engineered specifically for protecting sensitive data lines in consumer electronics and computer peripherals. The series provides various impedance and current ratings to suit different bandwidth and power requirements for USB and FireWire standards.
Replacement Considerations
Cross-reference with other Pulse BWCU series parts or equivalent Chilisin CMCs offering similar 400 Ohm impedance and 1 A current handling. Verify pin compatibility and mechanical footprint before substitution.
