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Product Detailed Parameters
- Description：CMC 170MA 2LN 500 OHM SMD
- Series：BWCU_02
- Mfr：Pulse Electronics
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：170mA
- DC Resistance (DCR) (Max)：550mOhm
- 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：500 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The BWCU00201212501M02 is a surface-mount common mode choke manufactured by Pulse Electronics. It features an impedance of 500 Ohms at a test frequency of 100 MHz with a tolerance of 20%. The component supports a maximum DC current of 170 mA and has a maximum DC resistance of 550 mOhms. Designed for PCB mounting, it operates within a temperature range of -40°C to +105°C.
Feature Summary
- Provides common mode noise suppression for high-speed data lines
- Designed specifically for USB 2.0, IEEE1394b, and LVDS applications
- Utilizes a compact surface-mount package for efficient board space utilization
Applications
- USB 2.0 interface circuits
- IEEE1394b (FireWire) connections
- LVDS signal transmission lines
Procurement Notes
Verify the specific impedance value against design requirements, as datasheets may list variations such as 50 Ohms or 500 Ohms for similar series codes. Confirm the manufacturer source is Pulse Electronics or authorized distributor YAGEO/Pulse Electronics. Ensure the RoHS compliance status matches project specifications before finalizing procurement orders.
Selection Notes
Select this component when designing for USB 2.0 or FireWire interfaces requiring significant common mode attenuation at 100 MHz. The 170 mA current rating suits low-power data lines. Compare physical dimensions against available PCB footprint space. Ensure the unshielded construction aligns with electromagnetic interference constraints of the target enclosure.
Part Context
This part belongs to the BWCU series of SMD common mode chokes produced by Pulse Electronics. These components are engineered for portable electronics and digital communication interfaces. The series offers various impedance values to match different signal integrity needs while maintaining a small form factor suitable for modern consumer devices.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing footprints if considering alternative manufacturers. Cross-reference impedance and current ratings carefully when evaluating generic replacements.
