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Product Detailed Parameters
- Description：CMC 200MA 2LN 2.2 KOHM SMD
- Series：BWCU_02
- Mfr：Pulse Electronics
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：200mA
- DC Resistance (DCR) (Max)：1.2Ohm
- 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：2.2 kOhms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The BWCU00321619222M02 is a surface-mount common mode choke from Pulse Electronics, designed for high-speed data line protection. It features an impedance of 2200 Ohms at 100 MHz with a tolerance of ±20%. The component supports a maximum DC current of 200 mA and has a maximum DC resistance of 1.2 Ohms. It utilizes a wirewound construction within a compact 4-pin package measuring 3.2 mm x 1.6 mm x 1.9 mm. Rated for operation between -55°C and +125°C, it serves as a shielded filter for signal integrity.
Feature Summary
- Provides common mode noise suppression for differential data lines
- Designed for high-frequency signal filtering applications
- Compact surface-mount form factor suitable for space-constrained PCBs
Applications
- USB 2.0 interface protection
- IEEE 1394b (FireWire) bus filtering
- LVDS signal line conditioning
Procurement Notes
Verify the specific impedance value against project requirements, as datasheet listings may vary between 220 Ohms and 2200 Ohms for similar series codes. Confirm the manufacturer source is Pulse Electronics to ensure correct wirewound construction and thermal ratings. Check RoHS compliance status directly with the supplier documentation before finalizing procurement orders.
Selection Notes
Select this component when shielding is required for EMI reduction in high-speed digital interfaces. The 200 mA current rating suits low-power data lines rather than power delivery paths. Ensure the 1.2 Ohm DCR fits within the allowable voltage drop constraints of the target circuit design.
Part Context
This part belongs to the BWCU series of SMD common mode chokes from Pulse Electronics. These components are engineered specifically for protecting sensitive communication ports against electromagnetic interference while maintaining signal fidelity.
Replacement Considerations
Cross-reference with other Pulse BWCU series parts or equivalent shielded common mode chokes from manufacturers like TDK or Murata that match the 3216 package size and 2200 Ohm impedance specification.
