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Product Detailed Parameters
- Description：CMC 320MA 2LN 220 OHM SMD
- Series：BWCU_02
- Mfr：Pulse Electronics
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：320mA
- DC Resistance (DCR) (Max)：400mOhm
- 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：220 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The BWCU00321619221M02 is a surface-mount common mode filter choke manufactured by Pulse Electronics. It features an impedance of 220 Ohms with a tolerance of 20%. The component supports a maximum DC current of 320 mA and has a maximum DC resistance (DCR) of 400 mOhms. Designed for two-line applications, it operates within a temperature range of -40°C to +105°C. The physical dimensions are 3.2 mm in length, 1.6 mm in width, and 1.9 mm in height.
Feature Summary
- Provides common mode noise suppression for high-speed data lines
- Compact surface-mount design suitable for space-constrained PCB layouts
- Unshielded construction optimized for specific EMI filtering requirements
Applications
- USB interface protection
- High-speed digital signal line filtering
- Common mode noise reduction in portable electronics
Procurement Notes
Verify the complete part number including suffixes against official manufacturer documentation to ensure correct impedance and current ratings. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer prior to ordering. Ensure storage conditions align with component specifications to maintain performance integrity.
Selection Notes
Select this component when a 220 Ohm impedance at 100 MHz is required for common mode noise attenuation on dual-line interfaces. Evaluate the 320 mA current rating against the application's operational load to prevent saturation. Consider the 1.9 mm height profile for compatibility with assembly clearance constraints and thermal management requirements.
Part Context
This component belongs to the BWCU series of compact common mode chokes from Pulse Electronics. The series offers various impedance values tailored for different high-speed data bus applications. These components are engineered to meet stringent electromagnetic interference standards while maintaining small footprints for modern electronic devices.
Replacement Considerations
Cross-reference with other BWCU series variants for alternative impedance levels if system requirements change. Verify pinout and dimensional compatibility before substituting with components from other manufacturers.
