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Product Detailed Parameters
- Description：CMC 300MA 2LN 220 OHM SMD
- Series：WCM2012F2SF
- Mfr：TAI-TECH Advanced Electronics Co., Ltd.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：400mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.079" L x 0.047" W (2.00mm x 1.20mm)
- Height (Max)：0.055" (1.40mm)
- Package / Case：0805 (2012 Metric), 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：220 Ohms @ 100 MHz
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Overview
The WCM2012F2SF-221T03 is a two-line surface mount common mode filter manufactured by TAI-TECH Advanced Electronics Co., Ltd. It features a compact SMD-4P package with dimensions of 2.00mm x 1.20mm and a maximum height of 1.40mm. The component provides a common mode impedance of 220 Ohms at a test frequency of 100 MHz. It supports a rated current of 300 mA with a maximum DC resistance (DCR) of 400 mOhm. Electrical specifications include an insulation resistance of 10 MΩ, a working voltage of 50 V, and a breakdown voltage of 125 V. The device operates within a temperature range of -40°C to +125°C.
Feature Summary
- High common mode impedance at high frequencies for effective noise suppression
- Compact and thin profile suitable for space-constrained designs
- Lead-free and halogen-free construction compliant with RoHS standards
Applications
- Noise suppression in portable electronic devices
- Signal line protection in consumer electronics
- EMI filtering in compact circuit boards
Procurement Notes
Verify the specific part number against official manufacturer documentation to ensure compatibility with design requirements. Confirm that the component meets all necessary environmental certifications, such as RoHS compliance, for your target market. Check the latest datasheet for any updates regarding mechanical dimensions or electrical tolerances before finalizing procurement decisions.
Selection Notes
Select this component when a small form factor is required for common mode noise reduction. The low DCR ensures minimal signal loss while maintaining effective filtering at 100 MHz. Ensure the operating environment stays within the specified temperature range and that the current rating aligns with the application's power requirements.
Part Context
This component belongs to the WCM2012F2SF series of wire wound type common mode filters from TAI-TECH. The series is designed for surface mount technology applications requiring high performance in a miniature footprint. It serves as a critical element for electromagnetic interference mitigation in modern electronic systems.
Replacement Considerations
Consult official substitution lists for verified alternatives. Cross-referencing with similar series components may require validation of impedance curves and physical dimensions to ensure board compatibility.
