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Product Detailed Parameters
- Description：CMC 400MA 2LN 90 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)：400mA
- DC Resistance (DCR) (Max)：300mOhm
- 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：90 Ohms @ 100 MHz
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Overview
The WCM2012F2SF-900T04 is a surface mount common mode choke manufactured by TAI-TECH Advanced Electronics Co., Ltd. It features a two-line configuration designed for noise suppression in compact electronic circuits. The component operates with a maximum DC current rating of 400mA and exhibits a DC resistance (DCR) of 300mOhm. At a frequency of 100 MHz, the impedance is specified at 90 Ohms. The device has a voltage rating of 50V DC and utilizes a SMD-4P package with dimensions of 2x1.2mm and a maximum height of 1.40mm.
Feature Summary
- Surface mount construction for automated assembly
- Two-line common mode filtering capability
- Wire wound type technology
Applications
- High-speed data line noise suppression
- Portable electronic device EMC compliance
- Compact circuit board signal integrity protection
Procurement Notes
Verify the complete part number including suffixes to ensure correct impedance and tolerance specifications. Confirm package dimensions against PCB footprint requirements. Check manufacturer datasheets for updated electrical characteristics and reliability standards before integration into final designs.
Selection Notes
Select this component when space constraints require a 2012 package size. Ensure the 400mA current rating meets circuit load requirements. Verify that the 90 Ohm impedance at 100 MHz aligns with target noise frequencies. Consider the 50V DC rating for system voltage compatibility.
Part Context
This component belongs to the WCM series of common mode chokes from TAI-TECH. The series offers various impedance values and current ratings within standardized surface mount packages. These components are engineered for high-frequency noise attenuation in modern electronics requiring minimal board space.
Replacement Considerations
Cross-reference with other 2012 package common mode chokes offering similar 90 Ohm impedance and 400mA current ratings. Verify pinout compatibility and physical dimensions before substitution.
