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Product Detailed Parameters
- Description：CMC 370MA 2LN 120 OHM SMD
- Series：SDCW
- Mfr：Shenzhen Sunlord Electronics Co., Ltd.
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：370mA
- DC Resistance (DCR) (Max)：300mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 85°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：120 Ohms @ 100 MHz
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Overview
The SDCW2012-2-121TF is a two-line surface mount common mode choke manufactured by Shenzhen Sunlord Electronics Co., Ltd. It features a winding structure with a low-profile design, providing effective suppression of high-frequency common-mode noise. The component operates within a temperature range of -40°C to +85°C and carries RoHS compliance. Key electrical specifications include a maximum DC resistance of 300mΩ, a rated current of 370mA, and a DC voltage rating of 50V. The impedance at 100MHz is specified as 120Ω with a tolerance of ±25%.
Feature Summary
- Utilizes a winding structure for enhanced magnetic performance
- Features a low-profile design suitable for space-constrained applications
- Provides effective suppression of high-frequency common-mode noise
Applications
- USB 2.0 interfaces in PC computers and peripheral devices
- LVDS lines in laptops and LCD displays
- Digital AV equipment signal protection
Procurement Notes
Verify the specific impedance value against the datasheet, as suffixes may indicate variations. Confirm RoHS compliance status and packaging details directly with the manufacturer or authorized distributor before ordering. Ensure the selected part matches the required current rating and physical dimensions for the target PCB layout.
Selection Notes
Select this component when designing circuits requiring common mode noise filtering for high-speed digital signals such as USB or LVDS. Consider the 370mA current rating and 300mΩ DCR to ensure compatibility with power delivery requirements. The 120Ω impedance at 100MHz is suitable for suppressing interference in standard data transmission frequencies without significantly attenuating the desired signal.
Part Context
This component belongs to the SDCW series of multi-layer chip ceramic inductors produced by Sunlord. The series is designed for EMC applications in consumer electronics and computer peripherals. Sunlord is a specialized manufacturer of passive electronic components, including magnetic devices and microwave components, serving global markets in communications and automotive sectors.
Replacement Considerations
Check for compatible parts within the same SDCW series, such as SDCW2012-2-900TF or SDCW2012-2-181TF, which share similar package dimensions but offer different impedance values. Verify that any substitute maintains the same current rating, DCR limits, and operating temperature range to ensure circuit reliability.
