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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)：220mOhm
- 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 SDCW2012L-2-121TF is a two-line surface mount common mode filter manufactured by Shenzhen Sunlord Electronics Co., Ltd. It features a wound structure with a low-profile design, optimized for suppressing high-frequency common-mode noise. The component operates within a temperature range of -40°C to +85°C and has a DC voltage rating of 50V. Key electrical parameters include an impedance of 120 Ohms at 100 MHz, a rated current of 370 mA, and a maximum DC resistance (DCR) of 0.30 Ohms.
Feature Summary
- Utilizes a wound structure for effective high-frequency noise suppression
- Features a low-profile design suitable for space-constrained applications
- Provides reliable performance in digital signal line protection
Applications
- USB 2.0 interfaces in PC computers and peripheral devices
- LVDS lines in laptops and LCD displays
- Audio signal line protection
Procurement Notes
Verify the specific suffix 'L' against official datasheets to confirm dimensional tolerances and packaging specifications. Ensure compatibility with automated pick-and-place equipment by checking reel tape dimensions. Confirm that the operating temperature range meets the environmental requirements of the target application before finalizing procurement orders.
Selection Notes
Select this component when a 120 Ohm impedance at 100 MHz is required for differential signal integrity. The 370 mA current rating suits low-power digital interfaces. Consider the 0.30 Ohm DCR for minimal signal attenuation. Compare against other impedance values in the series if noise profiles differ significantly from standard USB or LVDS requirements.
Part Context
This part belongs to the SDCW2012 series of common mode chokes from Sunlord. The series offers various impedance options ranging from 67 Ohms to 180 Ohms to accommodate different noise levels and signal frequencies. These components are designed for surface mount technology, providing a compact solution for EMI suppression in portable and desktop electronics.
Replacement Considerations
Direct substitutes include SDCW2012C-2-900TF for lower impedance needs or SDCW2012-2-121TF if the 'L' suffix denotes a specific package variant requiring verification. Cross-reference pinout and thermal characteristics to ensure functional equivalence in existing PCB layouts.
