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Product Detailed Parameters
- Description：CMC 120MA 2LN 3.36 OHM SMD
- Series：1206USB
- Mfr：Coilcraft
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：120mA
- DC Resistance (DCR) (Max)：850mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 85°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)：0.076" (1.93mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：1.04 µH @ 100 MHz
- Impedance @ Frequency：3.36 kOhms @ 340 MHz
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Overview
The Coilcraft 1206USB-223MLC is a surface-mount common mode choke designed for high-speed signal transmission. It features an unshielded wirewound construction with a ferrite core, housed in a compact 1206 (3.2 x 1.6 mm) package. The component provides a nominal inductance of 22 µH with a tolerance of ±20%. It supports a maximum DC current of 500 mA and exhibits a maximum DC resistance of 140 mΩ. The device operates within a temperature range of -40°C to +85°C and meets AEC-Q200 automotive qualification standards.
Feature Summary
- Eliminates common mode noise in high-speed differential signal applications
- AEC-Q200 qualified for automotive reliability requirements
- Compact 1206 surface-mount footprint for space-constrained designs
Applications
- USB 2.0 interface protection
- High-speed differential data line filtering
- Automotive electronic systems
Procurement Notes
Verify the specific suffix against official Coilcraft documentation to confirm exact electrical characteristics and packaging options. Confirm availability status directly with authorized distributors as supply conditions may vary. Ensure the selected variant matches the required inductance and current ratings for the target circuit design.
Selection Notes
Select this component for applications requiring effective common mode noise suppression in compact form factors. The 1206 size facilitates automated assembly on standard PCBs. Verify that the 500 mA current rating and 140 mΩ resistance align with the power budget and signal integrity requirements of the specific high-speed interface being protected.
Part Context
This part belongs to the 1206USB series from Coilcraft, which specializes in common mode chokes for USB 2.0 and other high-speed digital interfaces. The series is engineered to maintain signal integrity while attenuating electromagnetic interference. These components are widely used in consumer electronics and automotive modules where reliable data transmission is critical.
Replacement Considerations
Consult the official Coilcraft datasheet for direct pin-compatible alternatives within the 1206USB family. Verify that any substitute maintains identical inductance values and current handling capabilities to ensure circuit performance consistency.
