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Product Detailed Parameters
- Description：CMC 300MA 2LN 90 OHM SMD
- Series：ALC
- Mfr：TDK Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：300mOhm
- Voltage Rating - DC：20V
- 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)：0.051" (1.30mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：90 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The ALC2012H-900-2P-T10G is a surface-mount common mode choke from the TDK ALC-H series, designed for high-speed signal lines. It features a wire-wound construction within an 0805 (2.0mm x 1.2mm x 1.2mm) package. Key electrical parameters include a DC current rating of 300mA, a maximum DC resistance of 0.3 ohms, and an impedance of 90 ohms at 100MHz. The device operates reliably across a temperature range of -40°C to +85°C and supports a DC voltage rating of 20V.
Feature Summary
- Wire-wound construction optimized for ultra-high-speed signal line applications
- Compact 0805 surface-mount footprint suitable for space-constrained designs
- High impedance performance for effective common mode noise suppression
Applications
- 10 Gigabit Ethernet interfaces
- Ultra-high-speed data transmission lines
- General-purpose EMC filtering for signal integrity
Procurement Notes
Verify the complete part number against official TDK documentation to ensure correct suffix alignment. Confirm that the specific ordering code matches the required impedance and current ratings for your design. Cross-reference with authorized distributors to validate component authenticity and traceability before finalizing procurement orders.
Selection Notes
Select this component when designing circuits requiring compact common mode filtering for high-speed signals. Ensure the 300mA current rating meets the operational requirements of the target application. Verify that the 0.3 ohm maximum DC resistance aligns with signal loss constraints. Confirm compatibility with the -40°C to +85°C operating temperature range for environmental robustness.
Part Context
This component belongs to the TDK ALC-H series, which specializes in common mode filters for high-speed digital interfaces. The series is engineered to address electromagnetic interference in modern electronic systems where signal integrity is critical. The ALC2012H variant specifically targets applications demanding small form factors alongside effective noise attenuation capabilities.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult official TDK documentation or authorized distributor databases for verified cross-references before considering alternative components.
