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Product Detailed Parameters
- Description：CMC 100MA 2LN 90 OHM SMD
- Series：TCM
- Mfr：TDK Corporation
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：100mA
- DC Resistance (DCR) (Max)：1.2Ohm (Typ)
- Voltage Rating - DC：10V
- Voltage Rating - AC：-
- Operating Temperature：-25°C ~ 85°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.049" L x 0.039" W (1.25mm x 1.00mm)
- Height (Max)：0.026" (0.67mm)
- Package / Case：0504 (1210 Metric), 4 Lead
- Inductance @ Frequency：-
- Impedance @ Frequency：90 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The TCM1210-900-2P-T is a surface-mount common mode filter choke designed for high-speed differential signal lines. Manufactured by TDK, this component operates within a temperature range of -40°C to +85°C and features a shielded construction to minimize electromagnetic interference. It provides an impedance of 90 ohms at 100 MHz with a maximum DC resistance of 3 ohms per line. The device supports a maximum DC current of 30 mA and utilizes a compact 1210 (3225 metric) package footprint.
Feature Summary
- Shielded design for effective noise suppression in high-speed differential signaling applications
- Compact surface-mount form factor suitable for space-constrained PCB layouts
- Optimized impedance characteristics for filtering common mode noise without affecting differential signals
Applications
- High-speed USB interfaces
- HDMI data lines
- LVDS signal transmission paths
Procurement Notes
Verify the specific suffix 'T' against the manufacturer's latest datasheet to confirm tape-and-reel packaging specifications and quantity per reel. Ensure the part number matches the exact impedance rating required for your circuit design. Cross-reference the RoHS compliance status with current regulatory requirements before finalizing procurement orders.
Selection Notes
Select this component when shielding is required to prevent external noise coupling into sensitive differential pairs. The 90-ohm impedance rating must align with the target frequency spectrum of the application. Consider the 30 mA current limit to ensure the component does not saturate during peak signal conditions. Verify that the 1210 package dimensions fit within the available board real estate constraints.
Part Context
This component belongs to TDK's TCM series of common mode filters, which are engineered specifically for protecting high-speed digital interfaces. The series offers various impedance values and package sizes to accommodate different signal integrity requirements. The TCM1210 variant provides a balance between performance and physical size for standard consumer electronics.
Replacement Considerations
Check for TCM1210-900-2P-TL00 or similar variants from the same series if longer lead times are encountered. Ensure any substitute maintains the 90-ohm impedance at 100 MHz and compatible current ratings.
