2 Line Common Mode Choke Surface Mount 90 Ohms @ 100 MHz 400mA DCR 190mOhm
The ACM2012-900-2P-T002, manufactured by TDK, is a 2-line common mode filter that helps reduce electromagnetic interference (EMI) and radio-frequency interference (RFI) in electronic systems. It is built using a wire-wound chip structure and optimized for high-speed differential signals while maintaining low impact on the desired signal.
Key Characteristics
Component Type: Common Mode Choke / EMI Filter
Lines: 2-line (for differential signal pairs)
Impedance: 90 Ω @ 100 MHz
Current Rating: up to 400 mA
DC Resistance: ~190 mΩ max
Voltage Rating: up to 50 V
Package Size: 0805 (2.0 × 1.2 mm)
Mounting: Surface Mount (SMD)
Function
Suppresses common-mode noise on signal lines
Maintains low differential impedance, so signal integrity is preserved
Helps systems pass EMI/EMC compliance
In simple terms:
It filters out noise without affecting the actual data signal. Typical Applications
USB, HDMI, Ethernet lines
High-speed communication interfaces
Embedded systems and IoT devices
Consumer electronics and industrial equipment
LVDS and display interfaces
#CommonPartsLibrary #Filter #ACM
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