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Product Detailed Parameters
- Description：FILTER LC(T) SMD
- Series：ACF
- Mfr：TDK Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Low Pass
- Filter Order：3rd
- Technology：LC (T-Type)
- Number of Channels：1
- Center / Cutoff Frequency：-
- Attenuation Value：25dB @ 295MHz ~ 395MHz
- Resistance - Channel (Ohms)：0.15
- Values：-
- ESD Protection：No
- Operating Temperature：-25°C ~ 85°C
- Applications：Data Lines for Mobile Devices
- Voltage - Rated：50V
- Mounting Type：Surface Mount
- Package / Case：1812 (4532 Metric), 3 PC Pad
- Size / Dimension：0.177" L x 0.126" W (4.50mm x 3.20mm)
- Height：0.079" (2.00mm)
- Current：300 mA
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Overview
The ACF451832-680-TD01 is a surface-mount EMI filter circuit manufactured by TDK Corporation. It utilizes an LC (T-type) topology designed for signal line applications. The component features a 1812 (4532 metric) package with three pads. Electrical specifications include a rated voltage of 50 V and a current rating of 300 mA. The device operates within a temperature range of -25°C to 85°C. It provides attenuation characteristics, including a maximum frequency of 295 MHz and 25 dB attenuation at that frequency. The maximum DC resistance is specified as 0.15 Ω.
Feature Summary
- LC (T-type) circuit topology for effective noise suppression
- Designed specifically for single-channel signal line filtering
- Compact 1812 surface-mount package configuration
Applications
- Signal line EMI filtering in electronic circuits
- Data line protection requiring low insertion loss
- Consumer electronics signal integrity management
Procurement Notes
Verify the specific suffix TD01 against official TDK documentation to confirm packaging details and compliance status. Confirm availability status as distribution channels may indicate end-of-life or regional restrictions. Ensure the selected variant matches the required 1812 footprint and 3-pad configuration for PCB layout compatibility.
Selection Notes
Select this component when a T-type LC filter is required for a single channel with 300 mA current capacity. Ensure the operating environment stays within the -25°C to 85°C range. Verify that the 50 V rating meets the circuit requirements. Consider the 1812 package size constraints during PCB design.
Part Context
This part belongs to the TDK ACF series of EMI filters. These components are engineered for suppressing electromagnetic interference in data and signal lines. The series offers various inductance values and package sizes to suit different bandwidth and current requirements in modern electronic devices.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation.
