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Product Detailed Parameters
- Description：FILTER LC(T) SMD
- Series：ACF
- Mfr：TDK Corporation
- Package：Tape & Reel (TR)
- Type：Low Pass
- Filter Order：3rd
- Technology：LC (T-Type)
- Number of Channels：1
- Center / Cutoff Frequency：-
- Attenuation Value：25dB @ 95MHz ~ 180MHz
- 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 TDK ACF451832-471-TLD01 is a surface-mount EMI/RFI filter designed for signal line applications. It utilizes an LC (T-type) circuit topology with magnetic shielding provided by ferrite materials to achieve excellent attenuation characteristics. The component operates within a frequency range up to 100 MHz and features a voltage rating of 50 V and a current rating of 300 mA. It is housed in an 1812 package with SMD/SMT termination types, suitable for environments ranging from -25°C to higher operating temperatures.
Feature Summary
- Magnetic shielding using ferrite materials for enhanced noise suppression
- LC T-type filter circuit topology for effective EMI/RFI attenuation
- Surface-mount design compatible with automated assembly processes
Applications
- Signal line EMI filtering in electronic circuits
- EMI/RFI suppression for sensitive signal paths
- Noise reduction in high-frequency data transmission lines
Procurement Notes
Verify the exact suffix designation as datasheets may list TD01 or TLD01 variants. Confirm availability status as this specific model may be discontinued or obsolete. Ensure compatibility with existing PCB footprints and reflow soldering profiles. Check RoHS compliance documentation for regulatory requirements. Validate electrical parameters against system specifications before integration.
Selection Notes
Select this component when magnetic shielding is required for superior attenuation performance in signal lines. Consider the 300 mA current rating and 50 V voltage limit for circuit compatibility. The 1812 package size offers a balance between footprint area and thermal performance. Evaluate the 100 MHz cutoff frequency against the noise spectrum of the application.
Part Context
This part belongs to the TDK ACF451832 series of shielded EMI filters. The series is characterized by its use of ferrite-based magnetic shielding to contain electromagnetic interference. These components are engineered for high-performance noise suppression in compact surface-mount formats, addressing the increasing density of modern electronic assemblies.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify if other suffixes within the ACF451832 family offer equivalent electrical characteristics. Consult TDK official documentation for updated lifecycle status and recommended alternatives.
