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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 @ 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-TLD01 is a surface-mount EMI filter circuit manufactured by TDK Corporation. It utilizes an LC (T-Type) topology designed for signal and data line applications. The component features a 1812 package size with three terminals. Electrical specifications include a rated voltage of 50 V, a current rating of 300 mA, and a cutoff frequency of 100 MHz. Maximum attenuation reaches 25 dB at 295 MHz. The device operates within a temperature range of -25°C to +85°C and has a maximum DC resistance of 0.15 Ω.
Feature Summary
- LC (T-Type) filter topology for effective noise suppression
- Surface mount construction in a compact 1812 package
- Designed for low-pass filtering in mobile device data lines
Applications
- Signal line EMI filtering in electronic circuits
- Data line protection in mobile devices
- Low-pass filtering applications requiring 50V isolation
Procurement Notes
Verify the specific suffix against official TDK documentation to confirm exact termination and reel specifications. Confirm availability status as distribution channels may list this part as obsolete or discontinued. Ensure the ordering code matches the required tape and reel configuration for automated assembly processes.
Selection Notes
Select this component when a 1812 footprint is required for data line filtering. Consider the 300 mA current rating and 50 V voltage limit for circuit compatibility. Evaluate the 100 MHz cutoff frequency against the target signal bandwidth to ensure adequate attenuation without affecting desired signal integrity.
Part Context
This part belongs to the TDK ACF series of EMI filters. These components are engineered for high-performance noise suppression in portable electronics. The series offers various impedance values and package sizes to suit different board space constraints and filtering requirements.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult TDK technical support for direct replacements.
