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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 @ 600MHz ~ 700MHz
- Resistance - Channel (Ohms)：0.15
- Values：-
- ESD Protection：No
- Operating Temperature：-25°C ~ 85°C
- Applications：Data Lines for Mobile Devices
- Voltage - Rated：20V
- Mounting Type：Surface Mount
- Package / Case：1210 (3225 Metric), 3 PC Pad
- Size / Dimension：0.126" L x 0.098" W (3.20mm x 2.50mm)
- Height：0.079" (2.00mm)
- Current：300 mA
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Overview
The ACF321825-220-TD01 is a signal line EMI filter manufactured by TDK Corporation. It utilizes LC (T) filter technology and functions as a low-pass circuit with one channel. The component has a cutoff frequency of 650 MHz and a voltage rating of 20 V. It supports a current rating of 300 mA and features SMD/SMT termination styles. The physical package is 1210 (3225 metric), measuring 3.20mm x 2.50mm in size with a height of 2.00mm. The operating temperature range is -25°C to 85°C.
Feature Summary
- Integrates LC (T-type) filtering technology for effective noise suppression
- Designed specifically for data lines in mobile devices
- Provides common EMI suppression capabilities
Applications
- Data lines in mobile devices
- Signal line EMI filtering
- Common mode noise suppression
Procurement Notes
Verify the specific manufacturer part number against official TDK documentation to ensure compatibility. Confirm that the 300 mA current rating and 20 V voltage rating meet your system requirements. Check for any product change notices or end-of-life statuses, as availability may vary. Ensure the 1210 surface mount package fits your PCB layout constraints.
Selection Notes
Select this component when designing circuits for mobile device data lines requiring EMI suppression. Ensure the interface can tolerate the specified 300 mA filter path current. Verify that the 650 MHz cutoff frequency aligns with the signal bandwidth needs. Confirm the 1210 package dimensions fit the available board space.
Part Context
This component belongs to the ACF series of EMI filters from TDK Corporation. These filters are designed to provide sharp attenuation characteristics and excellent EMC suppression. The ACF series is commonly used in portable electronics where space is limited and effective noise reduction is critical for signal integrity.
Replacement Considerations
Consult official TDK documentation for verified substitute part numbers. Cross-reference specifications such as cutoff frequency, current rating, and package size to ensure functional equivalence.
