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Product Detailed Parameters
- Description：FILTER LC(T) SMD
- Series：ACH
- 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 @ 205MHz ~ 280MHz
- Resistance - Channel (Ohms)：0.06
- Values：-
- ESD Protection：No
- Operating Temperature：-40°C ~ 125°C
- Applications：General Purpose
- Voltage - Rated：20V
- Mounting Type：Surface Mount
- Package / Case：1210 (3225 Metric), 3 PC Pad
- Size / Dimension：0.071" Dia x 0.126" L (1.80mm x 3.20mm)
- Height：0.108" (2.75mm)
- Current：1.5 A
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Overview
The ACH3218-151-TD01 is a three-terminal surface-mount EMI filter manufactured by TDK Corporation. It features an LC(T) topology designed for high-reliability noise suppression in compact electronic assemblies. The component operates with a maximum rated voltage of 20V and supports a maximum rated current of 1.5A. Its typical insertion loss reaches 25dB within the frequency range of 205MHz to 280MHz, while maintaining a maximum DC resistance of 60mΩ. This configuration ensures effective electromagnetic interference attenuation for sensitive circuits.
Feature Summary
- Three-terminal SMD structure for enhanced grounding and noise reduction
- LC(T) filter topology optimized for high-current applications
- High reliability design suitable for demanding electronic environments
Applications
- General grade electronic equipment noise suppression
- Large current EMI filter circuits
- Liquid crystal display backlight inverter transformers
Procurement Notes
Verify the specific suffix TD01 against official TDK documentation to confirm RoHS compliance and halogen-free status. Ensure the part number matches the exact electrical specifications required for your circuit design. Cross-reference with authorized distributors to confirm availability and authenticity. Check for any superseded versions or alternative series if this specific variant is discontinued.
Selection Notes
Select this component when a three-terminal filter is required for high-current paths up to 1.5A. The low DC resistance of 60mΩ minimizes power loss in the signal path. The 20V rating defines the maximum operating voltage limit. Consider the physical size and mounting requirements for surface-mount assembly processes.
Part Context
This component belongs to the ACH3218 series of three-terminal filters from TDK Electronics. The series includes variants such as ACH3218-102-TD01 and ACH3218-223-TD01, which share similar form factors but differ in electrical characteristics. These filters are engineered for surface-mount technology (SMD) applications requiring compact noise suppression solutions.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing designs before considering alternatives from other manufacturers.
