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Product Detailed Parameters
- Description：FILTER LC(PI) 250MHZ SMD
- Series：MEM
- Mfr：TDK Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Low Pass
- Filter Order：3rd
- Technology：LC (Pi)
- Number of Channels：1
- Center / Cutoff Frequency：250MHz (Cutoff)
- Attenuation Value：30dB @ 700MHz ~ 3GHz
- Resistance - Channel (Ohms)：-
- Values：-
- ESD Protection：No
- Operating Temperature：-55°C ~ 125°C
- Applications：Data Lines for Mobile Devices
- Voltage - Rated：10V
- Mounting Type：Surface Mount
- Package / Case：0402 (1005 Metric), 4 PC Pad
- Size / Dimension：0.039" L x 0.020" W (1.00mm x 0.50mm)
- Height：0.016" (0.40mm)
- Current：350 mA
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Overview
The MEM1005PP251T001 is a multilayer chip EMC filter from TDK Corporation, designed for EMI/RFI suppression in electronic circuits. It features a monolithic structure providing high reliability and sharp attenuation characteristics with excellent EMC suppression capabilities. This component functions as a third-order low-pass LC (Pi) filter within a single channel configuration. It operates effectively across a temperature range of -55°C to +125°C. The device supports a maximum current rating of 350 mA and withstands up to 10V AC or DC. Its compact 0402 (1005 metric) package facilitates surface-mount integration.
Feature Summary
- Monolithic multilayer structure ensures high reliability
- Provides sharp attenuation characteristics for effective EMC suppression
- Functions as a third-order low-pass LC filter
Applications
- EMI/RFI filtering in embedded systems
- Signal line protection in consumer electronics
- Data processing circuit noise suppression
Procurement Notes
Verify the specific datasheet version and safety certifications prior to procurement. Confirm that the 0402 package dimensions align with your PCB footprint requirements. Ensure the operating temperature range meets your environmental specifications. Check for any specific handling instructions regarding the monolithic ceramic structure during assembly.
Selection Notes
Select this component when space-constrained designs require robust EMI suppression. The 350mA current rating suits low-power signal lines. Consider the -55°C to +125°C range for industrial or automotive environments. Verify compatibility with reflow soldering profiles specified in the manufacturer's guidelines.
Part Context
This part belongs to TDK's MEM series of multilayer chip EMC filters. These components are engineered to replace discrete LC networks, saving board space. The series offers various cutoff frequencies and current ratings. The MEM1005PP251T001 specifically targets applications needing compact, high-performance filtering solutions.
Replacement Considerations
Consult official TDK documentation for direct substitutes. Verify equivalent cutoff frequency and current ratings if considering alternatives. Ensure package compatibility and thermal performance match the original design requirements.
