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Product Detailed Parameters
- Description：FILTER LC(PI) 28NH/12PF ESD SMD
- Series：EMIClamp®
- Mfr：Semtech Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Low Pass
- Filter Order：5th
- Technology：LC (Pi)
- Number of Channels：8
- Center / Cutoff Frequency：155MHz (Cutoff)
- Attenuation Value：40dB @ 800MHz ~ 2.7GHz
- Resistance - Channel (Ohms)：33
- Values：L = 28nH, C = 12pF
- ESD Protection：Yes
- Operating Temperature：-40°C ~ 85°C
- Applications：Data Lines for Mobile Devices
- Voltage - Rated：-
- Mounting Type：Surface Mount
- Package / Case：16-UFDFN Exposed Pad
- Size / Dimension：0.157" L x 0.063" W (4.00mm x 1.60mm)
- Height：0.026" (0.65mm)
- Current：-
- Grade：-
- Qualification：-
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Overview
The Semtech ECLAMP2458P.TCT is an integrated ESD and EMI protection device featuring a low-pass LC filter array with eight channels. It operates at a 5 V voltage level within a 16-pin UFDFN exposed pad package (DFN-4016-16). Key electrical parameters include a 28 nH inductance, 12 pF capacitance per channel, and a 33 Ω series resistance. The component provides bidirectional protection with a breakdown voltage of 6 V and a clamping voltage of 15 V. It withstands 12 kV contact and 18 kV air gap electrostatic discharge, operating between -40°C and +85°C.
Feature Summary
- Integrates LC filter network with TVS diodes for simultaneous EMI suppression and ESD protection
- Provides multi-channel protection for high-speed data lines
- Designed for color LCD interface applications
Applications
- Color LCD interface protection
- High-speed data line ESD and EMI filtering
- Mobile device display interfaces
Procurement Notes
Verify the specific suffix 'TCT' to confirm tape and reel packaging configuration. Ensure the DFN-4016-16 footprint matches the design layout. Confirm RoHS compliance status through official manufacturer documentation before integration into production assemblies.
Selection Notes
Select this component when both ESD robustness and EMI attenuation are required on 5 V data lines. The integrated LC structure reduces board space compared to discrete components. Verify that the 12 pF capacitance meets signal integrity requirements for the target data rate.
Part Context
This part belongs to the Semtech ECLAMP24 series, which focuses on system-level circuit protection. The series offers various channel counts and package sizes tailored for different interface densities. The ECLAMP2458P specifically addresses the needs of complex display interfaces requiring multiple protected lines.
Replacement Considerations
Check Semtech datasheets for other ECLAMP24 variants with matching 8-channel configurations and similar LC values. Verify pin compatibility and package dimensions before substituting.
