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Product Detailed Parameters
- Description：FILTER RC(PI) 100 OHMS ESD SMD
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Bulk
- Type：Low Pass
- Filter Order：2nd
- Technology：RC (Pi)
- Number of Channels：8
- Center / Cutoff Frequency：70MHz (Cutoff)
- Attenuation Value：35dB @ 800MHz ~ 2.7GHz
- Resistance - Channel (Ohms)：100
- Values：R = 100Ohms, C = 25pF
- ESD Protection：Yes
- Operating Temperature：-40°C ~ 85°C
- Applications：Data Lines for Mobile Devices
- Voltage - Rated：-
- Mounting Type：Surface Mount
- Package / Case：20-WFBGA, WLCSP
- Size / Dimension：0.157" L x 0.057" W (4.00mm x 1.46mm)
- Height：0.028" (0.70mm)
- Current：-
- Grade：-
- Qualification：-
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Overview
The CM1405-03CP is an EMI filter array with integrated ESD protection, manufactured by onsemi. It features eight RC (Pi) filter channels designed for LCD applications. Key electrical parameters include a capacitance of 100 pF and a resistance of 100 Ohms per channel. The device operates within a temperature range of -40°C to +85°C and utilizes SMD/SMT termination. It provides attenuation of 35 dB at frequencies between 800 MHz and 2.7 GHz, with a cutoff frequency of 70 MHz. The component is housed in a surface-mount package suitable for automated assembly.
Feature Summary
- Integrates eight independent Pi-filter channels for comprehensive signal line protection
- Combines EMI filtering with electrostatic discharge (ESD) protection capabilities
- Optimized specifically for LCD interface circuits and display data lines
Applications
- LCD panel interface protection
- Display data line filtering
- Portable electronic device ESD mitigation
Procurement Notes
Verify current availability status as the part may be discontinued or subject to limited supply. Confirm exact package dimensions and pinout compatibility with your PCB layout before ordering. Ensure that the 100 Ohm resistance value aligns with your signal integrity requirements. Check for any specific handling precautions related to ESD-sensitive components during storage and installation.
Selection Notes
Select this component when eight-channel simultaneous filtering and ESD protection are required for LCD interfaces. The 100 Ohm series resistance must be compatible with the driving source impedance to prevent signal degradation. Consider the 70 MHz cutoff frequency against the highest harmonic content of the display signals. Evaluate the CSP package size constraints against available board real estate.
Part Context
This component belongs to the CM1400 series of EMI filter arrays from onsemi. These devices are engineered to address noise immunity and surge protection challenges in high-speed digital interfaces. The series typically offers compact footprints compared to discrete component solutions, facilitating space-constrained designs in consumer electronics and industrial equipment.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify if other members of the CM1400 family with different channel counts meet the design requirements.
