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Product Detailed Parameters
- Description：FILTER RC(PI) 100 OHMS ESD SMD
- Series：CM1422
- Mfr：onsemi
- Package：Bulk
- Type：Low Pass
- Filter Order：2nd
- Technology：RC (Pi)
- Number of Channels：8
- Center / Cutoff Frequency：120MHz (Cutoff)
- Attenuation Value：30dB @ 1GHz ~ 3GHz
- Resistance - Channel (Ohms)：120
- Values：R = 100Ohms, C = 15pF
- ESD Protection：Yes
- Operating Temperature：-40°C ~ 85°C
- Applications：Data Lines for Mobile Devices
- Voltage - Rated：-
- Mounting Type：Surface Mount
- Package / Case：20-UFBGA, WLCSP
- Size / Dimension：0.157" L x 0.057" W (4.00mm x 1.46mm)
- Height：0.026" (0.65mm)
- Current：-
- Grade：-
- Qualification：-
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Overview
The onsemi CM1422-03CP-HST is an LCD EMI filter array integrated with electrostatic discharge (ESD) protection. It utilizes a PI-filter topology to provide signal line conditioning and noise suppression for high-speed data interfaces. The device is designed to protect sensitive input/output lines from transient voltage events while maintaining signal integrity in mobile and portable electronic applications.
Feature Summary
- Integrates ESD protection diodes with passive filtering components
- Provides electromagnetic interference (EMI) suppression via RC network
- Designed for compact surface-mount packaging
Applications
- Data lines for mobile devices
- LCD interface protection
- High-speed data bus filtering
Procurement Notes
Verify the specific suffix 'HST' against official manufacturer documentation to confirm tape-and-reel specifications and exact pinout configuration. Ensure compatibility with the target PCB footprint, specifically the 20-WFBGA package dimensions. Cross-reference the part number with authorized distributors to validate authenticity and supply chain origin before procurement.
Selection Notes
Select this component when simultaneous ESD protection and EMI filtering are required for LCD or high-speed data lines. The integrated PI-filter design reduces board space compared to discrete solutions. Verify that the rated voltage and capacitance values meet the specific signal line requirements of the application circuit.
Part Context
This component belongs to the CM1422 series of EMI filter arrays manufactured by onsemi. These devices are engineered for consumer electronics where space constraints and signal integrity are critical. The series typically offers various configurations tailored for different interface types, including USB, HDMI, and display panels.
Replacement Considerations
Consult official cross-reference lists for verified substitutes. Generic equivalents may not match the specific PI-filter characteristics or ESD performance levels. Verify package compatibility and electrical parameters before substitution.
