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Product Detailed Parameters
- Description：DATA LINE FILTER, 4 FUNCTION(S),
- Series：*
- Mfr：onsemi
- Package：Bulk
- Type：-
- Filter Order：-
- Technology：-
- Number of Channels：-
- Center / Cutoff Frequency：-
- Attenuation Value：-
- Resistance - Channel (Ohms)：-
- Values：-
- ESD Protection：-
- Operating Temperature：-
- Applications：-
- Voltage - Rated：-
- Mounting Type：-
- Package / Case：-
- Size / Dimension：-
- Height：-
- Current：-
- Grade：-
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Overview
The CM1452-04CP is a pi-style EMI filter array with integrated ESD protection, manufactured by onsemi. It integrates four C-L-C filters within a CSP form factor featuring a 0.40mm pitch. Designed for data line applications, this component provides simultaneous electromagnetic interference filtering and electrostatic discharge protection in a compact surface-mount package suitable for space-constrained mobile devices.
Feature Summary
- Integrates four independent pi-filter channels (C-L-C topology) for comprehensive signal conditioning
- Provides combined EMI attenuation and ESD protection in a single compact component
- Utilizes a Chip Scale Package (CSP) with a fine 0.40mm pitch for high-density board layouts
Applications
- LCD data line filtering
- Camera interface EMI suppression
- Mobile device data bus protection
Procurement Notes
Verify the specific datasheet revision and RoHS compliance status directly with onsemi or authorized distributors before integration. Confirm that the CSP-15 package dimensions and 0.40mm pitch are compatible with your PCB footprint and assembly capabilities. Ensure design margins account for the component's thermal and electrical specifications under operating conditions.
Selection Notes
Select this component when four-channel EMI filtering and ESD protection are required for LCD or camera interfaces. The pi-filter topology offers effective noise reduction while maintaining signal integrity. The small CSP footprint makes it suitable for modern mobile electronics where board real estate is limited compared to larger discrete filter solutions.
Part Context
This part belongs to the CM1452 family of pi-style EMI filter arrays from onsemi. The family includes variants with four, six, and eight channels, all sharing the same compact CSP architecture with a 0.40mm pitch. These components are engineered specifically for protecting high-speed data lines in portable electronic devices against both electromagnetic interference and electrostatic discharge events.
Replacement Considerations
Check for direct substitutes within the CM1452 family (e.g., CM1452-06CP, CM1452-08CP) if channel count requirements differ. Verify pinout compatibility and electrical parameters such as cutoff frequency and capacitance values against current design specifications before substituting.
