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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：230MHz (Cutoff)
- Attenuation Value：20dB @ 1GHz
- Resistance - Channel (Ohms)：100
- Values：R = 100Ohms, C = 8.5pF
- 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：0.156" L x 0.052" W (3.96mm x 1.33mm)
- Height：0.028" (0.70mm)
- Current：-
- Grade：-
- Qualification：-
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Overview
The CM1426-08CP is an eight-channel RC (Pi) EMI filter array with integrated ESD protection, manufactured by onsemi. It features a cutoff frequency of 230 MHz and supports data rates up to 92 Mbps. Each channel utilizes a C-R-C network with component values of 8.5 pF capacitance and 100 Ω resistance. The device incorporates avalanche-type ESD diodes providing ±8 kV IEC 61000-4-2 contact discharge protection and >±15 kV HBM protection. It is housed in a 20-bump WLCSP package measuring 3.96 mm x 1.33 mm with a 0.50 mm pitch.
Feature Summary
- Integrates eight independent RC Pi-style EMI filters within a single Chip Scale Package
- Provides high-level electrostatic discharge protection via avalanche-type diodes on every pin
- OptiGuard coated surface for improved reliability during assembly processes
Applications
- LCD data line filtering in mobile handsets
- Camera module data line filtering in mobile devices
- I/O port protection for mobile handsets and notebook computers
Procurement Notes
Verify the specific suffix and revision level against the manufacturer's current datasheet to ensure compatibility with design requirements. Confirm availability status as product lifecycles may change. Check for RoHS compliance documentation if required by regional regulations. Ensure the selected packaging format matches the intended surface-mount assembly process.
Selection Notes
Select this component when designing circuits requiring simultaneous EMI suppression and ESD protection for multiple high-speed data lines. The 230 MHz cutoff frequency suits applications with data rates up to 92 Mbps. The compact 20-bump WLCSP footprint is ideal for space-constrained portable electronics where board real estate is limited.
Part Context
This part belongs to the CM1426 family of pi-style EMI filter arrays from onsemi. The family includes four, six, and eight-channel variants, all sharing similar electrical characteristics and protection levels. These components are designed specifically for protecting sensitive electronic interfaces in consumer electronics against electromagnetic interference and static discharge events.
Replacement Considerations
Consult official substitution guides for equivalent parts. Verify that any alternative maintains the same 230 MHz cutoff frequency, 8.5 pF/100 Ω per channel configuration, and compatible WLCSP footprint dimensions.
