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Product Detailed Parameters
- Description：FILTER LC(PI) 26NH/22PF ESD SMD
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Tape & Reel (TR),Bulk
- Type：Low Pass
- Filter Order：3rd
- Technology：LC (Pi)
- Number of Channels：4
- Center / Cutoff Frequency：300MHz (Cutoff)
- Attenuation Value：-30dB @ 800MHz ~ 6GHz
- Resistance - Channel (Ohms)：-
- Values：L = 26nH, C = 22pF (Total)
- ESD Protection：Yes
- Operating Temperature：-40°C ~ 85°C
- Applications：Data Lines for Mobile Devices
- Voltage - Rated：-
- Mounting Type：Surface Mount
- Package / Case：8-UFDFN Exposed Pad
- Size / Dimension：0.067" L x 0.053" W (1.70mm x 1.35mm)
- Height：0.022" (0.55mm)
- Current：30 mA
- Grade：-
- Qualification：-
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Overview
The CM1693-04DE is a four-channel EMI filter array with integrated ESD protection, designed for LCD and camera interfaces. It utilizes a pi-style C-L-C topology within an 8-pin DFN package. The device operates within a voltage range of 5.6 to 9 V and features an on-resistance of 2.3 Ω. It provides a cutoff frequency of 300 MHz to suppress electromagnetic interference while protecting data lines.
Feature Summary
- Integrates four independent pi-style EMI filters with ESD protection in a compact form factor
- Provides simultaneous signal filtering and electrostatic discharge protection for high-speed data lines
- Designed specifically for sensitive multimedia interfaces such as LCD and camera connections
Applications
- LCD display interface protection
- Camera module data line shielding
- High-speed digital signal EMI suppression
Procurement Notes
Verify the component status carefully, as public records indicate this specific part number may be obsolete. Confirm availability through authorized distributors or secondary market suppliers. Ensure the datasheet matches the required 8-pin DFN package and electrical specifications before integration into new designs.
Selection Notes
Select this component when designing circuits requiring combined EMI filtering and ESD protection for low-voltage differential signals. The 300 MHz cutoff frequency suits standard display and camera interfaces. Consider the 2.3 Ω on-resistance impact on signal integrity during high-speed data transmission.
Part Context
This device belongs to the CM1693 family of pi-style EMI filter arrays. The family integrates multiple filter channels (four, six, or eight) into small-form-factor packages. These components are engineered to meet stringent EMC requirements for portable electronics and multimedia devices without compromising signal quality.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status indicated in source materials, alternative solutions must be evaluated based on pin compatibility, cutoff frequency, and channel count.
