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2-channel EMI filter and ESD protection for speaker phone
  • active Active

The EMIF02-SPK03F2 chip is a highly integrated device designed to suppress EMI/RFI noise for interface line filtering.

The EMIF02-SPK03F2 is 2-channel, ultra compact, high attenuation filter available in 0.5 mm pitch WLCSP package. Additionally, this filter includes ESD protection circuitry, which prevents damage to the protected device when subjected to ESD surges up 30 kV.

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Errata Sheet
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Key Features

  • 2-channel EMI symmetrical (I/O) low-pass filter
  • High efficiency in EMI filtering:
  • S21 attenuation, -40 dB at 900 MHz
  • Xtalk, in audio band, -60 dB
  • Very low PCB space consumption: 0.89 x 1.26 mm
  • Very thin package: 0.6 mm after reflow
  • High efficiency in ESD suppression on input pins (IEC 61000-4-2 level 4)
  • High reliability offered by monolithic integration
  • High reduction of parasitic elements through integration and wafer level packaging
  • Packaged in lead-free Flip Chip
  • Complies with the following standards
  • IEC 61000-4-2 level 4:±15 kV (air discharge)±8 kV (contact discharge)

Design Resources


Technical Documentation

Product Specifications

Description Version Size
DS9051: 2-channel EMI filter and ESD protection for speaker phone
1.0 278 KB

Application Notes

Description Version Size
AN1235: IPAD™ 500 µm Flip Chip: package description and recommendations for use
8.0 252 KB
AN2348: IPAD™ 400 µm Flip Chip: package description and recommendations for use
5.0 262 KB

Technical Notes & Articles

Description Version Size
TN1173: Packing information for IPAD™, protection, rectifiers, thyristors and AC Switches
3.1 333 KB
TN1200: Micro-bump Flip Chip: package description and recommendations for use
1.0 281 KB

HW Model & CAD Libraries

HW Model & CAD Libraries

Description Version Size
EMIF02-SPK03F2 S-parameter model (.sxp)
218 KB

Publications and Collaterals


Description Version Size
Semiconductor solutions for healthcare applications
1.0 665 KB

Sample & Buy

Part Number Marketing StatusPackagePacking TypeOrder From STUnit Price (US$)*
@ 100
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
EMIF02-SPK03F2ActiveChip Scale Package 0.5mm pitchTape And Reel-.228Distributor reported inventory date: 2016-02-29
Distributor NameRegionStockMin. order
RUTRONIKOrder NowEUROPE100005000

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.