Common-mode EMI filter for differential channels with integrated ESD protection

Common-mode ElectroMagnetic Interference (EMI) filters with integrated ElectroStatic Discharge (ESD) protection for one, two and three differential channels. The devices are designed to provide low insertion loss for differential high-speed signals on each channel while unwanted common-mode signals are attenuated.

Each differential channel incorporates two signal lines that are coupled by integrated coils. Diodes provide protection to downstream components from ESD voltages up to ±15 kV on each signal line.

Table 1. Product overview

Type number

Number of channels

Package Name










Features and benefits

  • One, two and three differential channels common-mode EMI filters with integrated ESD protection
  • ESD protection up to ±15 kV contact discharge according to IEC 61000-4-2
  • Superior common-mode suppression over a wide frequency range
  • Superior RF performance compared to other integrated filters or discrete filters with external ESD protection
  • Extremely high symmetry between line pairs
  • Industry-standard Wafer Level Chip Scale Packages: WLCSP5, 10 and 15 for smaller footprint


  • Smartphone, cellular and cordless phone
  • Tablet PC and Mobile Internet Device (MID)
  • USB 3.1, USB 2.0, HDMI 2.0, HDMI 1.4
  • MIPI M-PHY and D-PHY as used in Camera Serial Interface (CSI) and Display Serial Interface (DSI)
  • General-purpose EMI and Radio-Frequency Interference (RFI) filter and downstream ESD protection


Type numberPackage versionPackage nameSize (mm)Configuration# of linesVRWM (V)Cd [typ] (pF)IPPM [max] (A)VESD (kV)Product status
PCMF1USB30WLCSP5_2-1-2WLCSP50.77 x 1.17 x 0.57Unidirectional150.25715Production
PCMF2USB30WLCSP10_4-2-4WLCSP101.57 x 1.17 x 0.57Unidirectional250.25715Production
PCMF3USB30WLCSP15_6-3-6WLCSP152.37 x 1.17 x 0.57Unidirectional350.25715Production


Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
WLCSP5_2-1-2Reel 7" Q2/T3ActiveP "with circle"PCMF1USB30Z
( 9340 695 86087 )
WLCSP10_4-2-4Reel 7" Q2/T3ActiveP with circlePCMF2USB30Z
( 9340 695 93087 )
WLCSP15_6-3-6Reel 7" Q2/T3ActiveP with circlePCMF3USB30Z
( 9340 695 85087 )

Discontinuation information

Type numberOrderable part number, (Ordering code (12NC))Last time buy dateLast time delivery dateReplacement productStatusComments

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateMSLMSL leadfree
PCMF1USB30PCMF1USB30ZNot available
You can request this via a support request
Always Pb-free11
PCMF2USB30PCMF2USB30ZNot available
You can request this via a support request
Always Pb-free11
PCMF3USB30PCMF3USB30ZNot available
You can request this via a support request
Always Pb-free11
Quality and reliability disclaimer

Documentation (4)

File nameTitleTypeDate
PCMFXUSB30_SERCommon-mode EMI filter for differential channels with integrated ESD protectionData sheet2017-05-04
WLCSP5_2-1-2wafer level chip-size package; 5 bumps (2-1-2); 0.4 mm pitch; 0.77 x 1.17 x 0.57 mm bodyPackage information2020-04-21
WLCSP15_6-3-6wafer level chip-size package; 15 bumps (6-3-6); 0.4 mm pitch; 2.37 x 1.17 x 0.57 mm bodyPackage information2020-04-21
WLCSP10_4-2-4wafer level chip-size package; 10 bumps (4-2-4); 0.4 mm pitch; 1.57 x 1.17 x 0.57 mm bodyPackage information2020-04-21


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