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EMI/ESD Suppression

Kinetic provides industry-leading integrated ESD and Common Mode EMI suppression solutions to significantly improve EMC performance in Ethernet applications. Built around Kinetic Technologies’ patented and proprietary Active EMC suppression technology, this technology enables a "Design for Compliance" approach to system design right from the start. This product helps eliminate EMC compliance challenges by providing consistent EMC performance and improvements utilizing silicon-based technology as opposed to passive technologies. EMI/ESD suppression by Kinetic Technologies enables system designers to comply with: 

  • CISPR22 and FCC Part 15, Class B requirements for Radiated and Conducted Emissions;
  • IEC 61000-4-3/6 requirements for Radiated and Conducted Immunity, Level 3 or higher;
  • IEC 61000-4-2 ESD (Air Discharge) of ±25kV;
  • IEC 61000-4-2 ESD (Contact Discharge) of ±12kV;
  • Cable Discharge Event (CDE) of ±12kV.
  • Featured Products
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Featured Products for EMI/ESD Suppression

Part Number Description
KTA1550 Dual-channel Active Choke for EMI Suppression w/ Integrated ESD Protection
KTA1552 Quad Channel Active EMI & ESD Suppressor for Ethernet Applications

Application Notes

Document Description PDF File
AN093 KTA1550 Design Guide PDF Download
AN094 Meeting Ethernet Return Loss Requirements with the KTA1550 PDF Download
AN095 How to Design Kinetic Technologies KTA1550 for use with Voltage-Mode PHYs PDF Download

+ Search Parameters


  • 2.17 or 3.13


  • 2.63 or 3.47

LED Channels

Brightness Control

Switching Frequency(MHz)

Safty Timer Max(ms)

Max. Current per Channel (mA)

Total Max LED Current(mA)


  • QSOP-16L (SOIC narrow)
  • DFN94-36


Number of LEDs/Channel

Total Number of LEDs


Max. Current per Channel(mA)



IQ shutdown(SDA=SCL=1.8V)(µA)

Output OVP

Output Auto-Discharge


ON Resistance (mΩ)

Max Current (A)

OVP Trip Point (V)

Max Output Power (W)

PoE PD Support

HW Mode Control

SW Mode I2C Control


Number of Output Rails

High Voltage Isolation

CISPR22 and FCC Part 15

  • Class B, for Radiated and Conducted Emissions

IEC 61000-4-3 requirements for Radiated and Conducted Immunity

  • Level 3 or higher

IEC 61000-4-2 ESD (Air Discharge)

  • ±25kV

IEC 61000-4-2 ESD (Contact Discharge)

  • ±12kV

Cable Discharge Event (CDE)

  • ±12kV

Package Alt.

Package Alt. 1

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