The PS9031 is an optically coupled isolator containing a GaAlAs LED on the input side and a photodiode, a signal processing circuit and power MOSFETs on the output side on one chip.


  • Long creepage distance (8 mm MIN.)
  • Large peak output current (2.5 A MAX., 2.0 A MIN.)
  • High-Speed switching (tPLH, tPHL = 175 ns MAX.)
  • UVLO (Under Voltage Lock Out) protection with hysteresis
  • High common mode transient immunity (CMH, CML = ±50 kV/μs MIN.)
  • Operating Ambient Temperature (125 °C MAX.)
  • Pb-Free product

Product Options

PLP Part Number Part Status Pkg. Type Carrier Type Buy Sample
2028 Sep Active
2028 Sep Active

Documentation & Downloads

Title language Type Format File Size Date
Datasheets & Errata
PS9031 Data Sheet 日本語 Datasheet PDF 846 KB
Application Notes & White Papers
Photocouplers Applications Note Application Note PDF 957 KB
Industrial Automation Brochure 日本語, 简体中文 Brochure PDF 7.93 MB
Analog ICs Brochure 日本語 Brochure PDF 4.20 MB
Photocouplers Brochure 日本語 Brochure PDF 4.39 MB
Photocouplers Selection Guide 日本語 Brochure PDF 4.34 MB