The PS9122 is an optical coupled high-speed, active low type isolator containing a GaAlAs LED on the input side and a photodiode and a signal processing circuit on the output side on one chip. The PS9122 is a high-speed digital output type photocoupler designed specifically for low circuit current. The PS9122 is in 5-pin plastic SOP (Small Outline Package) and is suitable for high density application.


  • Supply Voltage N rank: VCC = 3.3 V L rank: VCC = 5 V
  • Pulse width distortion (⏐tPHL − tPLH⏐ = 200 ns MAX.)
  • Small package (SO-5)
  • High-speed (1 Mbps)
  • High isolation voltage (BV = 3 750 Vr.m.s.)
  • Open collector output
  • Embossed tape product: PS9122-F3: 2 500 pcs/reel
  • Pb-Free product
  • Safety standards UL approved: File No. E72422 DIN EN60747-5-2 (VDE0884 Part2) approved No.40008902 (option)

Product Options

Part Number PLP Part Status Pkg. Type Carrier Type Buy Sample
2028-07-01 Active
2028-07-01 Active

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
PS9122 DS (PN10697EJ02V0DS) 日本語 Datasheet PDF 310 KB
Application Notes & White Papers
Photocouplers Applications Note Application Note PDF 957 KB
Analog ICs Brochure Brochure PDF 4.19 MB
Photocouplers Brochure 日本語 Brochure PDF 4.39 MB
Photocouplers Selction Guide 日本語 Brochure PDF 4.34 MB
PHOTOCOUPLERS Catalog ( R08CP0001EC0100 ) Brochure PDF 9.83 MB