The PS9851-1, PS9851-2 are optically coupled isolators containing GaAlAs LED on the input side and a CMOS output ICon the output side. They are high common mode transient immunity (CMR), high-speed CMOS output type photocouplers designed for high-speed logic interface circuits.


  • High-speed response (15 Mbps)
  • Operable at high temperature (−40 to +100°C)
  • High common mode transient immunity (CMH, CML = ±20 kV/μs TYP.)
  • High isolation voltage (BV = 2 500 Vr.m.s.)
  • Pulse width distortion (⏐tPHL−tPLH⏐ = 3 ns TYP.)
  • Ordering number of tape product : PS9851-1-F3: 1 500 pcs/reel PS9851-2-F3: 1 500 pcs/reel
  • Pb-Free product
  • Safety standards UL approved: No. E72422 DIN EN 60747-5-5 (VDE 0884-5) approved (Option)

tuneProduct Options

Part Number PLP Part Status Pkg. Type Carrier Type Buy Sample
2024 Jul Active
2024 Jul Active
2024 Jul Active


Title language Type Format File Size Date
Datasheets & Errata
star PS9851-1,PS9851-2 Datasheet 日本語 Datasheet PDF 270 KB
Application Notes & White Papers
Photocouplers Applications Note Application Note PDF 957 KB
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