The PS2533-1 and PS2533L-1 are optically coupled isolators containing a GaAs light emitting diode and an NPN silicon darlington connected phototransistor. The PS2533-1 is in a plastic DIP (Dual In-line Package) and the PS2533L-1 is lead bending type (Gull-wing) for surface mount.


  • High collector to emitter voltage (VCEO = 350 V)
  • High Isolation voltage (BV = 5 000 Vr.m.s.)
  • High current transfer ratio (CTR = 4 000% TYP.)
  • High-speed switching (tr, tf = 100 μs TYP.)
  • Ordering number of tape product: PS2533L-1-F3: 2 000 pcs/reel
  • Safety standards UL approved: No. E72422 CSA approved: No. CA 101391 (CA5A, CAN/CSA-C22.2 60065, 60950) BSI approved: No. 8221/8222 SEMKO approved: No. 903238 NEMKO approved: No. P09210868 DEMKO approved: No. 314999 FIMKO approved: No. FI 25119 DIN EN60747-5-2 (VDE0884 Part2) approved: No. 40008862 (Option)

Product Options

Part Number Part Status Pkg. Type Carrier Type Buy Sample

Documentation & Downloads

Title language Type Format File Size Date
Datasheets & Errata
PS2533-1, PS2533L-1 Data sheet Datasheet PDF 5.08 MB
Application Notes & White Papers
PS2500-Series Application Note 日本語 Application Note PDF 466 KB
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