The PS2561F-1 is an optically coupled isolator containing a GaAs light emitting diode and an NPN silicon phototransistor. The PS2561F-1 is in a plastic DIP (Dual In-line Package) and the PS2561FL-1 is lead bending type (Gull-wing) for surface mount.


  • Operating ambient temperature: 110°C
  • High Isolation voltage (BV = 5 000 Vr.m.s.)
  • High collector to emitter voltage (VCEO = 80 V)
  • High current transfer ratio (CTR = 450% TYP.)
  • High-speed switching (tr = 5 μs TYP., tf = 7 μs TYP.)
  • Embossed tape product: PS2561FL-1-F3 : 2 000 pcs/reel
  • Pb-Free product
  • Safety standard UL approved: No. E72422


Title language Type Format File Size Date
star PS2561F-1,PS2561FL-1 Datasheet 日本語 Datasheet PDF 243 KB
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 2.72 MB
Photocouplers Brochure 日本語 Brochure PDF 3.79 MB
Photocouplers Selection Guide 日本語 Brochure PDF 4.34 MB
PS2561FL-1 Reliability Report Product Reliability Report PDF 196 KB