The PS2845-4A is an optically coupled isolator containing GaAs light emitting diodes and NPN silicon phototransistors. This product includes four channels in a single package for high-density mounting applications. The PS2845-4A is the world's smallest class of photocouplers and realizes about 50% reduction in mounting area compared with the PS280x and PS281x Series.


  • Ultra small and thin package (12-pin ultra shrink SOP, Pin pitch 0.8 mm, 4.4 (L) × 5.6 (W) × 2.5 (H))
  • Common lead anode, cathode, collector common
  • High current transfer ratio (CTR = 200% TYP. @ IF = ±1mA)
  • High isolation voltage (BV = 1 500 Vr.m.s.)
  • Pb-Free product
  • Ordering number of tape product: PS2845-4A-F3: 2 500 pcs/reel
  • Safety standards UL approved: UL1577, Single protecion




Type Title Date
Datasheet PDF 5.05 MB
Brochure PDF 2.04 MB 日本語
Brochure PDF 5.20 MB 日本語
Product Reliability Report PDF 189 KB
Brochure PDF 5.14 MB 日本語
Product Change Notice PDF 99 KB 日本語
Application Note PDF 466 KB 日本語
Application Note PDF 957 KB
8 items

Design & Development