Data Sheet R08DS0104EJ0501 PS2811-1,PS2811-4 Rev.5.01 Apr 25, 2019 LOW INPUT CURRENT, HIGH CTR 4, 16-PIN SSOP PHOTOCOUPLER DESCRIPTION The PS2811-1 and PS2811-4 are optically coupled isolators containing a GaAs light emitting diode and an NPN silicon phototransistor in a plastic SSOP for high density applications. The package is a Shrink SOP (Small Outline Package) type for high density mounting applications. FEATURES High current transfer ratio (CTR = 200% TYP. I = 1 mA) F High isolation voltage (BV = 2 500 Vr.m.s.) Small and thin package (4, 16-pin SSOP, Pin pitch 1.27 mm) Ordering number of taping product: PS2811-1-F3: 3 500 pcs/reel : PS2811-4-F3: 2 500 pcs/reel Pb-Free product Safety standards UL approved: UL1577, Single protection CSA approved: CAN/CSA-C22.2 No. 62368-1, Basic insulation VDE approved: DIN EN 60747-5-5 (Option) APPLICATIONS Programmable logic controllers Small power supply Hybrid IC Modem/FAX R08DS0104EJ0501 Rev.5.01 Page 1 of 15 Apr 25, 2019 PS2811-1, PS2811-4 Data Sheet PACKAGE DIMENSIONS (UNIT: mm) PHOTOCOUPLER CONSTRUCTION Parameter Unit (MIN.) Air Distance 4.5 mm Creepage Distance 4.5 mm Isolation Thickness 0.1 mm R08DS0104EJ0501 Rev.5.01 Page 2 of 15 Apr 25, 2019