PS2021 - NEC

PS2021 Photo Coupler

The PS2021 is an optically coupled isolator containing a GaAs light emitting diode and an NPN silicon photo transistor. Package Dimensions 1A I 7(.20.2'083.)5 -------- 6 5 4 (/J 1 (,/0 0.039) Features D Small package: 7.2 x 6.5 x 3.5mm D High isolation voltage: 4000VAC rating D High transfer ratio: 50% min D High speed switching: tr, tf = 3/Ls typ D E.

Features

D Small package: 7.2 x 6.5 x 3.5mm D High isolation voltage: 4000VAC rating D High transfer ratio: 50% min D High speed switching: tr, tf = 3/Ls typ D Economical, compact, dual in-line plastic package Applications D Interface circuit for various instruments and control equipment D Chopper circuits D Computer and peripheral manufacture D Pulse transformers D Data communication equipment 0.5 (0.02) I1-(20.5.41)~I Package Dimensions In Millimeters (Inches) 'Under application for UL 83-000557A Pin Connection (Top View) 1. Anode 2. Cathode 3. NC 4. Emitter 5. Collector 6. Base Absolute Maxim.