Sensing and Control Optically Coupled Isolator OPI120, OPI123 Features: 15kVelectricalisolaon Choiceofphototransistororphotodaringtonoutput Hermecally sealedLEDandphotosensor Basecontactforconvenonal transistorbiasing(OP120only) ULrecognizedFileNo.E58730* Wideopera ngtemperaturerange Descrip on: EachOptoisolatorinthisdatasheetcontainsaninfraredLightEmi ngDiode(LED)andaNPNsilicon Photosensor.TheOPI120hasan890nmLightEmi ngDiode(LED)andNPNphototransistorsensor,whereas theOP123hasa890nmLEDandaphotodarlingtonsensor.Thedevicesaresealedinaprecastopaquehousing withaop callytransmissivepathbetweentheLEDandthephotosensor. TheOptoisolatorsinthisdatasheetareULapprovedunderE58730. Thisseriesisdesignedfortransmissionofinformaon betweenonepowersupplyvoltagetoanotherwherethe potenals duringsurgecondi onsarenotgreaterthantheguaranteedisolaon voltage. Customelectrical,wireandcablingandconnectorsareavailable.Contactyourlocalrepresentave orOPTEKfor moreinformaon. TXandTXVprocessingisavailable.Formoreinformaon, contactyourlocalrepresentave orOPTEK. Applica ons: Highvoltageisolaon betweeninputandoutput Electricalisolaon indirtyenvironments Industrialequipment Medicalequipment OrderingInforma on Oceequipment Isola on V Lead CE Part LEDPeak Voltage CTR I (mA) (Volts) Length/ F Number Wavelength Sensor (,000) Min Typ/Max Max Spacing 890nm OPI120 Transistor 20 25 0.40 / or 15 10/50 0.75 OPI123 Darlington 50 20 935nm RoHS GeneralNote TTElectronicsreservestherighttomakechangesinproductspecica on 1645WallaceDrive,Carrollton,TX75006 Ph:+19723232200 withoutno ceorliability.Allinforma onissubjecttoTTElectronicsowndata www.optekinc.com www. electronics.com andisconsideredaccurateat meofgoingtoprint. IssueB.A03/2015Page1 TTelectronicsplc Sensing and Control Optically Coupled Isolator OPI120, OPI123 o AbsoluteMaximumRangs (T =25 Cunlessotherwisenoted) A StorageTemperature 55Cto+125C Opera ngTemperature 55Cto+100C (1)(2) InputtoOutputIsola onVoltage 15kVDC (3) LeadSolderingTemperature(1/16(1.6mm)fromcasefor5secondswithsolderingiron) 260C InputDiode (4) ForwardDCCurrent 150mA ReverseDCVoltage 3V (5) PowerDissipa on 200mW OutputPhotosensor CollectorEmi erVoltage OPI120 25V OPI123 20V Emi erCollectorVoltage 5V CollectorBaseVoltage OPI120 25V (6) PowerDissipa on 250mW Notes: (1) Measuredwithinputandoutputleadsshortedinairwithamaximumrela vehumidityof50%.Ifsuitablyencapsulatedoroilimmersed,the isola onvoltageisincreasedto25kVminimum. (2) ULrecogni onisfor3500Vrmsat60Hz (3) RMAuxisrecommended.Thedura oncanbeextendedto10secondsmaximumwhenowsoldering. (4) Deratelinearly2.0mA/Cabove25C. (5) Deratelinearly2.67mA/Cabove25C. (6) Deratelinearly3.33mA/Cabove25C. OPI120 1 5 4Base 2 3 OPI123 1 5 MILLIMETERS DIMENSIONSAREIN: INCHES 4NotConnected Pin LED Pin Transistor Pin Darlington 1 Anode 3 Emi er 3 Emi er 2 3 2 Cathode 4 Base 4 Open 5 Collector 5 Collector GeneralNote TTElectronicsreservestherighttomakechangesinproductspecica on 1645WallaceDrive,Carrollton,TX75006 Ph:+19723232200 withoutno ceorliability.Allinforma onissubjecttoTTElectronicsowndata www.optekinc.com www. electronics.com andisconsideredaccurateat meofgoingtoprint. IssueB.103/2015Page2 TTelectronicsplc