IL256AT Vishay Semiconductors Optocoupler, Phototransistor Output, AC Input, with Base Connection FEATURES 8 NC A/C 1 Guaranteed CTR symmetry, 2:1 maximum C/A 2 7 B Bidirectional AC input industry standard SOIC-8 Surface mountable package C 3 6 NC Isolation test voltage, 4000 V RMS NC 4 5 E Standard lead spacing, 0.05 i179025 Available only on tape and reel (conform to EIA standard RS481A) Lead (Pb)-free component DESCRIPTION Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC The IL256AT is an AC input phototransistor optocoupler. The device consists of two infrared emitters connected in reverse APPLICATIONS parallel and coupled to a silicon NPN phototransistor detector. Telecom applications ring detection These circuit elements are constructed with a standard SOIC-8 foot print. AGENCY APPROVALS The product is well suited for telecom applications such as UL1577, file no. E52744 system code Y ring detection or off/on hook status, given its bidirectional CUL - file no. E52744, equivalent to CSA bulletin 5A LED input and guaranteed current transfer ratio (CTR) minimum of 20 % at I = 10 mA. DIN EN 60747-5-2 (VDE 0884) available with option 1 F ORDER INFORMATION PART REMARKS IL256AT CTR > 20 %, tape and reel, SOIC-8 ABSOLUTE MAXIMUM RATINGS PARAMETER TEST CONDITION SYMBOL VALUE UNIT INPUT Forward continuous current I 60 mA F Power dissipation P 90 mW diss Derate linearly from 25 C 0.8 mW/C OUTPUT Collector-emitter breakdown voltage BV 30 V CEO Emitter-collector breakdown voltage BV 5V ECO Collector-base breakdown voltage BV 70 V CBO Power dissipation P 150 mW diss Derate linearly from 25 C 2.0 mW/C COUPLER Isolation voltage, input to output V 4000 V ISO RMS Total package dissipation P 240 mW tot (LED and detector) Derate linearly from 25 C 3.2 mW/C Storage temperature T - 55 to + 150 C stg Operating temperature T - 55 to + 100 C amb Soldering time at 260 C 10 s Note T = 25 C, unless otherwise specified. amb Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolute maximum ratings for extended periods of the time can adversely affect reliability. Document Number: 83620 For technical questions, contact: optocoupler.answers vishay.com www.vishay.com Rev. 1.8, 08-Jan-08 1IL256AT Optocoupler, Phototransistor Output, Vishay Semiconductors AC Input, with Base Connection ELECTRICAL CHARACTERISTICS PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT INPUT Forward voltage I = 10 mA V 1.2 1.5 V F F OUTPUT Collector emitter breakdown voltage I = 1.0 mA BV 30 50 V C CEO Emitter collector breakdown voltage I = 100 A BV 510 V E ECO Collector base breakdown voltage I = 100 A BV 70 90 V C CBO Collector emitter leakage current V = 10 V I 550 nA CE CEO COUPLER Saturation voltage, collector emitter I = 16 mA, I = 2 mA V 0.4 V F C CEsat Note T = 25 C, unless otherwise specified. Minimum and maximum values are testing requirements. Typical values are characteristics of the amb device and are the result of engineering evaluation. Typical values are for information only and are not part of the testing requirements. CURRENT TRANSFER RATIO PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT DC current transfer ratio I = 10 mA, V = 5 V CTR 20 % F CE DC Symmetry 0.5 1 2 (CTR at + 10 mA)/(CTR at -10 mA) SAFETY AND INSULATION RATINGS PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT Climatic classification 55/100/21 (according to IEC 68 part 1) Comparative tracking index CTI 175 399 V 6000 V IOTM VIORM 560 V PSO 350 mW ISI 150 mA TSI 165 C Creepage distance 4mm Clearance distance 4mm Insulation thickness, reinforced rated per IEC 60950 2.10.5.1 0.2 mm Note As per IEC 60747-5-2, 7.4.3.8.1, this optocoupler is suitable for safe electrical insulation only within the safety ratings. Compliance with the safety ratings shall be ensured by means of prodective circuits. www.vishay.com For technical questions, contact: optocoupler.answers vishay.com Document Number: 83620 2 Rev. 1.8, 08-Jan-08