PHOTOCOUPLER KB844 GENERAL PURPOSE HIGH ISOLATION VOLTAGE SINGLE TRANSISTOR TYPE PHOTOCOUPLER SERIES FEATURES 1.AC Input Vrms) 2.High isolation voltage between input and output (Viso=50000 Vr.m.s) 3.Compact dual-in-line package KB844:4-channel type 4.Recognized by UL and CUL, file NO. E225308 5.Approved by VDE 0884 Teil2(NO:40006364) (Creepage distance between input and output:7mm or more) 6.RoHS Compliant. DESCRIPTION 1.The KB844(4-channel) is optically coupled isolators containing two GaAs light emitting diode and an NPN silicon phototransistor. 2.The lead pitch is 2.54mm. APPLICATIONS 1.Computer terminals. 2.Registers, copiers, automatic vending machines. 3.System appliances, measuring instruments. 4.Programmable logic controller. 5.Signal transmission between circuits of different potentials and impedances. SPEC NO: DSAD1536 APPROVED: J. Lu REV NO: V.5 CHECKED: Tracy Deng DATE: MAR/14/2005 DRAWN: S.H.CHEN PAGE: 1 OF 8 ERP:1205000023 PHOTOCOUPLER KB844 ½PACKAGE DIMENSIONS (UNIT:mm) DIP Type KB844 Top View Internal connection diagram 2.54 [0.1] 0.25 16 16 15 14 13 12 11 10 1 8 1 9 6.5[0.256] KB814 KB814 Anode mark KB814 KB814 9 2 3 4 5 6 7 8 7.62 [0.3] 0.3 2.7 [0.106] 3.5 [0.138] 0.4[0.015]MIN. 19.82 [0.78] G 0.5 [0.02] 0.1 G 0.25 [0.01] 0.1 ð= 0 to 13 ± 3.0[0.118] 7[0.276] 0.9 [0.035] 0.2 1.2 [0.047] 0.3 1, 3, 5, 7. Anode,Cathode 9, 11, 13, 15. Emitter 2, 4, 6, 8. Anode,Cathode 10, 12, 14, 16. Collector C) * Absolute Maximum Ratings (Ta=25± TOLERANCE : ±0.5[±0.02] UNLESS OTHERWISE NOTED. Symbol Parameter Rating Forward current IF ²50 Unit Power dissipation P 70 mW Input mA Collector-emitter voltage V CEO 35 V Emitter-collector voltage V ECO 6 V Collector current IC 50 mA Collector power dissipation PC 150 mW Ptot 200 mW Viso 5000 VV r.m.s rms Operating temperature Topr -30~+100 Storage temperature Tstg -55~+125 Tsol 260 Output Total power dissipation *1 *2 Isolation voltage Soldering temperature *1 40 to 60%RH, AC for 1 minute *2 For 10 seconds SPEC NO: DSAD1536 APPROVED: J. Lu REV NO: V.5 CHECKED: Tracy Deng DATE: MAR/14/2005 DRAWN: S.H.CHEN ±C ±C ±C PAGE: 2 OF 8 ERP:1205000023 PHOTOCOUPLER KB844 C) * Electro-optical Characteristics (Ta=25± Parameter Symbol Forward voltage VF Input Peak forward voltage Output Collector dark current VFM I CEO CTR Current transfer ratio Transfer characteristics Collector-emitter saturation voltage VCE( sat) Rise time tr Fall time tf Response time Min. Typ. Conditions I F =²20mA 1.2 I FM =²0.5A 1.4 V 3.0 V 10 -7 A 300 % 0.1 0.2 V 4 18 3 18 VCE =20V,IF =0mA I F=²1mA, VCE=5V 20 I F =²20mA, IC=1mA R L=100è VCE=2V, I C=2mA Max. Unit ô ô Classification table of current transfer ratio is shown below. Ic CTR= I F X 100% Model NO. Rank mark CTR(%) KB844L L 20~60 KB844A A 50~150 KB844B B 120~300 KB844LA L or A 20~150 KB844AB A or B 50~300 KB844 L,A,B or No mark 20~300 SPEC NO: DSAD1536 APPROVED: J. Lu REV NO: V.5 CHECKED: Tracy Deng DATE: MAR/14/2005 DRAWN: S.H.CHEN PAGE: 3 OF 8 ERP:1205000023 PHOTOCOUPLER KB844 Fig. 1 Current Transfer Ratio vs. Forward Current Fig. 2 Forward Current vs. Forward voltage Fig. 3 Collector Current vs. Collector-emitter Voltage Fig. 4 Relative Current Transfer Ratio vs. Ambient Temperature Fig. 5 Collector-emitter Saturation Voltage vs. Ambient Temperature Fig. 6 Collector Dark Current vs. Ambient Temperature SPEC NO: DSAD1536 APPROVED: J. Lu REV NO: V.5 CHECKED: Tracy Deng DATE: MAR/14/2005 DRAWN: S.H.CHEN PAGE: 4 OF 8 ERP:1205000023 PHOTOCOUPLER KB844 Fig. 7 Forward Current vs. Ambient Temperature Fig. 9 Response Time vs. Load Resistance Fig. 8 Collector Power Dissipation vs. Ambient Temperature Test Circuit for Response Time KΩ Fig. 10 Frequency Response Test Circuit for Frequency Response Ω Ω SPEC NO: DSAD1536 APPROVED: J. Lu Ω REV NO: V.5 CHECKED: Tracy Deng DATE: MAR/14/2005 DRAWN: S.H.CHEN PAGE: 5 OF 8 ERP:1205000023 PHOTOCOUPLER KB844 Fig. 11 Collector-emitter Saturation Voltage vs. Forward Current * NOTES ON HANDLING 1.Recommended soldering conditions (Dip soldering) (1) Dip soldering Temperature 260 °C or below (molten solder temperature) Time Less than 10 seconds. Cycle One cycle allowed to be dipped in solder including plastic nold portion. Flux Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt % is recommended.) (2) Cautions Fluxes Avoid removing the residual flux with freon-based and chlorine-based cleaning solvent. 2.Cautions regarding noise Be aware that power is suddenly into the component any surge current may cause damage happen, even if the voltage is within the absolute maximum ratings. SPEC NO: DSAD1536 APPROVED: J. Lu REV NO: V.5 CHECKED: Tracy Deng DATE: MAR/14/2005 DRAWN: S.H.CHEN PAGE: 6 OF 8 ERP:1205000023 PHOTOCOUPLER KB844 CAUTION Within this device there exists GaAs (Gallium Arsenide) material which is a harmful substance if ingested. GaAs dust and fumes are toxic. Do not break, cut or pulverize the product, or use chemicals to dissolve them. RESTRICTIONS ON PRODUCT USE The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version. Not all devices / types available in every country. We are mention about our product quality stablity, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing KINGBRIGHT products, to observe standards of safety, and to a avoid situations in which a malfunction or failure of a KINGBRIGHT product could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that KINGBRIGHT products are used within specified operating ranges as set forth in the most recent products specifications. SPEC NO: DSAD1536 APPROVED: J. Lu REV NO: V.5 CHECKED: Tracy Deng DATE: MAR/14/2005 DRAWN: S.H.CHEN PAGE: 7 OF 8 ERP:1205000023 PHOTOCOUPLER KB844 TOLERANCE : ² 0.4[ ²0.012] UNLESS OTHERWISE NOTED. Dimension of Tube Unit:mm Dimension of Carton Part Number Package Packing Style KB844 16-pin DIP 25pcs / each tube SPEC NO: DSAD1536 APPROVED: J. Lu REV NO: V.5 CHECKED: Tracy Deng DATE: MAR/14/2005 DRAWN: S.H.CHEN PAGE: 8 OF 8 ERP:1205000023