KT1400 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo 1 z Description KT1400 series consist of a 4 photodarlington optically coupled to a gallium 2 The z Schematic arsenide infrared-emitting diode in a 4 pin LSOP 3 wide body package. Collector-emitter voltage is 300V. It features a high current transfer ratio, low coupling capacitance and high isolation voltage. 1. Anode 2. Cathode 3. Emitter 4. Collector z Features 1. Halogen free 2. Pb free and RoHS compliant 3. Opaque type, SMD low profile 4 lead package 4. High collector-emitter voltage (VCEO : 300V) 5. High current transfer ratio (CTR : Min.1000% at IF =1mA,VCE =2V) 6. High isolation voltage 5000Vrms 7. 8mm outer creepage distance 8. Agency Approvals: • UL1577 / CUL C22.2 No.1 & NTC No.5, File No. E169586 • VDE EN 60747 , File No.40031267 • FMIKO EN 60065 , EN 60950, File No.FI26204 M1 • CQC GB4943 / GB8898-2011, File No. CQC11001057770, CQC11001057771 • CQC GB4943 / GB8898-2011, File No. CQC11001057773, CQC11001057775 z Applications • Telephone sets • Copiers, facsimiles •Interfaces with various power supply circuits, power distribution boards • Hybrid substrates which require high density mounting Cosmo Electronics Corp. Document No. 69P20002.1 -1- http://www.cosmo-ic.com KT1400 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo z Outside Dimension Unit : mm TOLERANCE : ±0.2mm z Device Marking Notes: cosmo cosmo 140□ YWW 140 YWW Cosmo Electronics Corp. Document No. 69P20002.1 -2- □:CTR rank Y: Year code / WW: Week code http://www.cosmo-ic.com KT1400 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo z Absolute Maximum Ratings (Ta=25℃) Parameter Symbol Unit Forward current IF 50 mA Peak forward current IFP 1 A Reverse voltage VR 6 V Power dissipation PD 70 mW Collector-Emitter voltage VCEO 300 V Emitter-Collector voltage VECO 0.1 V Collector current IC 150 mA Collector power dissipation PC 150 mW Total power dissipation Ptot 170 mW Isolation voltage 1 minute Viso 5000 Vrms Operating temperature Topr -55 to +100 ℃ Storage temperature Tstg -55 to +125 ℃ Soldering temperature 10 second Tsol 260 ℃ Input Output z Rating Electro-optical Characteristics Parameter (Ta=25℃) Symbol Conditions Min. Typ. Max. Unit Forward voltage VF IF=20mA – 1.2 1.4 V Reverse current IR VR=4V – – 10 uA Terminal capacitance Ct V=0, f=1KHZ – 30 - pF Collector dark current ICEO VCE=200V, IF=0 – – 1 uA Output Collector-Emitter breakdown voltage BVCEO Ic=0.1mA, IF=0 300 - - V Current transfer ratio CTR IF=1mA, VCE=2V 1000 – - % – - 1.5 V 5x1010 1011 – Ω – 0.6 1.0 pF – 100 300 us – 20 100 us Input Collector-Emitter saturation Transfer voltage charac- Isolation resistance teristics Floating capacitance VCE(sat) IF=1mA, Ic=2mA Riso Cf Response time (Rise) tr Response time (Fall) tf Cosmo Electronics Corp. Document No. 69P20002.1 DC500V, 40 to 60%RH V=0, f=1MHZ Vcc=2V,Ic=20mA,RL=100Ω -3- http://www.cosmo-ic.com KT1400 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo Fig.1 Current Transfer Ratio vs. Forward Current VC E = 2 V T a = 2 5°C Current Transfer Ratio CTR ( % ) 50 00 Classification table of current transfer ratio is shown below. CTR Rank KT1400 CTR ( % ) Min.1000 40 00 30 00 20 00 10 00 0 0 .1 0 .2 0 .5 1 2 5 10 Forward Current IF (mA) Fig.3 Collector Dark Current vs. Ambient Temperature 250 10 Collector Dark Current ICEO ( A ) Collector Power Dissipation PC ( mW ) Fig.2 Collector Power Dissipation vs. Ambient Temperature 200 150 100 50 0 -55 10 10 10 10 10 10 0 25 55 75 100 125 -5 VC E = 2 0 0 V -6 -7 -8 -9 -1 0 -1 1 -5 5 Ambient Temperature Ta (℃) 40 60 80 100 115 Fig.5 Forward Current vs. Forward Voltage 60 500 Forward Current IF ( mA ) Forward Current IF ( mA ) 20 Ambient Temperature Ta (℃) Fig.4 Forward Current vs. Ambient Temperature 50 40 30 20 10 0 -55 0 200 Ta=75°C 50°C 100 25°C 0°C -25°C 50 20 10 5 2 1 0 0 25 50 75 100 1.0 1.5 2.0 2.5 3.0 Forward Voltage VF (V) Ambient Temperature Ta (℃) Cosmo Electronics Corp. Document No. 69P20002.1 0.5 125 -4- http://www.cosmo-ic.com KT1400 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo Fig.6 Collector Current vs. Collector-Emitter Voltage 3000 Ta =25°C Relative Current Transfer Ratio ( % ) Collector Current IC (mA) 200 Fig.7 Relative Current Transfer Ratio vs. Ambient Temperature I F =10mA I F =5mA I F =3mA I F =2.5mA 100 I F =2mA I F =1.5mA I F =1mA Pc (MAX) I F =0.5mA 0 0 1 2 3 4 I F= 1 m A VCE = 2 V 2000 1000 0 5 -2 5 -5 5 Collector-Emitter Voltage VCE (V) 0 25 50 75 100 Ambient Temperature Ta (℃) Fig.8 Collector-Emitter Saturation Voltage vs. Forward Current Fig.9 Response Time vs. Load Resistance 500 Ic = 5 m A T a = 2 5 °C Response Time ( us ) Collector-Emitter Saturation Voltage VCE ( V ) 1 000 5 Ic = 1 0 m A 4 Ic = 3 0 m A Ic = 5 0 m A 3 Ic = 7 0 m A Ic = 1 0 0 m A 2 1 0 0 1 2 3 4 tr 100 50 tf td ts 20 10 5 2 1 5 0.01 Forward Current IF (mA) Cosmo Electronics Corp. Document No. 69P20002.1 200 VC C = 2V Ic = 2 0m A T a = 2 5°C 0.1 1 10 Load Resistance RL (KΩ) -5- http://www.cosmo-ic.com KT1400 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo z Test Circuit for Response Time c c V F I % 0 9 e c V 3 e c V 4 2 L R 1 F I % 0 1 -6- f t r t Cosmo Electronics Corp. Document No. 69P20002.1 http://www.cosmo-ic.com KT1400 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo z Recommended Soldering Conditions (a) Infrared reflow soldering： Peak reflow soldering： 260℃ or below (package surface temperature) Time of peak reflow temperature： 10 sec Time of temperature higher than 230℃： 30-60 sec Time to preheat temperature from 180~190℃： 60-120 sec Time(s) of reflow： Two Flux： Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt% is recommended.) Recommended Temperature Profile of Infrared Reflow 10 sec M ax. temperature 260℃ 230℃ 190℃ 3 0 -6 0 s e c 180℃ 6 0 -1 2 0 s e c t (s ) (b) Wave soldering： Temperature： 260℃ or below (molten solder temperature) Time： 10 seconds or less Preheating conditions： 120℃ or below (package surface temperature) Time(s) of reflow： One Flux： Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt% is recommended.) (c) Cautions： Fluxes： Avoid removing the residual flux with freon-based and chlorine-based cleaning solvent. Avoid shorting between portion of frame and leads. Cosmo Electronics Corp. Document No. 69P20002.1 -7- http://www.cosmo-ic.com KT1400 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo z Numbering System KT1400 (Z) Notes: KT1400= Part No. Z = Tape and reel option (TLD、TRU) Option z Description Packing quantity (TLD) TLD tape & reel option 3000 units per reel (TRU) TRU tape & reel option 3000 units per reel Recommended Pad Layout for Surface Mount Lead Form Unit : mm Cosmo Electronics Corp. Document No. 69P20002.1 -8- http://www.cosmo-ic.com KT1400 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo z 4-pin LSOP Carrier Tape & Reel TOLERANCE ： ±0.2mm Cosmo Electronics Corp. Document No. 69P20002.1 -9- http://www.cosmo-ic.com KT1400 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo z Application Notice The content of datasheet is the guidance for product use only. cosmo takes no responsibility to the accuracy of the information provided here. For continuously improving all of products, including quality, reliability, function...etc., cosmo reserves the right to change the specification, characteristics, data, materials, and structure of products without notice. Please contact with cosmo to obtain the latest specification. It would be required to comply with the absolute maximum ratings listed in the specification. cosmo has no liability and responsibility to the damage caused by improper use of the products. cosmo products are intended to be designed for use in general electronics application list below: a. Personal computer b. OA machine c. Audio / Video d. Instrumentation e. Electrical application f. Measurement equipment g. Consumer electronics h. Telecommunication cosmo devices shall not be used or related with equipment requiring higher level of quality / reliability, or malfunction, or failure which may cause loss of human life, bodily injury, includes, without limitation: a. Medical and other life supporting equipments b. Space application c. Telecommunication equipment (trunk lines) d. Nuclear power control e. Equipment used for automotive vehicles, trains, ships...etc. This publication is the property of cosmo. No part of this publication may be reproduced or copied in any form or any means electronically or mechanically for any purpose, in whole or in part without any written permission expressed from cosmo. Cosmo Electronics Corp. Document No. 69P20002.1 - 10 - http://www.cosmo-ic.com