SFH620-1X, SFH620-2X, SFH620-3X SFH620-1, SFH620-2, SFH620-3 AC INPUT PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS APPROVALS l UL recognised, File No. E91231 'X' SPECIFICATION APPROVALS l Certified to EN60950 by the following Test Bodies :Nemko - Certificate No. P96102022 Fimko - Registration No. 192313-01..25 Semko - Reference No. 9639052 01 Demko - Reference No. 305969 VDE 0884 approval pending DESCRIPTION The SFH620 series of optically coupled isolators consist of inverse parallel infrared light emitting diodes and NPN silicon photo transistors in space efficient dual in line plastic packages. OPTION SM SURFACE MOUNT OPTION G 7.62 1 2 7.0 6.0 4 3 1.2 7.62 5.08 4.08 4.0 3.0 l FEATURES l Options :10mm lead spread - add G after part no. Surface mount - add SM after part no. Tape&reel - add SMT&R after part no. l Low input current 1mA IF l High Current Transfer Ratios l High Isolation Voltage (5.3kVRMS ,7.5kVPK ) l High BVCEO (70V min) l AC or polarity insensitive input l All electrical parameters 100% tested l Custom electrical selections available APPLICATIONS l Computer terminals l Industrial systems controllers l Measuring instruments l Telephone sets, Telephone exchanges l Signal transmission between systems of different potentials and impedances Dimensions in mm 2.54 13 Max 0.5 3.0 0.5 3.35 0.26 ABSOLUTE MAXIMUM RATINGS (25C unless otherwise specified) Storage Temperature -55C to + 125C Operating Temperature -55C to + 100C Lead Soldering Temperature (1/16 inch (1.6mm) from case for 10 secs) 260C INPUT DIODE Forward Current Power Dissipation OUTPUT TRANSISTOR Collector-emitter Voltage BVCEO Emitter-collector Voltage BVECO Power Dissipation 200mW (derate linearly 2.67mW/C above 25C) 1.4 0.9 0.26 10.16 ISOCOM COMPONENTS LTD Unit 25B, Park View Road West, Park View Industrial Estate, Brenda Road Hartlepool, Cleveland, TS25 1YD Tel: (01429) 863609 Fax :(01429) 863581 30/7/97 70V 6V 150mW POWER DISSIPATION Total Power Dissipation 1.2 0.6 10.2 9.5 50mA 70mW ISOCOM INC 720 E., Park Boulevard, Suite 104, Plano, TX 75074 USA Tel: (972) 423-5521 Fax: (972) 422-4549 DB92307-AAS/A1 ELECTRICAL CHARACTERISTICS ( TA = 25C Unless otherwise noted ) PARAMETER MIN TYP MAX UNITS Input Forward Voltage (VF) Output Collector-emitter Breakdown (BVCEO) 70 ( Note 2 ) Emitter-collector Breakdown (BVECO) 6 Collector-emitter Dark Current (ICEO) SFH620-1,2 SFH620-3 Current Transfer Ratio (CTR) (Note 2) SFH620-1 SFH620-2 SFH620-3 40 63 100 SFH620-1 SFH620-2 SFH620-3 13 22 34 Coupled 1.65 Input to Output Isolation Voltage VISO IF = 50mA V IC = 1mA V IE = 100A 50 100 nA nA VCE = 10V 125 200 320 % % % 10mA IF , 5V V CE % % % 1mA IF , 5V VCE V 10mA IF , 2.5mA IC VRMS VPK See note 1 See note 1 VIO = 500V (note 1) 5300 7500 5x1010 Input-output Isolation Resistance RISO Note 1 Note 2 V 0.4 Collector-emitter Saturation Voltage VCESAT TEST CONDITION Measured with input leads shorted together and output leads shorted together. Special Selections are available on request. Please consult the factory. SWITCHING CHARACTERISTICS 1. Linear Operation (without saturation) Fig 1. IF = 10mA, VCC = 5V, RL = 75, T A = 25C UNITS Turn-on Time Rise Time Turn-off Time Fall Time Cut-off Frequency ton tr toff tf FCO 3.0 2.0 2.3 2.0 250 s s s s kHz VCC Input ton toff RL = 75 tr Output tf Output 10% 10% 90% 90% FIG 1 30/7/97 DB92307-AAS/A1 Collector Power Dissipation vs. Ambient Temperature Collector Current vs. Collector-emitter Voltage ( normalized to SFH620-2 & SFH620-3 ) TA = 25C 50 Collector current IC (mA) Collector power dissipation PC (mW) 200 150 100 50 40 50 30 30 20 15 20 10 10 IF = 5mA 0 0 -30 0 25 50 75 100 0 125 Forward Current vs. Ambient Temperature 8 10 320 40 30 20 10 VCE = 5V TA = 25C 280 Current transfer ratio CTR (%) 50 240 SFH620-3 200 160 SFH620-2 120 SFH620-1 80 40 0 0 -30 0 25 50 75 100 1 125 2 Ambient temperature TA ( C ) IF = 10mA VCE = 5V 1.0 0.5 0 -30 0 25 50 75 Ambient temperature TA ( C ) 100 Collector-emitter saturation voltage VCE(SAT) (V) 1.5 5 10 20 50 Forward current IF (mA) Relative Current Transfer Ratio vs. Ambient Temperature Relative current transfer ratio 6 Current Transfer Ratio vs. Forward Current 60 30/7/97 4 Collector-emitter voltage VCE ( V ) Ambient temperature TA ( C ) Forward current IF (mA) 2 Collector-emitter Saturation Voltage vs. Ambient Temperature 0.28 0.24 IF = 10mA IC = 2.5mA 0.20 0.16 0.12 0.08 0.04 0 -30 0 25 50 75 100 Ambient temperature TA ( C ) DB92307-AAS/A1