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| SFH620A-1, SFH620A-2, SFH620A-3 AC INPUT PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS APPROVALS l UL recognised, File No. E91231 DESCRIPTION The SFH620A 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. FEATURES 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 (40-320% at 10mA, 13% min at 1mA) 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 l 2.54 7.0 6.0 1.2 5.08 4.08 1 2 Dimensions in mm 4 3 7.62 4.0 3.0 0.5 13 Max 0.26 3.0 0.5 3.35 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 70V 6V 150mW 50mA 70mW APPLICATIONS Computer terminals l Industrial systems controllers l Measuring instruments l Telephone sets, Telephone exchanges l Signal transmission between systems of different potentials and impedances l OPTION SM SURFACE MOUNT OPTION G 7.62 POWER DISSIPATION Total Power Dissipation (derate linearly 2.67mW/C above 25C) 200mW 0.6 0.1 10.46 9.86 1.25 0.75 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 7/12/00 DB92511m-AAS/A1 ELECTRICAL CHARACTERISTICS ( TA = 25C Unless otherwise noted ) PARAMETER Input Output Forward Voltage (VF) Collector-emitter Breakdown (BVCEO) 70 ( Note 2 ) Emitter-collector Breakdown (BVECO) 6 Collector-emitter Dark Current (ICEO) SFH620A-1,2 SFH620A-3 Current Transfer Ratio (CTR) (Note 2) SFH620A-1 SFH620A-2 SFH620A-3 SFH620A-1 SFH620A-2 SFH620A-3 MIN TYP MAX UNITS 1.65 V V V 50 100 nA nA TEST CONDITION IF = 50mA IC = 1mA IE = 100A VCE = 10V Coupled 40 63 100 13 22 34 125 200 320 % % % % % % 10mA IF , 5V VCE 1mA IF , 5V VCE Collector-emitter Saturation Voltage VCESAT Input to Output Isolation Voltage VISO Input-output Isolation Resistance RISO 5300 7500 5x1010 0.4 V VRMS VPK 10mA IF , 2.5mA IC See note 1 See note 1 VIO = 500V (note 1) Note 1 Note 2 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, TA = 25C UNITS Turn-on Time Rise Time Turn-off Time Fall Time Cut-off Frequency VCC Input RL = 75 Output Output 10% tr tf ton toff ton tr toff tf FCO 3.0 2.0 2.3 2.0 250 s s s s kHz 10% 90% 90% FIG 1 DB92511m-AAS/A1 Collector Power Dissipation vs. Ambient Temperature 200 Collector power dissipation P C (mW) Collector Current vs. Collector-emitter Voltage ( normalized to SFH620A-2 & SFH620A-3 ) 50 TA = 25C 150 Collector current I C (mA) 40 30 50 30 20 15 100 20 10 10 50 IF = 5mA 0 -30 0 25 50 75 100 125 Ambient temperature TA ( C ) Forward Current vs. Ambient Temperature 60 50 40 30 20 10 0 -30 0 25 50 75 100 125 Ambient temperature TA ( C ) Relative Current Transfer Ratio vs. Ambient Temperature 1.5 Current transfer ratio CTR (%) 0 0 2 4 6 8 10 Collector-emitter voltage VCE ( V ) Current Transfer Ratio vs. Forward Current 320 280 240 200 160 120 80 40 0 1 2 5 10 20 50 Forward current IF (mA) Collector-emitter Saturation Voltage vs. Ambient Temperature 0.28 0.24 0.20 0.16 0.12 0.08 0.04 0 -30 0 25 50 75 100 Ambient temperature TA ( C ) DB92511m-AAS/A1 Forward current I F (mA) VCE = 5V TA = 25C SFH620A-3 SFH620A-2 SFH620A-1 Relative current transfer ratio IF = 10mA VCE = 5V Collector-emitter saturation voltage V CE(SAT) (V) IF = 10mA IC = 2.5mA 1.0 0.5 0 -30 0 25 50 75 100 Ambient temperature TA ( C ) 7/12/00 |
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