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 1 2 7.0 6.0 4 3 1.2 5.08 4.08 7.62 4.0 3.0 l 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 Dimensions in mm 2.54 13° Max 0.5 3.0 0.5 3.35 0.26 ABSOLUTE MAXIMUM RATINGS (25°C unless otherwise specified) Storage Temperature -55°C to + 125°C Operating Temperature -55°C to + 100°C Lead Soldering Temperature (1/16 inch (1.6mm) from case for 10 secs) 260°C l INPUT DIODE Forward Current Power Dissipation ±50mA 70mW OUTPUT TRANSISTOR Collector-emitter Voltage BVCEO Emitter-collector Voltage BVECO Power Dissipation OPTION SM SURFACE MOUNT OPTION G 7.62 70V 6V 150mW POWER DISSIPATION Total Power Dissipation 200mW (derate linearly 2.67mW/°C above 25°C) 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 = 25°C Unless otherwise noted ) PARAMETER MIN Input Forward Voltage (VF) Output 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 40 63 100 SFH620A-1 SFH620A-2 SFH620A-3 13 22 34 Coupled 1.65 Collector-emitter Saturation Voltage VCESAT Input to Output Isolation Voltage VISO TEST CONDITION V IF = ±50mA V IC = 1mA V IE = 100µA 50 100 nA nA VCE = 10V 125 200 320 % % % ±10mA IF , 5V VCE % % % ±1mA IF , 5V VCE V ±10mA IF , 2.5mA IC VRMS VPK Ω See note 1 See note 1 VIO = 500V (note 1) 0.4 5300 7500 5x1010 Input-output Isolation Resistance RISO Note 1 Note 2 TYP MAX UNITS 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 = 75Ω, TA = 25°C 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 µs µs µs µs kHz VCC Input ton toff RL = 75Ω tr Output tf Output 10% 10% 90% 90% FIG 1 DB92511m-AAS/A1 Collector Power Dissipation vs. Ambient Temperature Collector Current vs. Collector-emitter Voltage ( normalized to SFH620A-2 & SFH620A-3 ) TA = 25°C 50 Collector current I C (mA) Collector power dissipation P C (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 Current transfer ratio CTR (%) 50 40 30 20 10 VCE = 5V TA = 25°C 280 240 SFH620A-3 200 160 SFH620A-2 120 SFH620A-1 80 40 0 0 -30 0 25 50 75 100 1 125 2 Ambient temperature TA ( °C ) 1.0 0.5 0 -30 0 25 50 75 Ambient temperature TA ( °C ) 10 20 50 Collector-emitter Saturation Voltage vs. Ambient Temperature (V) CE(SAT) IF = ±10mA VCE = 5V 100 Collector-emitter saturation voltage V 1.5 5 Forward current IF (±mA) Relative Current Transfer Ratio vs. Ambient Temperature Relative current transfer ratio 6 Current Transfer Ratio vs. Forward Current 60 7/12/00 4 Collector-emitter voltage VCE ( V ) Ambient temperature TA ( °C ) Forward current I F (±mA) 2 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 ) DB92511m-AAS/A1