SFH618-2X, SFH618-3X, SFH618-4X, SFH618-2, SFH618-3, SFH618-4 LOW INPUT CURRENT 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 SFH618 series of optically coupled isolators consist of infrared light emitting diodes and NPN silicon photo transistors in space efficient dual in line plastic packages. 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 0.5mA IF l High Current Transfer Ratios (63-320% at 1mA, 32% min at 0.5mA) l High Isolation Voltage (5.3kVRMS ,7.5kVPK ) l High BVCEO (55V min) l All electrical parameters 100% tested l Custom electrical selections available OPTION SM SURFACE MOUNT OPTION G 7.62 1 2 7.0 6.0 4 3 1.2 5.08 4.08 7.62 4.0 3.0 l APPLICATIONS l Computer terminals l Industrial systems controllers l Measuring instruments 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 INPUT DIODE Forward Current Reverse Voltage Power Dissipation 50mA 6V 70mW OUTPUT TRANSISTOR Collector-emitter Voltage BVCEO Emitter-collector Voltage BVECO Power Dissipation 55V 6V 150mW POWER DISSIPATION Total Power Dissipation 0.6 0.1 10.46 9.86 1.25 0.75 200mW (derate linearly 2.67mW/°C above 25°C) 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 DB92370m-AAS/A1 ELECTRICAL CHARACTERISTICS ( TA = 25°C Unless otherwise noted ) PARAMETER Input Output Coupled MIN Forward Voltage (VF) Reverse Voltage (VR) Reverse Current (IR) 1.5 6 10 Collector-emitter Breakdown (BVCEO) 55 ( Note 2 ) Emitter-collector Breakdown (BVECO) 6 Collector-emitter Dark Current (ICEO) Current Transfer Ratio (CTR) (Note 2) SFH618-2 SFH618-2 SFH618-3 SFH618-3 SFH618-4 SFH618-4 200 63 32 100 50 160 80 125 200 320 Collector-emitter Saturation Voltage VCESAT SFH618-2 SFH618-3 SFH618-4 Input to Output Isolation Voltage VISO 0.4 0.4 0.4 5300 7500 5x1010 Input-output Isolation Resistance RISO Note 1 Note 2 TYP MAX UNITS TEST CONDITION V V µA IF = 5mA IR = 10µA VR = 6V V IC = 1mA V nA IE = 100µA VCE = 10V % % % % % % 1mA IF , 0.5V VCE 0.5mA IF , 1.5V VCE 1mA IF , 0.5V VCE 0.5mA IF , 1.5V VCE 1mA IF , 0.5V VCE 0.5mA IF , 1.5V VCE V V V 1mA IF , 0.32mA IC 1mA IF , 0.5mA IC 1mA IF , 0.8mA IC VRMS VPK Ω See note 1 See note 1 VIO = 500V (note 1) Measured with input leads shorted together and output leads shorted together. Special Selections are available on request. Please consult the factory. SWITCHING CHARACTERISTICS IC = 2mA, VCC = 5V, RL = 100Ω, TA = 25°C (Fig 1) UNITS Turn-on Time Rise Time Turn-off Time Fall Time ton tr toff tf 6.0 3.5 5.5 5.0 µs µs µs µs VCC Input ton toff RL = 100Ω tr Output tf Output 10% 10% 90% 90% FIG 1 DB92370m-AAS/A1 Collector Current vs. Low Collector-emitter Voltage (normalized to SFH618-2 & SFH618-3) Collector Power Dissipation vs. Ambient Temperature TA = 25°C 2.0 Collector current I C (mA) Collector power dissipation P C (mW) 200 150 100 50 0 1.6 IF = 1mA 1.2 0.8 IF = 0.5mA 0.4 0 -30 0 25 50 75 100 0 125 Ambient temperature TA ( °C ) 0.2 0.4 0.6 0.8 1.0 Collector-emitter voltage VCE ( V ) Relative Current Transfer Ratio vs. Ambient Temperature Forward Current vs. Ambient Temperature 60 Relative current transfer ratio Forward current I F (mA) 50 40 30 20 10 0 -30 0 25 50 75 100 1.5 1.0 0.5 0 -30 125 0.28 IF = 1mA IC = 0.5mA 0.16 0.12 0.08 0.04 50 75 100 100 80 60 40 VCE = 0.5V TA = 25 °C 20 0 0 -30 0 25 50 75 Ambient temperature TA ( °C ) 7/12/00 25 Current Transfer Ratio vs. Forward Current (normalized to SFH618-2 & SFH618-3) 120 Current transfer ratio CTR (%) Collector-emitter saturation voltage V CE(SAT) (V) Collector-emitter Saturation Voltage vs. Ambient Temperature 0.20 0 Ambient temperature TA ( °C ) Ambient temperature TA ( °C ) 0.24 IF = 1mA VCE = 0.5V 100 0.1 0.2 0.5 1 2 5 Forward current IF (mA) DB92370m-AAS/A1