SFH618A-2X, SFH618A-3X, SFH618A-4X, SFH618-2, SFH618-3, SFH618-4 LOW INPUT CURRENT PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS APPROVALS z UL recognised, File No. E91231 Dimensions in mm 2.54 Package Code EE 7.0 1 4 X SPECIFICATION APPROVALS 6.0 2 3 z VDE 0884 in 3 available lead form :- - STD 1.2 - G form - SMD approved to CECC 00802 5.08 7.62 4.08 z Certified to EN60950 by :- 4.0 3.0 Nemko - Certificate No. P01102465 13 0.5 Max 3.0 0.26 DESCRIPTION 3.35 0.5 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 z Options :- 10mm lead spread - add G after part no. Surface mount - add SM after part no. OPTION SM OPTION G Tape&reel - add SMT&R after part no. SURFACE MOUNT 7.62 z Low input current 0.5mA I F z High Current Transfer Ratios (63-320% at 1mA, 32% min at 0.5mA) z High Isolation Voltage (5.3kV ,7.5kV ) 0.6 RMS PK 1.25 0.26 0.1 z High BV (55V min) CEO 0.75 z All electrical parameters 100% tested 10.46 10.16 9.86 z Custom electrical selections available APPLICATIONS z Computer terminals z Industrial systems controllers z Measuring instruments z Signal transmission between systems of different potentials and impedances 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 6/8/08 DB92370ABSOLUTE MAXIMUM RATINGS (25C unless otherwise specified) Storage Temperature -55C to + 125C Operating Temperature -30C to + 100C Lead Soldering Temperature (1/16 inch (1.6mm) from case for 10 secs) 260C INPUT DIODE Forward Current 50mA Reverse Voltage 6V Power Dissipation 70mW OUTPUT TRANSISTOR Collector-emitter Voltage BV 55V CEO Emitter-collector Voltage BV 6V ECO Collector Current 50mA Power Dissipation 150mW POWER DISSIPATION Total Power Dissipation 200mW (derate linearly 2.67mW/C above 25C) ELECTRICAL CHARACTERISTICS ( T = 25C Unless otherwise noted ) A PARAMETER MIN TYP MAX UNITS TEST CONDITION Input Forward Voltage (V ) 1.5 V I = 5mA F F Reverse Current (I)10 AV = 6V R R Output Collector-emitter Breakdown (BV)55 V I = 1mA CEO C ( Note 2 ) Emitter-collector Breakdown (BV ) 6 V I = 100A ECO E Collector-emitter Dark Current (I ) 200 nA V = 10V CEO CE Coupled Current Transfer Ratio (CTR) (Note 2) SFH618-2 63 125 % 1mA I , 0.5V V F CE SFH618-2 32 % 0.5mA I , 1.5V V F CE SFH618-3 100 200 % 1mA I , 0.5V V F CE SFH618-3 50 % 0.5mA I , 1.5V V F CE SFH618-4 160 320 % 1mA I , 0.5V V F CE SFH618-4 80 % 0.5mA I , 1.5V V F CE Collector-emitter Saturation Voltage V CESAT SFH618-2 0.4 V 1mA I , 0.32mA I F C SFH618-3 0.4 V 1mA I , 0.5mA I F C SFH618-4 0.4 V 1mA I , 0.8mA I F C Input to Output Isolation Voltage V 5300 V See note 1 ISO RMS 7500 V See note 1 PK 10 Input-output Isolation Resistance R 5x10 V = 500V (note 1) ISO IO Output Rise Time, tr 4 18 SV = 2V, I = 2mA CE C Output Fall Time, tf 3 18 SR = 100 L Note 1 Measured with input leads shorted together and output leads shorted together. Note 2 Special Selections are available on request. Please consult the factory. DB92370m-AAS/A4 6/8/08