IS126 HIGH DENSITY MOUNTING AC INPUT, PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS Dimensions in mm DESCRIPTION The IS126 is an optically coupled isolator consisting of two infrared light emitting diodes connected in inverse parallel and NPN silicon photo transistor in a space efficient dual in line plastic package. FEATURES z Marked as FPA1. z Current Transfer Ratio MIN. 20% z Isolation Voltage (3.75kV ,5.3kV ) RMS PK 3.85 +-0.3 z All electrical parameters 100% tested z Drop in replacement for Toshiba TLP126 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 1UD Tel: (01429) 863609 Fax :(01429) 863581 DB92855 27/11/08ABSOLUTE MAXIMUM RATINGS (25C unless otherwise specified) Storage Temperature -55C to + 150C Operating Temperature -55C to + 100C Lead Soldering Temperature (1/16 inch (1.6mm) from case for 10 secs) 260C INPUT DIODE Forward Current 50mA Power Dissipation 70mW OUTPUT TRANSISTOR Collector-emitter Voltage BV 35V CEO Emitter-collector Voltage BV 6V ECO Collector Current 50mA Power Dissipation 150mW POWER DISSIPATION Total Power Dissipation 170mW (derate linearly 2.26mW/C above 25C) ELECTRICAL CHARACTERISTICS ( T = 25C Unless otherwise noted ) A PARAMETER MIN TYP MAX UNITS TEST CONDITION Input Forward Voltage (V ) 1.2 1.4 V I = 20mA F F Output Collector-emitter Breakdown (BV)35 V I = 0.1mA CEO C Emitter-collector Breakdown (BV ) 6 V I = 10A ECO E Collector-emitter Dark Current (I ) 100 nA V = 20V CEO CE Coupled Current Transfer Ratio (CTR) 20 400 % 1mA I , 5V V F CE Collector-emitter Saturation VoltageV 0.2 V 20mA I , 1mA I CE(SAT) F C Input to Output Isolation Voltage V 3750 V See note 1 ISO RMS 5300 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 , CE Output Fall Time tf 3 18 sI = 2mA, R = 100 C L Note 1 Measured with input leads shorted together and output leads shorted together. 27/11/08 DB92855