IS126 ISOCOM | Alldatasheet
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Unit 25B, Park View Road West, Park View Industrial Estate, Brenda Road Hartlepool, Cleveland, TS25 1UD Tel: (01429) 863609 Fax :(01429) 863581 DB92855 HIGH DENSITY MOUNTING AC INPUT, PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS
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 V oltage (3.75kVRMS ,5.3kVPK ) z All electrical parameters 100% tested z Drop in replacement for Toshiba TLP126
APPLICATIONS
z Industrial systems controllers z Measuring instruments z Signal transmission between systems of different potentials and impedances 27/11/08 Dimensions in mm IS126 3.85 +-0.3
(25°C unless otherwise specified) Storage Temperature -55°C to + 150°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 ±50mA Power Dissipation 70mW OUTPUT TRANSISTOR Collector-emitter V oltage BVCEO 35V Emitter-collector V oltage BVECO 6V Collector Current 50mA Power Dissipation 150mW POWER DISSIPATION Total Power Dissipation 170mW (derate linearly 2.26mW/°C above 25°C) PARAMETER MIN TYP MAX UNITS TEST CONDITION Input Forward V oltage (VF) 1.2 1.4 V I F = ±20mA Output Collector-emitter Breakdown (BVCEO)3 5 V I C = 0.1mA Emitter-collector Breakdown (BVECO) 6 V I E = 10μA Collector-emitter Dark Current (ICEO) 100 n A V CE = 20V Coupled Current Transfer Ratio (CTR) 20 400 % ±1mA IF , 5V VCE Collector-emitter Saturation V oltageVCE (SAT) 0.2 V ±20mA I F , 1mA IC Input to Output Isolation V oltage VISO 3750 V RMS See note 1
5300 V PK See note 1
Input-output Isolation Resistance R ISO 5x1010 Ω VIO = 500V (note 1) Output Rise Time tr 4 18 μsV CE = 2V , Output Fall Time tf 3 18 μsI C = 2mA, RL = 100Ω ELECTRICAL CHARACTERISTICS ( TA = 25°C Unless otherwise noted ) Note 1 Measured with input leads shorted together and output leads shorted together. DB9285527/11/08