Datasheet

ISOCOM COMPONENTS 2004 LTD

Unit 25B, Park View Road West,

Park View Industrial Estate, Brenda Road

Hartlepool, Cleveland, TS25 1UD

Tel: (01429) 863609 Fax :(01429) 863581

HIGH DENSITY MOUNTING

PHOTOTRANSISTOR

OPTICALLY COUPLED ISOLATORS

DESCRIPTION

The IS121 is an optically coupled isolator

consisting of an infrared light emitting diode and

NPN silicon photo transistor in a space efficient

dual in line plastic package.

FEATURES

z Marked as FPT1.

z Current Transfer Ratio MIN. 50%

z Isolation Voltage (3.75kV

RMS

,5.3kV

)

z All electrical parameters 100% tested

z Drop in replacement for Toshiba TLP121

APPLICATIONS

z Computer terminals

z Industrial systems controllers

z Measuring instruments

z Signal transmission between systems of

different potentials and impedances

6/10/10

Dimensions in mm

IS121

DB92843l

3.85+/-0.3

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IS121 HIGH DENSITY MOUNTING PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS Dimensions in mm DESCRIPTION The IS121 is an optically coupled isolator consisting of an infrared light emitting diode and NPN silicon photo transistor in a space efficient dual in line plastic package. FEATURES z Marked as FPT1. z Current Transfer Ratio MIN. 50% Isolation Voltage (3.75kVRMS ,5.
PAGE 2
ABSOLUTEMAXIMUMRATINGS (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 INPUTDIODE Forward Current Reverse Voltage Power Dissipation 50mA 6V 70mW OUTPUT TRANSISTOR Collector-emitter Voltage BVCEO Emitter-collector Voltage BVECO Collector Current Power Dissipation 80V 6V 50mA 150mW POWER DISSIPATION Total Power Dissipation 170mW (derate linearly 2.