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 (3.75kVRMS ,5.3kVPK )
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

ABSOLUTE MAXIMUM RATINGS
(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 Voltage BVCEO 35V
Emitter-collector Voltage BVECO 6V
Collector Current 50mA
Power Dissipation 150mW
POWER DISSIPATION
Total Power Dissipation 170mW
(derate linearly 2.26mW/°C above 25°C)
​

​