Optically Coupled Isolator
OPI120, OPI123
Electrical Specifications
Absolute Maximum RaƟngs (TA = 25o C unless otherwise noted)
Storage Temperature
‐55° C to +125° C
‐55° C to +100° C
± 15 kVDC
Operaꢀng Temperature
Input‐to‐Output Isolaꢀon Voltage(1)
Lead Soldering Temperature (1/16” (1.6 mm) from case for 5 seconds with soldering iron)(2)
260° C
Input Diode
Forward DC Current(3)
Reverse DC Voltage
Power Dissipaꢀon(4)
Output Photosensor
150 mA
3 V
200 mW
Collector‐Emiꢁer Voltage
OPI120
25 V
20 V
OPI123
Emiꢁer‐Collector Voltage
5 V
Collector‐Base Voltage
OPI120
25 V
Power Dissipaꢀon(5)
250 mW
Notes:
(1) Measured with input and output leads shorted in air with a maximum relaꢀve humidity of 50 %. UL recogniꢀon is for 15 kV dc for one minute.
(2) RMA flux is recommended. The duraꢀon can be extended to 10 seconds maximum when flow soldering.
(3) Derate linearly 2.0 mA/°C above 25° C.
(4) Derate linearly 2.67 mW/°C above 25° C.
(5) Derate linearly 3.33 mW/°C above 25° C.
OPI120
1
5
4 ‐ Base
2
3
OPI123
1
5
[MILLIMETERS]
INCHES
DIMENSIONS ARE IN:
4—Not Connected
Pin #
1
2
LED
Anode
Cathode
Pin # Transistor Pin #
Darlington
Emiꢁer
3
4
5
Emiꢁer
Base
3
4
5
2
3
Open
Collector
Collector
General Note
TT Electronics | OPTEK Technology
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TT Electronics reserves the right to make changes in product specificaꢀon without
noꢀce or liability. All informaꢀon is subject to TT Electronics’ own data and is
considered accurate at ꢀme of going to print.
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Rev F 04/2022 Page 2
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