Fairchild Photodarlington Optocouplers Data Handbook
Summary
These high-performance optocouplers provide reliable signal isolation and coupling in demanding electronic applications. Engineered for robust performance across extreme temperature ranges, they are ideal for interfacing disparate potentials and impedances in low power logic circuits, telecommunications gear, portable electronics, and solid state relays. The manual offers comprehensive technical specifications, covering electrical characteristics, switching times, transfer curves, and detailed safety parameters necessary for professional engineering design and integration assurance.
Page 1 Text Content
PHOTODARLINGTON OPTOCOUPLERS
DESCRIPTION CNX48U H11B1 H11B2 H11B255 H11B3 The CNX48U, H11BX, MOC8080 and TIL113 have a
MOC8080 TIL113
gallium arsenide infrared emitter optically coupled to a silicon planar photodarlington.
FEATURES • High sensitivity to low input drive current • Meets or exceeds all JEDEC Registered Specifications • VDE 0884 approval available as a test option
SCHEMATIC
-add option .300. (e.g., H11B1.300)
ANODE
APPLICATIONS
CATHODE COLLECTOR
• Low power logic circuits • Telecommunications equipment
N/C EMITTER
• Portable electronics • Solid state relays • Interfacing coupling systems of different potentials and impedances.
Parameter Symbol Device Value Units TOTAL DEVICE
TSTG All -55 to +150 °C
Storage Temperature Operating Temperature TOPR All -55 to +100 °C Lead Solder Temperature TSOL All 260 for 10 sec °C Total Device Power Dissipation @ TA = 25°C m W
PD All
Derate above 25°C 3.3 m W/°C EMITTER
IF All m A
Continuous Forward Current Reverse Voltage VR All Forward Current - Peak (300 µs, 2% Duty Cycle) IF(pk) All 3.0 LED Power Dissipation @ TA = 25°C m W
PD All
Derate above 25°C 1.8 m W/°C DETECTOR CNX48U, TIL113
H11B1, H11B2 BVCEO H11B3
Collector-Emitter Breakdown Voltage
H11B255 MOC8080 CNX48U, H11B1 H11B2, H11B3 Collector-Base Breakdown Voltage BVCBO TIL113 H11B255 MOC8080
Emitter-Collector Breakdown Voltage BVECO All Detector Power Dissipation @ TA = 25°C m W
PD All
Derate above 25°C 2.0 m W/°C
Page Summary Contents For Fairchild Photodarlington Optocouplers Data Handbook
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 8 |
| File Size | 158.70 KB |
| Published | July 15, 2026 |
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Frequently Asked Questions
What is the maximum operating temperature range?
The device has an operating temperature range of -55 to +100°C.
What is the minimum input-output isolation voltage rating?
The specified minimum input-output isolation voltage is 5300 Vac(rms).
How must I account for increased operating temperature in power dissipation?
Power dissipation must be derated above 25°C at a rate of 3.3 mW/°C.