4N33S1(TB)-V

Output Type:	Darlington with Base
Supplier Device Package:	6-SMD
Package / Case:	6-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 100°C
Vce Saturation (Max):	1V
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - Output / Channel:	--
Voltage - Output (Max):	55V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	--
Turn On / Turn Off Time (Typ):	5µs, 100µs (Max)
Current Transfer Ratio (Max):	--
Current Transfer Ratio (Min):	500% @ 10mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Optoisolators – Transistor, Photovoltaic Outputs provide an isolated voltage and current barrier between the input and output circuits to protect against dangerously high voltage levels. This technology isolates two different circuits, allowing them to share a common ground while ensuring the direct voltage and current transfer between them is kept safely contained. A 4N33S1(TB)-V optoisolator is a photovoltaic output transistor designed for operation under severe climatic conditions. It has been developed for applications in automotive, lighting, industry and home automation sectors.

Application Field

The 4N33S1(TB)-V optoisolator is suitable for various applications in automotive, industry and home automation sectors. In automotive applications, it is used for providing output signals from electronic controllers to drive actuators, such as LED indicators for displaying the status of an engine, ABS, airbag, climate control, etc. In industry, it is used for various applications related to alarm and safety systems. In home automation, it is used for various lighting applications.

Working Principle

The 4N33S1(TB)-V optoisolator consists of a LED in series with a photovoltaic transistor in a 4-pin surface mountable package. The LED converts the input electrical signal into an optical output signal which is coupled to a photovoltaic transistor. The photovoltaic transistor then amplifies the optical signal and provides the output voltage. The LED is rated for a current of 20 mA, an operating voltage of 2.5V and a life expectancy of 30,000 hours. The photovoltaic transistor is rated for a maximum collector-emitter voltage of 40V, a maximum collector current of 800 mA and a collector-emitter saturation voltage of 0.2V.

Conclusion

The 4N33S1(TB)-V optoisolator is a photovoltaic output transistor designed for operating in extreme temperature and humidity conditions. It is suitable for various applications in automotive, industry and home automation sectors. The optoisolator consists of a LED and a photovoltaic transistor, the LED converting the electrical signal to an optical signal and the photovoltaic transistor amplifying this signal to produce the output voltage.

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