OP755A

Series:	*
Packaging:	Bulk
Part Status:	Obsolete
Voltage - Collector Emitter Breakdown (Max):	30V
Current - Collector (Ic) (Max):	30mA
Current - Dark (Id) (Max):	100nA
Wavelength:	935nm
Viewing Angle:	--
Power - Max:	200mW
Mounting Type:	Through Hole
Orientation:	Side View
Operating Temperature:	-40°C ~ 100°C (TA)
Package / Case:	Radial

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OP755A is an optical sensor that converts changes in light intensity to an output voltage. It belongs to a special category of phototransistors. This type of sensor finds application in a wide range of fields such as industrial automation, switchgear, security systems, and medical instrumentation. This article will discuss the working principle and application field of the OP755A phototransistor. The OP755A phototransistor is a semiconductor-based device that works on the principle of photoconductivity. It consists of a photosensitive layer of semiconductor material between two electrodes. When light is incident on the photosensitive layer, the electrons in the conduction band become excited and flow into the external circuit, creating a current. This current is then used to detect light intensity.The OP755A phototransistor has two modes of operation: active mode and passive mode. In active mode, the phototransistor produces a current dependent on the light intensity. The current increases with an increase in the light intensity and decreases with a decrease in light intensity. In passive mode, the phototransistor produces a voltage dependent on the light intensity. The OP755A phototransistor is used in a variety of applications ranging from industrial automation and control systems to consumer electronics. It is mainly used as a light-level detector in industrial automation. The phototransistor detects the level of light from a range of sources, such as sunlight, artificial light, or infrared light. It is also used to detect changes in light intensity in security systems. In consumer electronics, it is used to detect light levels in digital cameras and computer monitors.The OP755A phototransistor is also used in medical instrumentation to detect and measure levels of light, such as in the treatment of skin diseases. It is also used in space exploration to detect changes in the light reflected from certain planets and stars. The phototransistor can also be used to detect the presence of people in a room.OP755A phototransistor is an excellent choice for use in a variety of applications as it offers a reliable performance, it is reliable, low-cost, and easy to use. The phototransistor is also highly resistant to shock and vibration, making it an ideal choice for use in harsh environments.In conclusion, the OP755A phototransistor is a useful and versatile device that can be used in a variety of applications. Its low cost, reliable performance, and resistance to shock and vibration make it an ideal choice for industrial automation, consumer electronics, medical instrumentation, and space exploration.

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