Series:	*
Packaging:	Bulk
Part Status:	Active
Voltage - Collector Emitter Breakdown (Max):	30V
Current - Collector (Ic) (Max):	50mA
Current - Dark (Id) (Max):	100nA
Wavelength:	890nm
Viewing Angle:	--
Power - Max:	250mW
Mounting Type:	Through Hole
Orientation:	Top View
Operating Temperature:	-40°C ~ 100°C (TA)
Package / Case:	TO-18-2

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OP593C Application Field and Working Principle

Optical sensors are devices that detect light levels to measure the intensity of the optical signal. Phototransistors are one of the most common types of optical sensors used in various applications. The OP593C is a phototransistor device manufactured by Optek, an international supplier of phototransistor devices and other optoelectronic components.

OP593C Specifications

The OP593C is a silicon phototransistor device made using monolithic integrated circuit technology. It is a 3 pin, PNP type device enclosed in a 3 mm package with a built-in lens. The OP593C is designed to detect light levels between 3mW/square cm and 1.4uW/square cm, and has a photo detectivity of 1.8mW/square cm. The peak detection wavelength of the device is 940nm.

Applications of the OP593C

The OP593C has a wide range of applications and is commonly used in motion detectors, receivers, and medical sensors. It is used in motion detectors owing to its high sensitivity and good response time. The device can detect even the smallest motions and is designed to ignore any false triggers. In receivers, the OP593C is used to detect light transmitted from a receiver and convert it into electrical signals. The electrical signals are further processed by a receiver for applications such as infrared communications or optical tracking. The OP593C is also widely used in medical sensors because of its high sensitivity and excellent signal-to-noise ratio. It is used in various medical devices such as glucose meters and pulse oximeters.

Working Principle of the OP593C

The OP593C consists of a P-N junction photodiode, a bipolar transistor, and a pin for emitter connection. The device allows the passage of current only when the light falls on the photodiode and the junction is biased by an external voltage. When the light triggers the photodiode, electrons are generated in the junction, which creates a potential difference across the transistor base-emitter junction. As a result, a current flow is initiated from the emitter to the collector, thus increasing the output current of the device.The device has an excellent signal-to-noise ratio, ensuring accurate detection of motion and other optical signals. The rate of the current flow through the device can also be controlled by varying the external voltage, allowing the OP593C to be used in applications such as fast motion detection.

Conclusion

The OP593C optical phototransistor is a highly sensitive device manufactured by Optek. It has a wide range of applications in motion detectors, receivers, and medical sensors, and is capable of detecting light levels between3mW/square cm and 1.4uW/square cm. The device contains a P-N junction photodiode, a bipolar transistor, and a pin for emitter connection. The current flow can be controlled by varying the external voltage, allowing the OP593C to be used for fast motion detection.

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