TEMT1020 Sensors, Transducers

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Collector Emitter Breakdown (Max):	70V
Current - Collector (Ic) (Max):	50mA
Current - Dark (Id) (Max):	200nA
Wavelength:	880nm
Viewing Angle:	30°
Power - Max:	100mW
Mounting Type:	Surface Mount
Orientation:	Top View
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	2-SMD, Gull Wing

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Optical Sensors-Phototransistors

Optical sensors, also known as photo-sensitive devices, are devices that convert light from the environment into a form that can be easily processed, either an electrical signal or a mechanical action. Phototransistors are one type of optical sensor, and are widely used in a broad range of applications, from consumer electronics like digital cameras and satellite TV receivers, to industrial automation and security systems. This article will discuss the application field and working principle of the TEMT1020 phototransistor.

Overview of the TEMT1020 Phototransistor

The TEMT1020 is a lightweight, compact transistor-compatible optical sensor designed for use in energy-efficiency systems. It has a wide range of applications, and can be used in Compact Fluorescent Lighting (CFL) systems, as well as a range of other lighting applications. The device consists of a rectangular-shaped head with four legs, and has a built-in light-emitting diode (LED) and a base-collector junction phototransistor. It is made from a single chip, and has an exposed silicon chip surface area of 1.38 mm x 0.30 mm.

Application Field of the TEMT1020

The TEMT1020 is designed to be used in a range of energy-efficiency systems. It can be used in Compact Fluorescent Lighting (CFL) systems, as well as a range of other indoor and outdoor lighting applications. These systems require the use of electronic timers to control the light output, and the TEMT1020 is ideally suited to this task. The device is specifically designed to provide an easy way to control the brightness of a CFL system, as well as other lighting systems. The device can also be used in a range of other applications, such as motion detection and security systems, as well as for brightness control in television systems.

Working Principle of the TEMT1020

The TEMT1020 is designed to be used in energy-efficiency systems. It operates by sensing ambient light levels and using this information to control the lighting system. To do this, the device consists of a light-emitting diode (LED) and a base-collector junction phototransistor. The LED provides a continuous light source, while the phototransistor detects the light from the environment. The phototransistor\'s base-collector junction acts as a variable resistor. When the ambient light level increases, the current flowing through the phototransistor increases, and the resistance decreases. This causes the LED\'s current to increase, thus increasing the brightness of the lighting system. In a CFL system, this allows for the output of the light to be adjusted according to the ambient light level.

Conclusion

The TEMT1020 is a lightweight, compact transistor-compatible optical sensor designed for use in energy-efficiency systems. It has a wide range of applications, and can be used in Compact Fluorescent Lighting (CFL) systems, as well as a range of other lighting applications. The device consists of a rectangular head with four legs and has a built-in light-emitting diode (LED) and a base-collector junction phototransistor. It operates by sensing ambient light levels and using this information to control the lighting system. The TEMT1020 is an effective and efficient way to adjust light output in energy-efficiency lighting systems.

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