PT11-21C/L41/TR8 Sensors, Transducers

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Collector Emitter Breakdown (Max):	30V
Current - Collector (Ic) (Max):	20mA
Current - Dark (Id) (Max):	100nA
Wavelength:	940nm
Viewing Angle:	--
Power - Max:	75mW
Mounting Type:	Surface Mount
Orientation:	Top View
Operating Temperature:	-25°C ~ 85°C (TA)
Package / Case:	1206 (3016 Metric)

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Phototransistors are active optical sensors used to detect light. They are usually semiconductors that convert light into electrical signals. Phototransistors are commonly used in applications that require high levels of accuracy and sensitivity to light levels.The PT11-21C/L41/TR8 is an example of a phototransistor that is used in various applications. This phototransistor consists of a gallium arsenide phosphide infrared light-emitting diode (LED) and a base integrated phototransistor. This device is sensitive to a wide range of infrared wavelengths and is designed for maximum light sensitivity and long life.The PT11-21C/L41/TR8 is most commonly used in applications that require accurate measurements of light intensity, such as light detectors, laser beam detectors, and laser rangefinders. It is also used in LED-based light level gauge systems, bar code scanners, POS systems, and door access systems.The phototransistor is used to convert a light signal into a voltage or current signal, which is then amplified to a usable level. The optical signal is converted to an electric current in the device, and then the current is amplified and converted to a voltage. This voltage is then used to switch devices or measure light levels.The phototransistor is composed of an LED and a base integrated phototransistor. The LED emits a wavelength of infrared light that is focused onto the phototransistor. When the light hits the phototransistor, its electrons become excited and give off an electrical signal. This signal is then amplified and used for various purposes.The PT11-21C/L41/TR8 has a wide operating temperature range from -40°C to 80°C. It also has a wide range of current and voltage outputs and is compatible with 5V and 3.3V power supplies. Its operating life is designed for up to 300,000 hours.The PT11-21C/L41/TR8 is a reliable and economical selection for applications that require accurate measurements of light levels. It can be used in a variety of light-sensing applications and is reliable and durable.

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