L14C1

Series:	*
Packaging:	--
Part Status:	Obsolete
Voltage - Collector Emitter Breakdown (Max):	50V
Current - Dark (Id) (Max):	100nA
Wavelength:	880nm
Viewing Angle:	80°
Power - Max:	300mW
Mounting Type:	Through Hole
Orientation:	Top View
Operating Temperature:	-65°C ~ 125°C (TA)
Package / Case:	TO-206AA, TO-18-3 Metal Can

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Optical Sensors - Phototransistors

The L14C1 is an emitter-coupled phototransistor device designed for applications that require high sensitivity, stability, and wide dynamic range. It is also a negative feedback device, so it can produce a stable control voltage over a wide range of light levels. The phototransistor is an NPN device composed of a photodiode, one or more base terminals, and one or more collector terminals. The photodiode is used to detect light, and the base and collector terminals are responsible for biasing the photodiode and collecting the output current.The L14C1 has two main components: the emitter, which is responsible for collecting the incident light, and the collector, which is responsible for amplifying the signal generated by the photodiode. The L14C1 is capable of producing a sensitivity of up to 10 μA/lx, which is much higher than that of other phototransistors. The wide dynamic range of this device also makes it suitable for applications that require an efficient coupling between light and electrical signals.The L14C1’s working principle is based on the principle of photoconductivity, whereby the electrical signal generated by the photodiode is converted into a proportional current or voltage. The photodiode is made of two p-type and n-type layers that are separated by an intrinsic layer. This intrinsic layer contains a depletion region, which is an area of reverse biased voltage. When the photodiode is illuminated, photons are absorbed by the depletion region, which creates electron-hole pairs. These electron-hole pairs are then transferred across the junction by diffusion, which causes a current to flow and a voltage to develop across the collector.The L14C1 is commonly used in a variety of applications, such as digital and analog light meters, automatic light control systems, and optical communication systems. It is also used in optical sensors, such as photomultipliers and photodetectors. Due to its high sensitivity, stability, and wide dynamic range, it is an ideal choice for applications that require an efficient coupling between light and electricity.

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