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Parts by Number Top

Part # Distributor Manufacturer Product Category Description
PHOTOTRANSISTOR National Microchip 3MM Not Provided CLEARPLSTIC
PHOTOTRANSISTOR113-0728-21 National Microchip Not Provided Not Provided Not Provided
PHOTO TRANSISTOR QSD ASAP Semiconductor QT Not Provided Not Provided
PHOTO TRANSISTOR FIL ASAP Semiconductor VISHAY Not Provided 2000
PHOTO TRANSISTOR PT ASAP Semiconductor KODAK Not Provided Not Provided
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Conduct Research Top

  • Modeling Phototransistor Optocouplers Using PSPICE Simulation Software
    While designed for measurement parameters like Voltage and Current, PSPICE programs are not comfortable with evaluating or simulating components in photometric units. This application note provides guidelines for using PSPICE to model phototransistor optocouplers.
  • Technical Reference: How Does a Photodiode and Phototransistor Work?
    When light strikes a semiconductor it supplies energy to knock electrons free of their atomic orbits, creating holes and electrons....
  • Optical Liquid Level Sensor Application Note (.pdf)
    This article gives a brief outline to the operating principle behind optical liquid level sensing. An optical liquid level sensor uses an infra-red LED and phototransistor accurately positioned at the base of the sensors tip. When the tip is in air, infra-red light reflects internally round the tip
  • Medical Device Link .
    Two types of optocouplers are available for use in implantable applications. The photovoltaic and phototransistor optocouplers provide gate drive voltage and effective isolation in small surface-mount packages. The 52464 photovoltaic optocoupler consists of an LED and photovoltaic detector
  • How Does an Optical Encoder Work?
    optical encoder uses opaque and transparent segments arranged in a gray-code pattern. The stator has corresponding pairs of LEDs and phototransistors arranged so that the LED light shines through the transparent sections of the rotor disc and received by phototransistors on the other side. After
  • Rotary encoders for motors
    accurately than old-style tachometer-generators. The simplest encoder is the incremental style. Typically, it uses a slotted wheel placed between an LED light source and a phototransistor. As the wheel rotates, it alternately passes then blocks light shining on the phototransistor. The phototransistor
  • Making Light Barriers Insensitive to Sunlight
    resistor (LDR), a photodiode or a phototransistor. Such an array may just about function in "lab conditions"; it is, however, miles away from being suitable for practical use. This is primarily due to the lack of consideration paid to external interference factors. The majority of these are other
  • Implementing a Simple Serial Mouse Controller
    interfaces to the host via a dedicated interface card or an RS-232 port. Their mechanisms are very similar. The major electrical components of a mouse are: ? Microcontroller ? Photo-transistors ? Infrared emitting diode ? Voltage conversion circuit The intelligence of the mouse is provided

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