Hello, Welcome to Dasenic

Everlight Electronics Co Ltd PT26-21B/TR8 Environmental and export classification status description

The PT26-21B/TR8 is a photo transistor that can be used for various light sensing applications. It is designed in a surface-mount package, making it easy to integrate into circuit board designs. Functions: The primary function of the PT26-21B/TR8 is to detect light and convert it into an electrical signal. When light is incident on the photo transistor, it generates a current proportional to the light intensity. Applications: - Light sensing in automated lighting systems - Optical encoders and position sensors - Light intensity monitoring in displays and consumer electronics - Industrial automation for detecting presence or absence of objects Alternative Components: Some alternative components to the Everlight PT26-21B/TR8 are Vishay Semiconductor's TSOPU series, Broadcom's PLC series, and Osram Opto Semiconductors' SFH 5701. Embedded Modules: The Everlight PT26-21B/TR8 can be integrated into various modules for light sensing applications, such as light sensor modules for Arduino or Raspberry Pi projects, light intensity monitoring modules for industrial automation, and optical encoder modules for position sensing applications. Related Q&A: 1. Q: Can the Everlight PT26-21B/TR8 be used in proximity sensing applications? A: The PT26-21B/TR8 is primarily designed for light sensing applications and may not be suitable for proximity sensing due to its photo transistor nature. 2. Q: What is the typical response time of the PT26-21B/TR8? A: The response time of the PT26-21B/TR8 can vary based on the application and circuit used but typically ranges from microseconds to milliseconds. 3. Q: How sensitive is the PT26-21B/TR8 to different light wavelengths? A: The sensitivity of the PT26-21B/TR8 to different light wavelengths can vary, and it is recommended to refer to the datasheet for specific wavelength sensitivity information. 4. Q: Can the Everlight PT26-21B/TR8 be powered directly from a microcontroller? A: The PT26-21B/TR8 typically requires an external power supply for biasing the photo transistor, and it is important to follow the recommended operating conditions in the datasheet. 5. Q: Are there any precautions to consider when using the PT26-21B/TR8 in bright light environments? A: It is recommended to shield the PT26-21B/TR8 from direct exposure to bright light sources to prevent saturation and ensure accurate light sensing operations.