Vishay Semiconductor Opto Division
Maaaring representasyon ang larawan.
Tingnan ang mga detalye para sa mga detalye ng produkto.
BPW76A
Tingnan ang Detalye DataSheets

BPW76A: Product Overview and Specifications

Introduction

The BPW76A is a phototransistor belonging to the category of optoelectronic components. It is commonly used in various electronic devices and systems for light sensing applications due to its unique characteristics and performance.

Basic Information Overview

  • Category: Optoelectronic component
  • Use: Light sensing applications
  • Characteristics: High sensitivity, fast response time
  • Package: TO-18 metal can package
  • Essence: Phototransistor
  • Packaging/Quantity: Typically available in reels of 1000 units

Specifications

  • Maximum Collector-Emitter Voltage: 32V
  • Collector Current: 50mA
  • Power Dissipation: 150mW
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BPW76A phototransistor has a standard TO-18 metal can package with three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

  • High sensitivity to visible and near-infrared light
  • Fast response time for rapid light detection
  • Low dark current for accurate light sensing in low-light conditions

Advantages and Disadvantages

Advantages

  • High sensitivity enables precise light detection
  • Fast response time allows for quick system feedback
  • Low dark current enhances performance in low-light environments

Disadvantages

  • Susceptible to ambient light interference
  • Limited spectral range compared to other light sensors

Working Principles

The BPW76A operates based on the principle of light-induced conductivity modulation. When exposed to light, the phototransistor's base-collector junction undergoes changes in conductivity, leading to a corresponding change in collector current. This mechanism enables the conversion of light energy into electrical signals.

Detailed Application Field Plans

The BPW76A finds extensive use in various applications, including: - Ambient light sensing in automotive and consumer electronics - Optical encoders for position and speed sensing - Industrial automation for light-based control systems - Medical devices for non-invasive light sensing

Detailed and Complete Alternative Models

For users seeking alternative phototransistors with similar functionality, the following models can be considered: 1. BPW85C: Offers extended spectral range for broader light detection 2. BPW34: Provides high linearity and low dark current for precision light sensing 3. BPW21R: Designed for high-speed light detection in industrial applications

In conclusion, the BPW76A phototransistor serves as a reliable and efficient component for light sensing applications, offering high sensitivity and fast response time. Its application spans across diverse industries, making it a versatile choice for designers and engineers.

Word count: 411

Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng BPW76A sa mga teknikal na solusyon

  1. What is the BPW76A photodiode used for?

    • The BPW76A photodiode is commonly used for light detection and sensing applications.

  2. What is the spectral response range of the BPW76A?

    • The BPW76A has a spectral response range of approximately 400nm to 1100nm, making it suitable for a wide range of light detection tasks.

  3. What are the typical operating conditions for the BPW76A?

    • The BPW76A operates well under normal ambient conditions with a temperature range of -40°C to +100°C.

  4. How sensitive is the BPW76A to light?

    • The BPW76A has a high sensitivity to light, with a responsivity of typically 0.62 A/W at 950nm.

  5. Can the BPW76A be used in low-light conditions?

    • Yes, the BPW76A can detect and respond to low levels of light, making it suitable for low-light applications.

  6. What are the recommended circuit configurations for using the BPW76A?

    • The BPW76A can be used in reverse bias mode with a suitable load resistor or in transimpedance amplifier configurations for optimal performance.

  7. Is the BPW76A suitable for use in automotive applications?

    • Yes, the BPW76A is often used in automotive light sensing applications due to its reliability and performance under varying environmental conditions.

  8. What are the key advantages of using the BPW76A over other photodiodes?

    • The BPW76A offers high sensitivity, a wide spectral response range, and excellent linearity, making it a versatile choice for many light detection applications.

  9. Can the BPW76A be used in conjunction with infrared (IR) light sources?

    • Yes, the BPW76A can detect IR light within its spectral response range, making it compatible with IR light sources.

  10. Are there any specific precautions to consider when handling the BPW76A?

    • It's important to avoid exposing the BPW76A to direct sunlight or intense light sources during handling and testing to prevent potential damage to the device.