Vishay Semiconductor Opto Division
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BPW77NA
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BPW77NA

Product Overview

Category: Photodiode
Use: Light sensing and detection
Characteristics: High sensitivity, fast response time
Package: TO-5 metal can
Essence: Reliable light detection
Packaging/Quantity: Individual units

Specifications

  • Wavelength Range: 400nm to 1100nm
  • Dark Current: 100nA
  • Reverse Voltage: 32V
  • Responsivity: 0.45A/W at 950nm

Detailed Pin Configuration

  1. Anode (+)
  2. Cathode (-)

Functional Features

  • High sensitivity to light in the visible and near-infrared spectrum
  • Fast response time for rapid light detection

Advantages and Disadvantages

Advantages: - Wide wavelength range - Low dark current - Compact TO-5 package

Disadvantages: - Limited reverse voltage tolerance - Sensitivity to ambient light interference

Working Principles

The BPW77NA operates based on the principle of photovoltaic effect, where incident photons generate electron-hole pairs within the semiconductor material, creating a photocurrent proportional to the light intensity.

Detailed Application Field Plans

  1. Industrial automation: Light sensing for machinery control systems
  2. Environmental monitoring: Solar radiation measurement
  3. Medical devices: Pulse oximetry sensors

Detailed and Complete Alternative Models

  1. BPW34
  2. BPW21R
  3. BPW85

This content provides a comprehensive overview of the BPW77NA photodiode, covering its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

기술 솔루션에 BPW77NA 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure, here are 10 common questions and answers related to the application of BPW77NA in technical solutions:

  1. What is BPW77NA?

    • BPW77NA is a silicon PIN photodiode with high speed and high radiant sensitivity in a black, side view, plastic package.

  2. What are the typical applications of BPW77NA?

    • BPW77NA is commonly used in various technical solutions such as industrial electronics, light barriers, encoders, and ambient light sensors.

  3. What is the spectral range of BPW77NA?

    • The spectral range of BPW77NA is from 350 nm to 1100 nm, making it suitable for a wide range of light detection applications.

  4. What is the responsivity of BPW77NA?

    • The responsivity of BPW77NA is typically 0.55 A/W at 950 nm, which indicates its sensitivity to light.

  5. What is the operating temperature range of BPW77NA?

    • BPW77NA can operate within a temperature range of -40°C to +100°C, allowing for use in various environmental conditions.

  6. Is BPW77NA sensitive to ambient light?

    • Yes, BPW77NA is sensitive to ambient light, which makes it suitable for ambient light sensing applications.

  7. Can BPW77NA be used in automotive applications?

    • Yes, BPW77NA can be used in automotive applications such as rain sensors and twilight switches due to its high sensitivity and reliability.

  8. Does BPW77NA require any external filters?

    • Depending on the specific application, BPW77NA may require external filters to limit the spectral response to a certain range.

  9. What is the typical rise time of BPW77NA?

    • The typical rise time of BPW77NA is around 15 ns, enabling fast response in light detection applications.

  10. Can BPW77NA be used in conjunction with infrared LEDs?

    • Yes, BPW77NA can be used in conjunction with infrared LEDs for proximity sensing and optical encoding applications, among others.

I hope these questions and answers provide a good overview of the application of BPW77NA in technical solutions. Let me know if you need further information!