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BPX 38-4
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BPX 38-4: Product Overview and Detailed Analysis

Introduction

The BPX 38-4 is a crucial component in the field of electronics, specifically within the category of photodiodes. This article will provide an in-depth overview of the BPX 38-4, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Photodiode
  • Use: Light detection and sensing
  • Characteristics: High sensitivity, fast response time
  • Package: Standard diode package
  • Essence: Converts light into electrical signals
  • Packaging/Quantity: Typically available in reels or trays

Specifications

  • Wavelength Range: 400nm to 1100nm
  • Responsivity: 0.45 A/W at 900nm
  • Dark Current: 2nA
  • Reverse Voltage: 30V
  • Active Area Diameter: 3.8mm

Detailed Pin Configuration

The BPX 38-4 typically consists of three pins: 1. Anode (A) 2. Cathode (K) 3. No Connection (NC)

Functional Features

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

Advantages and Disadvantages

Advantages

  • Wide wavelength range coverage
  • High responsivity at specific wavelengths
  • Low dark current for improved signal-to-noise ratio

Disadvantages

  • Limited reverse voltage tolerance
  • Sensitivity to ambient light interference

Working Principles

The BPX 38-4 operates based on the principle of the internal photoelectric effect. When photons strike the active area of the photodiode, electron-hole pairs are generated, resulting in a measurable photocurrent. This process allows the BPX 38-4 to convert light energy into electrical signals.

Detailed Application Field Plans

The BPX 38-4 finds extensive use in various applications, including: 1. Optical communication systems 2. Light detection and ranging (LiDAR) systems 3. Industrial automation for presence detection 4. Medical devices for non-invasive sensing

Detailed and Complete Alternative Models

For those seeking alternative photodiode options, the following models can be considered: - BPW34: Similar characteristics with a smaller active area - BPW21R: Higher responsivity at specific wavelengths - BPW85C: Enhanced sensitivity in the near-infrared spectrum

In conclusion, the BPX 38-4 serves as a vital component in light detection and sensing applications, offering high sensitivity, fast response time, and a wide wavelength range. Its operational principles, along with its advantages and disadvantages, make it a key consideration for engineers and designers in various industries.

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