BPX 43-5: Product Overview and Specifications

Introduction

The BPX 43-5 is a crucial component in the field of electronics, belonging to the category of photodiodes. This article provides an in-depth overview of the BPX 43-5, including 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 measurement
• Characteristics: High sensitivity, fast response time
• Package: TO-18 metal can package
• Essence: Silicon photodiode
• Packaging/Quantity: Typically available in reels of 1000 units

Specifications

• Wavelength Range: 320nm to 1100nm
• Active Area Diameter: 7.5mm
• Dark Current: 2nA
• Responsivity (λ = 950nm): 0.55 A/W
• Rise Time: 50ns
• Capacitance: 15pF

Detailed Pin Configuration

The BPX 43-5 photodiode has a standard pin configuration with three pins: 1. Anode (A) 2. Cathode (K) 3. Case (C)

Functional Features

• High sensitivity to light in the visible and near-infrared spectrum
• Fast response time enables quick detection and measurement of light signals
• Low dark current allows for accurate measurements even in low-light conditions

Advantages and Disadvantages

Advantages

• Wide wavelength range for versatile applications
• High responsivity for efficient light detection
• Compact TO-18 package for easy integration into electronic circuits

Disadvantages

• Susceptible to damage from excessive light exposure
• Limited to specific wavelength ranges for optimal performance

Working Principles

The BPX 43-5 operates based on the principle of converting incident light into electrical current. When photons strike the silicon material within the photodiode, electron-hole pairs are generated, resulting in a measurable current flow.

Detailed Application Field Plans

The BPX 43-5 finds extensive use in various applications, including: 1. Light intensity monitoring in industrial automation systems 2. Optical communication systems for signal detection 3. Medical devices for non-invasive blood oxygen level monitoring 4. Spectrophotometry for analyzing light absorption in chemical samples

Detailed and Complete Alternative Models

For those seeking alternative photodiode models, the following options are worth considering: - BPW34: Similar characteristics with a smaller active area - BPW21R: Higher responsivity and lower capacitance for specific applications - BPW85C: Enhanced sensitivity in the infrared spectrum for specialized uses

In conclusion, the BPX 43-5 photodiode offers high sensitivity and fast response time, making it a valuable component in diverse electronic applications.

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