BPX 87

Introduction

BPX 87 is a crucial component in the field of electronics, specifically in the category of photodiodes. This article provides an overview of BPX 87, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Photodiode
• Use: Light detection and sensing
• Characteristics: High sensitivity, fast response time
• Package: TO-18
• Essence: Silicon photodiode
• Packaging/Quantity: Typically available in packs of 10 or 100 units

Specifications

• Wavelength Range: 320nm to 1100nm
• Responsivity: 0.45 A/W at 900nm
• Dark Current: 2nA
• Capacitance: 15pF
• Rise Time: 4ns
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

BPX 87 typically consists of 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 signal processing
• Low dark current minimizes noise in low-light conditions

Advantages and Disadvantages

Advantages

• Wide wavelength range for versatile applications
• Low dark current enhances signal-to-noise ratio
• Compact TO-18 package for easy integration into various electronic devices

Disadvantages

• Limited sensitivity beyond 1100nm
• Susceptible to damage from excessive light exposure

Working Principles

BPX 87 operates based on the principle of the internal photoelectric effect. When photons strike the silicon material within the photodiode, electron-hole pairs are generated, creating a photocurrent proportional to the incident light intensity.

Detailed Application Field Plans

BPX 87 finds extensive use in various applications, including: - Ambient light sensing in consumer electronics - Optical communication systems - Industrial automation for presence detection - Medical instruments for non-invasive monitoring

Detailed and Complete Alternative Models

Several alternative models to BPX 87 include: - BPW34: Similar characteristics with a smaller package size - PIN-10D: Higher responsivity and lower capacitance for specific applications - SFH 203: Enhanced sensitivity in the near-infrared spectrum

In conclusion, BPX 87 serves as a vital component in light detection and sensing applications, offering high sensitivity, fast response time, and a wide wavelength range. Its compact package and functional features make it suitable for diverse electronic devices and systems.

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