SFH 205 FA: Product Overview and Specifications

Introduction

SFH 205 FA is a photo interrupter sensor that belongs to the category of optoelectronic devices. This sensor is widely used in various electronic applications due to its unique characteristics and functional features.

Basic Information Overview

• Category: Optoelectronic device
• Use: Photo interrupter sensor
• Characteristics: High sensitivity, compact size, reliable performance
• Package: Through-hole package
• Essence: Infrared emitter and phototransistor
• Packaging/Quantity: Typically available in reels of 1000 units

Specifications

• Emitter Wavelength: 950 nm
• Collector-Emitter Voltage: 30 V
• Collector Current: 20 mA
• Power Dissipation: 100 mW
• Operating Temperature Range: -25°C to +85°C

Detailed Pin Configuration

The SFH 205 FA photo interrupter sensor has a standard through-hole package with two leads. The pin configuration is as follows: 1. Pin 1: Anode (Infrared emitter) 2. Pin 2: Cathode (Phototransistor)

Functional Features

• High Sensitivity: The sensor offers high sensitivity to detect interruptions in the infrared light beam.
• Compact Size: Its small form factor makes it suitable for space-constrained applications.
• Reliable Performance: The sensor provides consistent and reliable performance over its operational lifespan.

Advantages and Disadvantages

Advantages

• Reliable detection of objects passing through the sensor's beam
• Compact design for easy integration into various electronic systems
• Consistent performance across different environmental conditions

Disadvantages

• Limited range compared to some other sensors
• Susceptible to ambient light interference in certain applications

Working Principles

The SFH 205 FA operates based on the interruption of an infrared light beam between the emitter and the phototransistor. When an object obstructs the path of the light beam, the phototransistor's conductivity changes, allowing the sensor to detect the interruption.

Detailed Application Field Plans

The SFH 205 FA finds extensive use in various applications, including: - Printers: Used for paper presence detection and print head positioning - Automated Machinery: Employed for object counting and position sensing - Security Systems: Integrated into motion detection and intrusion alarm systems

Detailed and Complete Alternative Models

Some alternative models to SFH 205 FA include: - SFH 203 FA: Similar functionality with slightly different specifications - OPB608A: Offers comparable performance in a surface-mount package - TCST2103: Provides similar functionality with enhanced ambient light rejection

In conclusion, the SFH 205 FA photo interrupter sensor is a versatile optoelectronic device with a wide range of applications, offering reliable performance and high sensitivity in a compact package.

Word count: 443