SFH 229: Product Overview and Specifications

Introduction

SFH 229 is a versatile optoelectronic component that belongs to the category of infrared emitters. This product is widely used in various applications due to its unique characteristics, packaging, and functional features.

Basic Information Overview

• Category: Infrared emitter
• Use: SFH 229 is used for proximity sensing, object detection, and data transmission in various electronic devices.
• Characteristics: It emits infrared light with high efficiency and precision, enabling accurate detection and communication.
• Package: The SFH 229 comes in a compact and durable package, ensuring easy integration into electronic circuits.
• Essence: Its essence lies in providing reliable and efficient infrared emission for diverse applications.
• Packaging/Quantity: Available in standard packaging with varying quantities to suit different production needs.

Specifications

• Wavelength: 850 nm
• Forward Current: 100 mA
• Radiant Intensity: 20 mW/sr
• Viewing Angle: 60 degrees
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -40°C to +100°C

Detailed Pin Configuration

The SFH 229 has a standard pin configuration with clear markings for easy integration into circuit boards. It typically consists of three pins: anode, cathode, and signal output.

Functional Features

• High Radiant Intensity: SFH 229 offers a high radiant intensity, ensuring strong and reliable infrared emission.
• Wide Viewing Angle: With a viewing angle of 60 degrees, it provides broad coverage for proximity sensing and object detection applications.
• Low Power Consumption: It operates efficiently at low forward currents, making it suitable for battery-powered devices.
• Fast Response Time: The SFH 229 exhibits a fast response time, enabling quick and accurate data transmission.

Advantages and Disadvantages

Advantages

• Reliable and precise infrared emission
• Wide operating temperature range
• Compact and durable packaging
• Low power consumption

Disadvantages

• Limited to a specific wavelength (850 nm)
• Sensitive to reverse voltage

Working Principles

SFH 229 operates based on the principle of semiconductor electroluminescence. When a forward current is applied to the device, it emits infrared light due to the recombination of charge carriers within the semiconductor material.

Detailed Application Field Plans

SFH 229 finds extensive application in various fields, including: 1. Proximity Sensing: Used in automatic faucets, hand dryers, and sanitary equipment for touchless operation. 2. Object Detection: Integrated into robotics, security systems, and industrial automation for detecting objects in the surroundings. 3. Data Transmission: Employed in optical communication systems and remote control devices for transmitting data using infrared signals.

Detailed and Complete Alternative Models

Several alternative models to SFH 229 include: - SFH 203 - SFH 301 - SFH 405

These alternatives offer similar functionality and specifications, providing flexibility in choosing the right component for specific applications.

In conclusion, SFH 229 is a reliable and efficient infrared emitter with diverse applications across various industries. Its high radiant intensity, wide viewing angle, and low power consumption make it a preferred choice for proximity sensing, object detection, and data transmission requirements.

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