SFH 303FA-4 RN18A

Introduction

The SFH 303FA-4 RN18A is a crucial component in the field of optoelectronics, specifically within the category of infrared emitters. This entry will provide an overview of 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: Infrared emitter
• Use: The SFH 303FA-4 RN18A is utilized for various applications such as proximity sensors, industrial automation, and consumer electronics.
• Characteristics: It exhibits high radiant intensity, low forward voltage, and a compact design.
• Package: The SFH 303FA-4 RN18A is typically available in a small surface-mount package.
• Essence: Its essence lies in its ability to emit infrared radiation efficiently.
• Packaging/Quantity: It is commonly packaged in reels containing a specific quantity based on industry standards.

Specifications

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

Detailed Pin Configuration

The SFH 303FA-4 RN18A features a standard pin configuration with three pins: Anode, Cathode, and Emitter.

Functional Features

• High radiant intensity enables long-range sensing applications.
• Low forward voltage minimizes power consumption.
• Compact design facilitates integration into space-constrained devices.

Advantages and Disadvantages

Advantages

• High radiant intensity for enhanced performance.
• Low forward voltage reduces power requirements.
• Compact form factor for versatile integration.

Disadvantages

• Limited viewing angle compared to some alternative models.
• Sensitive to ambient light interference in certain applications.

Working Principles

The SFH 303FA-4 RN18A operates based on the principle of converting electrical energy into infrared radiation. When a forward current is applied, the device emits infrared light, which can be utilized for proximity sensing and other optoelectronic applications.

Detailed Application Field Plans

The SFH 303FA-4 RN18A finds extensive use in various fields, including: - Proximity sensors for mobile devices and wearables - Industrial automation for object detection and sorting - Consumer electronics for gesture recognition and touchless controls

Detailed and Complete Alternative Models

• SFH 301FA-4 RN18A: Similar specifications with a wider viewing angle.
• SFH 302FA-4 RN18A: Lower radiant intensity but higher tolerance to ambient light.

In conclusion, the SFH 303FA-4 RN18A serves as a critical component in the realm of infrared emitters, offering high radiant intensity and low power consumption. Its compact design and versatile applications make it a valuable choice for various optoelectronic systems.

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