SFH229

3mm silicon PIN photodiodes with optional filters for light detection

Manufacturer: osram

series introduction

# SFH229 Product Series Introduction

## Overview
The SFH229 product series represents a cutting - edge line of optoelectronic components engineered to meet the diverse and demanding requirements of modern technological applications. With a focus on high performance, reliability, and precision, these products have established themselves as a go - to choice for engineers and designers across various industries.

## Key Features

### 1. High - Sensitivity Photodiodes
At the core of the SFH229 series are its high - sensitivity photodiodes. These photodiodes are designed to detect even the faintest light signals with exceptional accuracy. The advanced semiconductor materials and manufacturing processes used in their construction ensure a low dark current, which means minimal noise interference. This high sensitivity makes them ideal for applications where detecting weak light sources is crucial, such as in optical communication systems, light - based sensors, and medical diagnostic equipment.

### 2. Fast Response Time
The SFH229 components offer an extremely fast response time. This characteristic is vital in applications where rapid signal detection and processing are required. For example, in high - speed data transmission systems, the fast response time of the photodiodes allows for the accurate and efficient conversion of optical signals into electrical signals, enabling seamless data transfer at high bit rates. In industrial automation, it enables real - time detection of moving objects or changes in light conditions, facilitating precise control and monitoring.

### 3. Wide Spectral Range
The product series covers a wide spectral range, from ultraviolet to near - infrared. This broad spectral sensitivity gives designers the flexibility to use the SFH229 components in a variety of light - based applications. Whether it's detecting UV light for environmental monitoring, visible light for display backlighting control, or infrared light for proximity sensing and night - vision applications, the SFH229 series can adapt to different light sources and wavelengths.

### 4. Excellent Temperature Stability
The SFH229 components are engineered to maintain their performance over a wide temperature range. They exhibit excellent temperature stability, which means that their sensitivity, response time, and other key parameters remain relatively constant even in harsh environmental conditions. This makes them suitable for use in outdoor applications, automotive electronics, and industrial settings where temperature fluctuations are common.

### 5. Compact Design
The SFH229 series features a compact and lightweight design. This is particularly advantageous in applications where space is limited, such as in portable devices, wearable technology, and miniaturized sensors. The small form factor allows for easy integration into existing systems without adding significant bulk or weight.

## Applications

### 1. Optical Communication
In optical communication networks, the SFH229 photodiodes play a crucial role in receiving optical signals. Their high sensitivity and fast response time enable the accurate detection of data - carrying light signals, ensuring reliable and high - speed data transmission. They are used in fiber - optic communication systems, both in long - haul and short - reach applications, as well as in data centers for high - density interconnects.

### 2. Industrial Automation
In industrial automation, the SFH229 series is used for a variety of sensing applications. For example, they can be used in proximity sensors to detect the presence or absence of objects on a production line. Their fast response time allows for real - time monitoring and control, improving the efficiency and safety of industrial processes. They are also used in light curtains for machine guarding, where they detect any interruption in the light beam, triggering a safety mechanism.

### 3. Medical Technology
In the medical field, the SFH229 components are used in diagnostic equipment such as blood glucose meters and pulse oximeters. Their high sensitivity enables the accurate detection of light absorption or reflection in biological samples, providing reliable and precise medical measurements. They are also used in endoscopy

Images for reference

SFH4301, SFH229FA

SFH4301, SFH229FA

SFH229, 309, 409, 4350 Side

SFH229, 309, 409, 4350 Side

SFH229, 309, 409, 4350 Top

SFH229, 309, 409, 4350 Top

Datasheets

Partlist

SFH229FA
SFH229FA RN18A
SFH229FARN18A
SFH229FA RN18A_Z
SFH229_Z CUT