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SFH 314-3
Product Overview
SFH 314-3 is a photo interrupter sensor belonging to the category of optoelectronic devices. It is commonly used for detecting the presence or absence of an object, and it is characterized by its compact size, high sensitivity, and reliable performance. The sensor is typically packaged in a plastic housing and consists of an infrared emitter and phototransistor pair. It is available in various packaging options and quantities to suit different application requirements.
Specifications
- Operating Wavelength: 950 nm
- Collector-Emitter Voltage: 70 V
- Emitter-Collector Voltage: 5 V
- Collector Current: 20 mA
- Power Dissipation: 100 mW
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The SFH 314-3 sensor has three pins: 1. Anode (A) 2. Cathode (K) 3. Collector (C)
Functional Features
- High sensitivity to infrared light
- Fast response time
- Compact and versatile design
- Low power consumption
Advantages and Disadvantages
Advantages
- Reliable object detection
- Wide operating temperature range
- Low cost
- Easy to integrate into various applications
Disadvantages
- Susceptible to ambient light interference
- Limited range of detection
Working Principles
SFH 314-3 operates based on the interruption of the infrared light beam between the emitter and the phototransistor. When an object obstructs the light path, the phototransistor's conductivity changes, allowing the sensor to detect the presence of the object.
Detailed Application Field Plans
SFH 314-3 is widely used in various applications, including: - Object detection in industrial automation - Position sensing in robotics - Paper detection in printers - Slot sensors in vending machines - Encoder systems in automotive applications
Detailed and Complete Alternative Models
Some alternative models to SFH 314-3 include: - TCST2103 - EE-SX670 - H21A1
In conclusion, SFH 314-3 is a versatile photo interrupter sensor with a wide range of applications due to its compact design, high sensitivity, and reliable performance. While it has some limitations, its advantages make it a popular choice for object detection and position sensing in various industries.
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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SFH 314-3 dalam solusi teknis
What is SFH 314-3?
- SFH 314-3 is a high-speed infrared emitter designed for applications requiring high radiant intensity.
What is the typical operating voltage of SFH 314-3?
- The typical operating voltage of SFH 314-3 is 1.35 V.
What is the peak wavelength of SFH 314-3?
- The peak wavelength of SFH 314-3 is typically 950 nm.
What is the maximum radiant intensity of SFH 314-3?
- The maximum radiant intensity of SFH 314-3 is typically 180 mW/sr.
What are some common technical solutions that utilize SFH 314-3?
- SFH 314-3 is commonly used in proximity sensors, industrial automation, and gesture recognition systems.
What is the recommended forward current for SFH 314-3?
- The recommended forward current for SFH 314-3 is typically 100 mA.
Does SFH 314-3 require any heat sinking or thermal management?
- Yes, SFH 314-3 may require heat sinking or thermal management to ensure optimal performance and reliability.
Can SFH 314-3 be used in automotive applications?
- Yes, SFH 314-3 can be used in automotive applications such as driver monitoring systems and ambient light sensors.
What are the typical packaging options available for SFH 314-3?
- SFH 314-3 is available in standard SMD package options such as PLCC-2 and PLCC-4.
Are there any specific precautions to consider when integrating SFH 314-3 into a technical solution?
- It is important to carefully follow the manufacturer's datasheet and application notes to ensure proper handling, mounting, and electrical considerations for SFH 314-3.