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PMMT491A,215
Product Overview
- Category: Optoelectronics
- Use: Phototransistor
- Characteristics: High sensitivity, fast response time
- Package: SMD
- Essence: Infrared phototransistor
- Packaging/Quantity: Reel
Specifications
- Wavelength: 850nm
- Collector-Emitter Voltage: 30V
- Emitter-Collector Voltage: 5V
- Collector Current: 20mA
- Power Dissipation: 100mW
- Operating Temperature: -40°C to +85°C
Detailed Pin Configuration
- Pin 1: Collector
- Pin 2: Emitter
- Pin 3: Base
Functional Features
- High sensitivity to infrared light
- Fast response time for rapid detection
- SMD package for easy integration into compact designs
Advantages and Disadvantages
Advantages:
- High sensitivity enables accurate detection of infrared signals
- Fast response time allows for quick signal processing
- SMD package facilitates space-saving integration
Disadvantages:
- Limited operating temperature range
- Vulnerable to damage from excessive current or voltage
Working Principles
PMMT491A,215 operates based on the principle of converting incident infrared light into electrical signals. When exposed to infrared radiation, the phototransistor conducts current, allowing it to be used in various applications such as proximity sensors, optical encoders, and ambient light sensing.
Detailed Application Field Plans
- Proximity Sensors: Utilize the high sensitivity of PMMT491A,215 to detect nearby objects without physical contact.
- Optical Encoders: Employ the fast response time to accurately measure rotational or linear motion.
- Ambient Light Sensing: Detect ambient light levels for automatic brightness adjustment in displays or lighting systems.
Detailed and Complete Alternative Models
- PMMT3904,215: General-purpose NPN phototransistor with similar characteristics
- PMMT4401,215: High-speed switching phototransistor suitable for fast data transmission applications
This comprehensive entry provides a detailed understanding of PMMT491A,215, its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, making it a valuable resource for professionals in the optoelectronics industry.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng PMMT491A,215 trong giải pháp kỹ thuật
What is PMMT491A,215?
- PMMT491A,215 is a high-performance adhesive tape commonly used in technical solutions for bonding and mounting applications.
What are the key features of PMMT491A,215?
- PMMT491A,215 offers excellent adhesion to a variety of substrates, high temperature resistance, and good conformability for challenging surfaces.
In what technical solutions can PMMT491A,215 be used?
- PMMT491A,215 is commonly used in automotive assembly, electronics manufacturing, and aerospace applications for bonding and mounting components.
How does PMMT491A,215 perform in high-temperature environments?
- PMMT491A,215 is designed to withstand high temperatures, making it suitable for applications where heat resistance is crucial.
Is PMMT491A,215 suitable for outdoor use?
- Yes, PMMT491A,215 is designed to provide long-term durability and weather resistance, making it suitable for outdoor applications.
Can PMMT491A,215 be used on irregular surfaces?
- Yes, PMMT491A,215 offers good conformability, allowing it to adhere well to irregular or textured surfaces.
What substrates is PMMT491A,215 compatible with?
- PMMT491A,215 is compatible with a wide range of materials including metals, plastics, and composites, making it versatile for various applications.
Does PMMT491A,215 leave residue when removed?
- PMMT491A,215 is designed to offer clean removal without leaving adhesive residue, minimizing the need for additional cleaning.
What are the storage requirements for PMMT491A,215?
- PMMT491A,215 should be stored in a cool, dry place away from direct sunlight and extreme temperatures to maintain its performance.
Are there any safety considerations when using PMMT491A,215?
- Users should follow proper handling and application procedures as outlined in the product's safety data sheet to ensure safe usage of PMMT491A,215.