NTC0805J4K7
Product Overview
Category
The NTC0805J4K7 belongs to the category of electronic components, specifically a type of surface mount thermistor.
Use
It is commonly used for temperature sensing and compensation in various electronic circuits and devices.
Characteristics
- Small size (0805 package)
- High sensitivity to temperature changes
- Wide operating temperature range
- Accurate and reliable performance
Package
The NTC0805J4K7 is typically available in tape and reel packaging, with a specified quantity per reel.
Essence
This thermistor is essential for maintaining precise temperature control in electronic systems, ensuring optimal performance and reliability.
Packaging/Quantity
The NTC0805J4K7 is usually packaged in reels containing a specific quantity, such as 1000 pieces per reel.
Specifications
- Model: NTC0805J4K7
- Resistance at 25°C: 4.7 kΩ
- Tolerance: ±5%
- Operating Temperature Range: -40°C to 125°C
- Power Rating: 1/8 W
Detailed Pin Configuration
The NTC0805J4K7 has two terminals, with no specific pin configuration as it is a surface mount component.
Functional Features
- Non-linear resistance response to temperature changes
- High sensitivity for accurate temperature measurement
- Stable performance over a wide temperature range
Advantages
- Small form factor suitable for compact designs
- Precise temperature measurement and compensation
- Reliable performance in harsh environments
Disadvantages
- Limited power handling capacity compared to larger thermistors
- Sensitive to mechanical stress due to small size
Working Principles
The NTC0805J4K7 operates based on the principle of negative temperature coefficient, where its resistance decreases as the temperature increases. This property allows it to accurately sense and respond to changes in temperature within electronic circuits.
Detailed Application Field Plans
The NTC0805J4K7 is widely used in: - Temperature monitoring and control in consumer electronics - Thermal management in automotive systems - Temperature compensation in industrial automation - Medical devices requiring precise temperature sensing
Detailed and Complete Alternative Models
Some alternative models to the NTC0805J4K7 include: - NTC0603J4K7: Smaller package size for space-constrained applications - NTC1206J4K7: Larger power rating for higher temperature environments - NTC0805J2K2: Lower resistance value for specific circuit requirements
In conclusion, the NTC0805J4K7 thermistor offers a compact and reliable solution for temperature sensing and compensation in various electronic applications, making it an essential component in modern electronic design and manufacturing.
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Question: What is the maximum power rating for NTC0805J4K7?
Answer: The maximum power rating for NTC0805J4K7 is 125 mW.Question: What is the resistance value of NTC0805J4K7 at 25°C?
Answer: The resistance value of NTC0805J4K7 at 25°C is 4.7 kΩ.Question: Can NTC0805J4K7 be used for temperature compensation in electronic circuits?
Answer: Yes, NTC0805J4K7 can be used for temperature compensation in electronic circuits due to its negative temperature coefficient.Question: What is the operating temperature range for NTC0805J4K7?
Answer: The operating temperature range for NTC0805J4K7 is -55°C to 150°C.Question: Is NTC0805J4K7 suitable for overcurrent protection in power supplies?
Answer: Yes, NTC0805J4K7 can be used for overcurrent protection in power supplies due to its thermistor characteristics.Question: Can NTC0805J4K7 be used for temperature sensing in automotive applications?
Answer: Yes, NTC0805J4K7 is suitable for temperature sensing in automotive applications due to its reliability and accuracy.Question: What is the thermal time constant of NTC0805J4K7?
Answer: The thermal time constant of NTC0805J4K7 is typically around 10-15 seconds.Question: Does NTC0805J4K7 exhibit non-linear resistance-temperature characteristics?
Answer: Yes, NTC0805J4K7 exhibits non-linear resistance-temperature characteristics, making it suitable for various temperature sensing applications.Question: Can NTC0805J4K7 be used for inrush current limiting in power circuits?
Answer: Yes, NTC0805J4K7 can be used for inrush current limiting in power circuits due to its high initial resistance and negative temperature coefficient.Question: What are the typical applications of NTC0805J4K7 in consumer electronics?
Answer: NTC0805J4K7 is commonly used in consumer electronics for temperature measurement, overtemperature protection, and temperature compensation in various electronic devices.