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Thermal resistors, commonly known as thermistors, are temperature-sensitive resistors that play a crucial role in various electronic applications. These components are vital for temperature measurement and control, making them indispensable in industries ranging from consumer electronics to automotive and HVAC systems. This article aims to provide an overview of popular thermal resistor models, their specifications, typical applications, and current price ranges, helping you make informed purchasing decisions.
Thermal resistors operate based on the principle that their resistance changes with temperature. There are two primary types of thermal resistors:
1. **Negative Temperature Coefficient (NTC) Thermistors**: These resistors decrease in resistance as temperature increases. They are commonly used in temperature sensing and inrush current limiting applications.
2. **Positive Temperature Coefficient (PTC) Thermistors**: In contrast, PTC thermistors increase in resistance with rising temperature. They are often used in overcurrent protection and self-regulating heating applications.
When selecting a thermal resistor, several key specifications should be considered:
Resistance: The resistance value at a specified temperature, usually 25°C.
Temperature Coefficient: Indicates how much the resistance changes with temperature, typically expressed in ohms per degree Celsius.
Tolerance: The allowable deviation from the specified resistance value, usually expressed as a percentage.
Thermal resistors find applications in various fields:
1. **Consumer Electronics**: Used in devices like thermometers, refrigerators, and air conditioners for temperature monitoring and control.
2. **Automotive Industry**: Employed in engine management systems, battery management, and climate control systems.
3. **Industrial Equipment**: Utilized in manufacturing processes for temperature regulation and monitoring.
4. **HVAC Systems**: Essential for maintaining optimal temperature and energy efficiency in heating, ventilation, and air conditioning systems.
Several manufacturers are known for producing high-quality thermal resistors:
1. **Vishay**: A leading manufacturer known for its extensive range of electronic components, including thermistors.
2. **Honeywell**: Offers a variety of thermal sensors and thermistors for industrial and consumer applications.
3. **Bourns**: Known for its precision resistors and thermistors, particularly in automotive and industrial applications.
4. **NXP Semiconductors**: Provides a range of thermistors suitable for various electronic applications.
Specifications: NTC thermistor with a resistance of 10kΩ at 25°C, a temperature coefficient of -4.4%/°C, and a tolerance of ±1%.
Typical Applications: Used in temperature measurement and control in consumer electronics and HVAC systems.
Specifications: NTC thermistor with a resistance of 100kΩ at 25°C, a temperature coefficient of -3.85%/°C, and a tolerance of ±5%.
Typical Applications: Ideal for temperature sensing in automotive and industrial applications.
Specifications: NTC thermistors available in various resistance values (from 1kΩ to 100kΩ) with a temperature coefficient of -4.0%/°C.
Typical Applications: Commonly used in power supplies and temperature monitoring systems.
Specifications: NTC thermistor with a resistance of 10kΩ at 25°C, a temperature coefficient of -4.4%/°C, and a tolerance of ±1%.
Typical Applications: Suitable for temperature sensing in consumer electronics and automotive applications.
The price of thermal resistors can vary significantly based on several factors:
1. **Material and Manufacturing Processes**: The type of materials used and the complexity of the manufacturing process can affect the cost.
2. **Specifications and Performance Characteristics**: Higher precision and specialized features typically lead to higher prices.
3. **Market Demand and Supply**: Fluctuations in demand and supply can impact pricing, especially for popular models.
1. **Vishay NTCLE100E3103JB0**: Price range is approximately $0.50 to $1.50 per unit, depending on the quantity purchased.
2. **Honeywell 135-104LAG-J01**: Typically priced between $1.00 and $2.50 per unit.
3. **Bourns 4600 Series**: Prices range from $0.75 to $2.00 per unit, depending on the specific model and resistance value.
4. **NXP Semiconductors NTCS0603E3103**: Generally priced between $0.60 and $1.80 per unit.
Thermal resistors can be purchased from various sources:
1. **Online Retailers**: Websites like Amazon, Digi-Key, and Mouser Electronics offer a wide selection of thermal resistors.
2. **Electronic Component Distributors**: Companies like Newark and Allied Electronics provide extensive catalogs of electronic components, including thermal resistors.
3. **Manufacturer Websites**: Directly purchasing from manufacturers like Vishay, Honeywell, and Bourns can sometimes yield better pricing and availability.
In summary, thermal resistors are essential components in a wide range of applications, from consumer electronics to industrial systems. Understanding the different types, specifications, and applications of thermal resistors is crucial for selecting the right model for your needs. The prices of popular thermal resistor models vary based on several factors, including material, specifications, and market demand. Therefore, it is advisable to research and compare prices from various sources before making a purchase.
By being informed about the options available, you can ensure that you select the most suitable thermal resistor for your specific application, ultimately leading to better performance and reliability in your electronic systems.
- Vishay Product Catalog
- Honeywell Thermistor Data Sheets
- Bourns Resistor Specifications
- NXP Semiconductors Product Information
- Industry publications and market analysis reports on thermal resistors
This comprehensive overview provides valuable insights into the world of thermal resistors, equipping you with the knowledge needed to make informed purchasing decisions.
Thermal resistors, commonly known as thermistors, are temperature-sensitive resistors that play a crucial role in various electronic applications. These components are vital for temperature measurement and control, making them indispensable in industries ranging from consumer electronics to automotive and HVAC systems. This article aims to provide an overview of popular thermal resistor models, their specifications, typical applications, and current price ranges, helping you make informed purchasing decisions.
Thermal resistors operate based on the principle that their resistance changes with temperature. There are two primary types of thermal resistors:
1. **Negative Temperature Coefficient (NTC) Thermistors**: These resistors decrease in resistance as temperature increases. They are commonly used in temperature sensing and inrush current limiting applications.
2. **Positive Temperature Coefficient (PTC) Thermistors**: In contrast, PTC thermistors increase in resistance with rising temperature. They are often used in overcurrent protection and self-regulating heating applications.
When selecting a thermal resistor, several key specifications should be considered:
Resistance: The resistance value at a specified temperature, usually 25°C.
Temperature Coefficient: Indicates how much the resistance changes with temperature, typically expressed in ohms per degree Celsius.
Tolerance: The allowable deviation from the specified resistance value, usually expressed as a percentage.
Thermal resistors find applications in various fields:
1. **Consumer Electronics**: Used in devices like thermometers, refrigerators, and air conditioners for temperature monitoring and control.
2. **Automotive Industry**: Employed in engine management systems, battery management, and climate control systems.
3. **Industrial Equipment**: Utilized in manufacturing processes for temperature regulation and monitoring.
4. **HVAC Systems**: Essential for maintaining optimal temperature and energy efficiency in heating, ventilation, and air conditioning systems.
Several manufacturers are known for producing high-quality thermal resistors:
1. **Vishay**: A leading manufacturer known for its extensive range of electronic components, including thermistors.
2. **Honeywell**: Offers a variety of thermal sensors and thermistors for industrial and consumer applications.
3. **Bourns**: Known for its precision resistors and thermistors, particularly in automotive and industrial applications.
4. **NXP Semiconductors**: Provides a range of thermistors suitable for various electronic applications.
Specifications: NTC thermistor with a resistance of 10kΩ at 25°C, a temperature coefficient of -4.4%/°C, and a tolerance of ±1%.
Typical Applications: Used in temperature measurement and control in consumer electronics and HVAC systems.
Specifications: NTC thermistor with a resistance of 100kΩ at 25°C, a temperature coefficient of -3.85%/°C, and a tolerance of ±5%.
Typical Applications: Ideal for temperature sensing in automotive and industrial applications.
Specifications: NTC thermistors available in various resistance values (from 1kΩ to 100kΩ) with a temperature coefficient of -4.0%/°C.
Typical Applications: Commonly used in power supplies and temperature monitoring systems.
Specifications: NTC thermistor with a resistance of 10kΩ at 25°C, a temperature coefficient of -4.4%/°C, and a tolerance of ±1%.
Typical Applications: Suitable for temperature sensing in consumer electronics and automotive applications.
The price of thermal resistors can vary significantly based on several factors:
1. **Material and Manufacturing Processes**: The type of materials used and the complexity of the manufacturing process can affect the cost.
2. **Specifications and Performance Characteristics**: Higher precision and specialized features typically lead to higher prices.
3. **Market Demand and Supply**: Fluctuations in demand and supply can impact pricing, especially for popular models.
1. **Vishay NTCLE100E3103JB0**: Price range is approximately $0.50 to $1.50 per unit, depending on the quantity purchased.
2. **Honeywell 135-104LAG-J01**: Typically priced between $1.00 and $2.50 per unit.
3. **Bourns 4600 Series**: Prices range from $0.75 to $2.00 per unit, depending on the specific model and resistance value.
4. **NXP Semiconductors NTCS0603E3103**: Generally priced between $0.60 and $1.80 per unit.
Thermal resistors can be purchased from various sources:
1. **Online Retailers**: Websites like Amazon, Digi-Key, and Mouser Electronics offer a wide selection of thermal resistors.
2. **Electronic Component Distributors**: Companies like Newark and Allied Electronics provide extensive catalogs of electronic components, including thermal resistors.
3. **Manufacturer Websites**: Directly purchasing from manufacturers like Vishay, Honeywell, and Bourns can sometimes yield better pricing and availability.
In summary, thermal resistors are essential components in a wide range of applications, from consumer electronics to industrial systems. Understanding the different types, specifications, and applications of thermal resistors is crucial for selecting the right model for your needs. The prices of popular thermal resistor models vary based on several factors, including material, specifications, and market demand. Therefore, it is advisable to research and compare prices from various sources before making a purchase.
By being informed about the options available, you can ensure that you select the most suitable thermal resistor for your specific application, ultimately leading to better performance and reliability in your electronic systems.
- Vishay Product Catalog
- Honeywell Thermistor Data Sheets
- Bourns Resistor Specifications
- NXP Semiconductors Product Information
- Industry publications and market analysis reports on thermal resistors
This comprehensive overview provides valuable insights into the world of thermal resistors, equipping you with the knowledge needed to make informed purchasing decisions.
