Axial Thermistors
Last Updated: April 1, 2025
Description
Axial thermistors are temperature-sensitive resistors that change their resistance with variations in temperature. They are typically designed in an axial leaded form, which means they have leads extending from both ends of the cylindrical body, making them suitable for through-hole mounting on circuit boards.
Working Principle
The working principle of axial thermistors is based on their resistance-temperature relationship. There are two main types of thermistors: Negative Temperature Coefficient (NTC) and Positive Temperature Coefficient (PTC). NTC thermistors decrease in resistance as the temperature increases, while PTC thermistors increase in resistance with rising temperature. This property allows them to be used effectively in temperature sensing and control applications. The resistance change is measured using an ohm meter, which helps in determining the temperature. This characteristic makes thermistors useful for precise temperature monitoring and control in various systems .
Applications
Axial thermistors are used in a variety of applications due to their sensitivity and accuracy. Specific examples include their use in precision instrumentation such as hand-held meters and temperature gauges. They are also employed in battery pack charging systems and laser drives, where accurate temperature monitoring is crucial for optimal performance and safety .
Advantages over other Thermistors
Axial thermistors offer several advantages over other types of thermistors. They are known for their small size and high degree of stability, which makes them suitable for applications where space is limited. Additionally, they are long-lasting and provide a high level of accuracy in temperature measurements. These characteristics make them preferable in applications requiring precise temperature control .
Limitations
Despite their advantages, axial thermistors have some limitations. They exhibit non-linearity in their resistance-temperature relationship, which can complicate the interpretation of temperature readings. Furthermore, they are unsuitable for use in extreme temperature environments due to their limited temperature range. These factors can restrict their applicability in certain scenarios .
Considerations
When considering the use of axial thermistors, several factors should be taken into account. Initial costs can be higher compared to other temperature sensing devices, and their design may be less rugged. Operating expenses are generally low due to their long-lasting nature, but their non-linearity may require additional circuitry for accurate temperature readings, potentially increasing system complexity. Durability is generally good, but they can be fragile, necessitating careful handling during installation and maintenance. Replacement and maintenance costs are typically low, given their longevity and stability .
from DigiKey
NTC Thermistor 100 DO-41 Mini, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 100
- Temperature Range: 220
- Beta: 2941
from DigiKey
NTC Thermistor 1k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 1000
- Temperature Range: 220
- Beta: 2941
from DigiKey
NTC Thermistor 100k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 100000
- Temperature Range: 300
- Beta: 4140
from DigiKey
NTC Thermistor 1k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 1000
- Temperature Range: -60 to 300
from DigiKey
NTC Thermistor 200k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 200000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 100k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 100000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 10k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 10000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 10k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 10000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 10k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 10000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 2k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 2000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 5k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 5000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 10k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 10000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 20k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 20000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 30k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 30000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 50k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 50000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 10.74k Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 10740
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 10k Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 10000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 10k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 10000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 10k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 10000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 30k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 30000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 1k Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 1000
- Temperature Range: -40 to 250
from DigiKey
ULTRA-STABLE AXIAL LEADED NTC TH [See More]
- Lead Style: Axial
- Resistance (@25°C): 100000
- Temperature Range: -55 to 250
from DigiKey
NTC THERMISTORS 10KOHM 5% [See More]
- Lead Style: Axial
- Resistance (@25°C): 10000
- Temperature Range: -50 to 250
from DigiKey
NTC Thermistor 10k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 10000
- Temperature Range: -40 to 250
from DigiKey
NTC Thermistor 100k DO-204AH, DO-35, Axial [See More]
- Lead Style: Axial
- Resistance (@25°C): 100000
- Temperature Range: -40 to 250
from Selco Products Company
Featuring accuracies ranging from ± 0.1 °C to ± 10%. Our CP and CS NTC thermistor series can be customized to meet your exact application requirements for probe housing materials, lead wire gauges, insulation types, and connectors. Selco ’s discrete thermistor family includes... [See More]
- Lead Style: Axial; Leadless; Radial
- Resistance (@25°C): 2252 to 1.00E6
- Temperature Range: -50 to 250
- Package / Electrode Type: Bead; Chip/Surface
from Sunstone Engineering
PART NUMBER: tm10ka. TYPE: Axial. BETA VALUE: 3890. TOLERANCE: 0.1. RESISTANCE/OHM: 10K Ohm. The TM10KA is a 10K ohm axial lead thermistor. 10% tolerance carrying beta of 3,890K ohms. For most Snap-On and Craftsman drill packs. [See More]
- Lead Style: Axial
- Resistance (@25°C): 10000