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Thermistor PTC 1.5K
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500RWF
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A Thermistor PTC 1.5K is a type of temperature sensor that uses a Positive Temperature Coefficient (PTC) thermistor to measure changes in temperature. Its name comes from its nominal resistance of 1.5 kilo-ohms at 25°C. It’s commonly used in electronic circuits and automotive applications for temperature measurement and control. It can detect overheating and prevent damage to sensitive components, and can also be used as part of a temperature compensation circuit.
Description
A thermistor PTC 1.5K is a type of temperature sensor that uses a Positive Temperature Coefficient (PTC) thermistor to measure temperature changes in a circuit. The PTC thermistor has a resistance that increases with temperature, so as the temperature of the circuit increases, the resistance of the thermistor also increases.
The 1.5K in the name refers to the nominal resistance of the thermistor at a reference temperature, typically 25°C. This means that at the reference temperature, the thermistor has a resistance of approximately 1.5 kilo-ohms.
Thermistor PTC 1.5Ks are commonly used in electronic circuits for temperature measurement and control, as well as in automotive applications for monitoring engine temperature. They can be used to detect overheating and prevent damage to sensitive components, and can also be used as part of a temperature compensation circuit to ensure stable operation of electronic devices over a wide temperature range.
specifications for a typical Thermistor PTC 1.5K:
- Resistance: 1.5 kilo-ohms at 25°C
- Temperature Coefficient: Positive
- Operating Temperature Range: -40°C to +150°C
- Maximum Power Rating: 250mW at 25°C
- Tolerance: +/- 5%
- Time Constant: 5 seconds (typical)
- Thermal Dissipation Constant: 3.0mW/°C
- Thermal Time Constant: 15s
- Diameter: 2.5mm to 5mm (typical)
- Length: 6mm to 15mm (typical
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