| Allicdata Part #: | 253JM1A-ND |
| Manufacturer Part#: |
253JM1A |
| Price: | $ 0.50 |
| Product Category: | Sensors, Transducers |
| Manufacturer: | US Sensor/Littelfuse Inc |
| Short Description: | THERMISTOR NTC 25KOHM 3892K DO35 |
| More Detail: | NTC Thermistor 25k DO-204AH, DO-35, Axial |
| DataSheet: | 253JM1A Datasheet/PDF |
| Quantity: | 1000 |
| 250 +: | $ 0.45360 |
| Series: | -- |
| Packaging: | Bulk |
| Part Status: | Active |
| Resistance in Ohms @ 25°C: | 25k |
| Resistance Tolerance: | ±1°C |
| B Value Tolerance: | -- |
| B0/50: | 3892K |
| B25/50: | -- |
| B25/75: | -- |
| B25/85: | -- |
| B25/100: | -- |
| Operating Temperature: | 300°C |
| Length - Lead Wire: | 1.00" (25.40mm) |
| Mounting Type: | Through Hole |
| Package / Case: | DO-204AH, DO-35, Axial |
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NTC thermistors are temperature sensors with negative temperature coefficient (NTC), and 253JM1A is an NTC thermistor designed for accurate and fast temperature sensing over a broad range of temperatures. Its applications are diverse, but mostly involve sensing the temperature of a hot surface or an environment. This article will discuss the common applications and working principle of the 253JM1A and how it can be used to measure temperature.
Applications of 253JM1A
The 253JM1A has been designed for temperature sensing applications from -55°C to +275°C, so its applications are numerous. Some of its common uses are:
- Air-conditioning systems: This thermistor is often used in air-conditioning systems to measure the temperature inside the system. It can also be used to detect the presence of cold air, which can be used to triage temperature control in buildings.
- Industrial ovens and furnaces: The 253JM1A can be used for temperature measurement in various industrial ovens and furnaces. It provides accurate readings which can be used to help maintain standard operation of these systems.
- Medical equipment: The thermistor is often used in medical equipment to measure and control temperatures in real time. This allows for accurate temperature readings, which can be used to measure patient health.
Working Principle of 253JM1A
The 253JM1A is an NTC thermistor, meaning its resistance decreases with increasing temperature. It is therefore suited for applications that require temperature measurements over a broad range of temperatures. The thermistor operates on the principle that its resistance can be correlated to temperature directly, as its resistance changes in step with temperature changes. In essence, when the temperature increases, the resistance of the thermistor decreases, and vice versa.
At constant temperature, the resistance of the thermistor is predictable and ensures accurate temperature measurement. Its resistance and temperature characteristics can be tuned to the needs of the application by varying the type of thermistor material used and its shape. The 253JM1A is typically in the form of a bead or disc and is composed of a platinum-iridium base metal with a platinum-iridium oxides matrix.
Conclusion
The 253JM1A is a versatile thermistor for temperature sensing. It is well-suited for air-conditioning, ovens, and medical equipment due to its accuracy and broad range of temperature sensing. Its working principle is based on the concept of its resistance changing in step with temperature changes, which makes it suitable for temperature applications.
The specific data is subject to PDF, and the above content is for reference
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253JM1A Datasheet/PDF