| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Innovative Sensor Technology |
TO92, -10C TO 60C, DIGITAL SIGNA |
0 |
|
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Innovative Sensor Technology |
TO92, -10C TO 60C, DIGITAL SIGNA |
0 |
|
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Innovative Sensor Technology |
TO92, -50C TO 150C, DIGITAL SIGN |
461 |
|
|
Innovative Sensor Technology |
SOP-8, -50C TO 150C, DIGITAL SIG |
500 |
|
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Innovative Sensor Technology |
TO92, -10C TO 60C, ANALOG SIGNAL |
0 |
|
Temperature sensors are devices that detect thermal energy and convert it into electrical signals. They are categorized into analog and digital output types based on signal transmission methods. Analog sensors produce continuous voltage/current signals, while digital sensors output discrete numerical values via communication protocols. These sensors are critical in industrial automation, healthcare, consumer electronics, and environmental monitoring, enabling precise thermal management and system reliability.
| Type | Function Features | Application Examples |
|---|---|---|
| Analog Sensors (e.g., Thermistors, RTDs) | Continuous signal output, high resolution, requires ADC conversion | Industrial process control, HVAC systems |
| Thermocouples | Wide temperature range (-200 C to 2000 C), self-powered | High-temperature furnaces, automotive exhaust monitoring |
| Digital Sensors (e.g., IC-based) | Integrated ADC, protocol interfaces (I2C/SPI), high accuracy | Smart thermostats, wearable devices |
| Infrared Sensors | Contactless measurement, detects thermal radiation | Medical thermometers, autonomous vehicle systems |
Typical temperature sensors consist of: - Sensing Element: Thermoresistive materials (e.g., platinum in RTDs) or semiconductor junctions - Signal Conditioning Circuitry: Amplifiers, ADC converters (for digital types), and linearization modules - Package: Hermetic sealing for environmental protection, TO-92 or SMD enclosures - Interface: Wires/pins for analog sensors, digital communication buses (I2C, SPI)
| Parameter | Description | Importance |
|---|---|---|
| Temperature Range | Operational limits (-50 C to +300 C typical) | Determines application suitability |
| Accuracy | 0.1 C to 5 C depending on type | Impacts measurement reliability |
| Response Time | 1ms to 10s for signal stabilization | Critical for dynamic systems |
| Resolution | 0.01 C (high-end digital) to 1 C | Defines measurement granularity |
| Output Interface | Voltage, current, I2C, UART | Dictates system integration method |
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Texas Instruments | LM75B | Digital output, 2 C accuracy, I2C interface |
| STMicroelectronics | LPS22HB | MEMS-based digital sensor, 0.008 C resolution |
| TE Connectivity | NTC Thermistor NTCG | High sensitivity, automotive-grade reliability |
| Analog Devices | AD8495 | Thermocouple signal conditioner, 1mV/ C output |
Key considerations: - Required temperature range and environmental conditions - Output type compatibility with host system - Accuracy vs. cost trade-offs - Installation constraints (contact vs. non-contact) - Calibration requirements and long-term stability
Future developments focus on: - Wireless sensor networks with integrated BLE/Zigbee - AI-enhanced predictive thermal management - MEMS-based ultra-miniaturized sensors for IoT devices - Energy-harvesting self-powered sensor nodes - Multi-sensor fusion systems combining temperature with humidity/pressure