Temperature Sensors - PTC Thermistors
Temperature Sensors - PTC Thermistors
Definition:
PTC (Positive Temperature Coefficient) Thermistors are a specialized type of temperature sensor that exhibit a predictable increase in electrical resistance as temperature rises. These components are widely used for temperature sensing, monitoring, and control in various industrial, automotive, and consumer applications. PTC thermistors are known for their reliability, fast response times, and self-regulating properties, making them ideal for overcurrent protection and temperature compensation circuits.
Types of PTC Thermistors:
1. Ceramic PTC Thermistors Commonly used for overcurrent protection and self-regulating heaters due to their sharp resistance jump at a specific temperature.
2. Polymer PTC Thermistors (PPTC) Often employed in resettable fuses and circuit protection devices, offering flexibility and durability.
3. Silicon PTC Thermistors Provide linear resistance-temperature characteristics, suitable for precision temperature measurement.
4. Surface-Mount PTC Thermistors Designed for compact PCB applications where space efficiency is critical.
Buying Recommendations:
When selecting PTC thermistors, consider the following factors:
- Temperature Range: Ensure the thermistor operates within your application s required temperature limits.
- Resistance-Temperature Curve: Choose between switching-type (sharp resistance change) or linear-type PTCs based on your control needs.
- Accuracy & Stability: High-precision applications may require thermistors with tight tolerance and long-term stability.
- Mounting Style: Select through-hole, surface-mount, or probe-style thermistors based on your assembly requirements.
- Certifications: Check for industry-standard certifications (UL, RoHS, AEC-Q200 for automotive) if compliance is necessary.
PTC thermistors offer a cost-effective and efficient solution for temperature sensing and protection. Evaluate your technical specifications and environmental conditions to choose the optimal variant for your project.
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B59100C0010A070
THERMISTOR PTC 5K OHM DISC
PTFT0603L1501JV
THERMISTOR PTC 1.5K OHM 5% 0603
TFPT1206L5601FZ
THERMISTOR PTC 5.6K OHM 1% 1206
KT130
THERMISTOR PTC 1K OHM 3% SOT23-3
PRF18BG471QB1RB
THERMISTOR PTC 470 OHM 50% 0603
PTFT0805L1001JV
THERMISTOR PTC 1K OHM 5% 0805
TFPT0805L5600JZ
THERMISTOR PTC 560 OHM 5% 0805
PTCCL05H101EBE
THERMISTOR PTC
PTFT0603L2200JV
THERMISTOR PTC 220 OHM 5% 0603
TFPT0805L3300KZ
THERMISTOR PTC 330 OHM 10% 0805
TFPT0805L6800JZ
THERMISTOR PTC 680 OHM 5% 0805
TFPT0805L1000KM
THERMISTOR PTC 100 OHM 10% 0805
B59100C160A70
THERMISTOR PTC 100 OHM RADIAL
PRF18BD471QB1RB
THERMISTOR PTC 470 OHM 50% 0603
TFPT0603L5600KY
THERMISTOR PTC 560 OHM 10% 0603
PTCCL21H421HBE
THERMISTOR PTC
TFPT1206L5600JZ
THERMISTOR PTC 560 OHM 5% 1206
PTFT0603L6801JV
THERMISTOR PTC 6.8K OHM 5% 0603
PTCCL07H700HBE
THERMISTOR PTC
PTFT1206L0470JV
THERMISTOR PTC 47 OHM 5% 1206