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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PTFT0805L6800JW
THERMISTOR PTC 680 OHM 5% 0805
TFPT1206L1801KZ
THERMISTOR PTC 1.8K OHM 10% 1206
TFPT0805L3300KY
THERMISTOR PTC 330 OHM 10% 0805
TFPT0603L3300FZ
THERMISTOR PTC 330 OHM 1% 0603
LT300016T265K1J
THERMISTOR PTC 5.1K OHM 5% AXIAL
TFPT0603L1001FZ
THERMISTOR PTC 1K OHM 1% 0603
TFPT0805L1201FZ
THERMISTOR PTC 1.2K OHM 1% 0805
PTCCL09H101HBE
THERMISTOR PTC
PTFT1206L4700JV
THERMISTOR PTC 470 OHM 5% 1206
PTFT1206L1501JV
THERMISTOR PTC 1.5K OHM 5% 1206
PTFT0603L4700JV
THERMISTOR PTC 470 OHM 5% 0603
B59100C60A70
THERMISTOR PTC 100 OHM RADIAL
TFPT1206L1002JZ
THERMISTOR PTC 10K OHM 5% 1206
PTGLS9AR0R2M1B51B0
THERMISTOR PTC 16V 0.2 OHM 120C
P5005C050S500H
THERMISTOR PTC 5 OHM COIN
TFPT0805L1200FY
THERMISTOR PTC 120 OHM 1% 0805
B59084C1080B140
PTC THERMISTOR
TFPT0805L2201JZ
THERMISTOR PTC 2.2K OHM 5% 0805
TFPT1206L1501FY
THERMISTOR PTC 1.5K OHM 1% 1206
PTFT0805L1500JV
THERMISTOR PTC 150 OHM 5% 0805