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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TFPT0805L1001JZ
THERMISTOR PTC 1K OHM 5% 0805
PTFT0805L0680JV
THERMISTOR PTC 68 OHM 5% 0805
TFPT0805L2700JZ
THERMISTOR PTC 270 OHM 5% 0805
TFPT0603L1500JZ
THERMISTOR PTC 150 OHM 5% 0603
TFPT0603L4700FZ
THERMISTOR PTC 470 OHM 1% 0603
PTCTL3MR100GTE
THERMISTOR PTC 10 OHM 20% RADIAL
PTFM04BE222Q2N34BS
THERMISTOR PTC 16V 2.2K OHM 90C
TFPT0805L1801FY
THERMISTOR PTC 1.8K OHM 1% 0805
PTCCL21H601HBE
THERMISTOR PTC
TFPT0805L3300JZ
THERMISTOR PTC 330 OHM 5% 0805
B59100C150A151
THERMISTOR PTC 100 OHM
PTCCL21H172DBE
THERMISTOR PTC RADIAL LEAD DISC
PTFT0603L1000JW
THERMISTOR PTC 100 OHM 5% 0603
KT230GEG
AUTOMOTIVE PRESSURE SENSOR
YQS5744PTO
THERMISTOR PTC RADIAL DISC
TFPT0805L4700FZ
THERMISTOR PTC 470 OHM 1% 0805
PTCSL20T111DBE
THERMISTOR PTC 100 OHM RADIAL
PTGLS7ARR33M1B51B0
THERMISTOR PTC 16V 0.33 OHM 120C
PTCCL14H281HBE
THERMISTOR PTC
TFPT0805L5001FY
THERMISTOR PTC 5K OHM 1% 0805