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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TFPT0805L1000KV
THERMISTOR PTC 100 OHM 10% 0805
KTY83/151,113
THERMISTOR PTC 975 OHM DO34
PTFT1206L4701JV
THERMISTOR PTC 4.7K OHM 5% 1206
TFPT0805L1000FY
THERMISTOR PTC 100 OHM 1% 0805
PTFT0805L2201JW
THERMISTOR PTC 2.2K OHM 5% 0805
PTFT0805L0100JV
THERMISTOR PTC 10 OHM 5% 0805
TFPT0805L1800JZ
THERMISTOR PTC 180 OHM 5% 0805
TFPT0603L5600KV
THERMISTOR PTC 560 OHM 10% 0603
TFPT0805L2701FZ
THERMISTOR PTC 2.7K OHM 1% 0805
B59100C90A54
THERMISTOR PTC 100 OHM RADIAL
YQS5746PTO
THERMISTOR PTC RADIAL DISC
PTFT1206L6800JW
THERMISTOR PTC 680 OHM 5% 1206
PTCCL07H151EBE
THERMISTOR PTC
KTY11-6
THERMISTOR PTC 2K OHM 3% TO92
TFPT0805L3901JZ
THERMISTOR PTC 3.9K OHM 5% 0805
TFPT0603L1001FY
THERMISTOR PTC 1K OHM 1% 0603
TFPT0603L4700FY
THERMISTOR PTC 470 OHM 1% 0603
PTFT0603L0470JV
THERMISTOR PTC 47 OHM 5% 0603
PTFT0805L1000JW
THERMISTOR PTC 100 OHM 5% 0805
PTFT0603L1002JV
THERMISTOR PTC 10K OHM 5% 0603