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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PTFT1206L1002JV
THERMISTOR PTC 10K OHM 5% 1206
PTFL04BB222Q2N34B0
THERMISTOR PTC 2.2K OHM DISC
PTFT0603L4700JW
THERMISTOR PTC 470 OHM 5% 0603
PTCSL20T081DBE
THERMISTOR PTC 100 OHM RADIAL
TFPT1206L6201JZ
THERMISTOR PTC 6.2K OHM 5% 1206
TFPT0805L1000KZ
THERMISTOR PTC 100 OHM 10% 0805
KTY136
THERMISTOR PTC 2K OHM 3% SOT23-3
PTFT0805L1501JW
THERMISTOR PTC 1.5K OHM 5% 0805
B59901D140A40
THERMISTOR PTC 100 OHM RADIAL
TFPT0603L4700KV
THERMISTOR PTC 470 OHM 10% 0603
TFPT0805L2201FZ
THERMISTOR PTC 2.2K OHM 1% 0805
B59901D0080A040
THERMISTOR PTC 100 OHM RADIAL
PTFT0603L4701JV
THERMISTOR PTC 4.7K OHM 5% 0603
TFPT1206L1001KZ
THERMISTOR PTC 1K OHM 10% 1206
PTFM04BC222Q2N34BS
THERMISTOR PTC 16V 2.2K OHM 110C
P5010D090S401H
THERMISTOR PTC 40 OHM COIN
PTCTL4MR250STE
THERMISTOR PTC 25 OHM 20% RADIAL
PTFT0805L1500JW
THERMISTOR PTC 150 OHM 5% 0805
TFPT0603L3300JZ
THERMISTOR PTC 330 OHM 5% 0603
B59052D1100A040
PTC THERMISTOR