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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PTFT0603L1501JW
THERMISTOR PTC 1.5K OHM 5% 0603
PTGLS0ARR15M1B51A0
THERMISTOR PTC 16V 0.15 OHM 120C
TFPT0805L8200FY
THERMISTOR PTC 820 OHM 1% 0805
TFPT0805L3301JZ
THERMISTOR PTC 3.3K OHM 5% 0805
PTFT0805L4701JV
THERMISTOR PTC 4.7K OHM 5% 0805
B59901D130A40
THERMISTOR PTC 100 OHM RADIAL
PTFT0805L0220JW
THERMISTOR PTC 22 OHM 5% 0805
B59601A0085B062
THERMISTOR PTC 470 OHM 50% 0603
TFPT1206L4701KM
THERMISTOR PTC 4.7K OHM 10% 1206
TFPT0805L1801JZ
THERMISTOR PTC 1.8K OHM 5% 0805
B59901D0110A040
THERMISTOR PTC 100 OHM RADIAL
LT300014T2610KJ
THERMISTOR PTC 10K OHM 5% AXIAL
PR425C050S101H
THERMISTOR PTC 10 OHM RECT
TFPT0805L2000FZ
THERMISTOR PTC 200 OHM 1% 0805
TFPT0805L8200FZ
THERMISTOR PTC 820 OHM 1% 0805
P5010D135S401H
THERMISTOR PTC 40 OHM COIN
TFPT0603L6800KV
THERMISTOR PTC 680 OHM 10% 0603
TFPT0805L3901FZ
THERMISTOR PTC 3.9K OHM 1% 0805
KTY83/110,113
THERMISTOR PTC 1K OHM DO34
PTFT0805L4700JW
THERMISTOR PTC 470 OHM 5% 0805