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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TFPT1206L6800FM
THERMISTOR PTC 680 OHM 1% 1206
B59300M1120A070
THERMISTOR PTC 300 OHM RADIAL
B59758C0110A070
THERMISTOR PTC 7.5K OHM 33% DISC
B59173C1130A151
THERMISTOR PTC 55 OHM 15% DISC
KTY81/110,112
THERMISTOR PTC 1K OHM PBCYT2
PRF18BD471QS5RB
THERMISTOR PTC 470 OHM 50% 0603
TFPT1206L6201JM
THERMISTOR PTC 6.2K OHM 5% 1206
TFPTL15L3300FL2B
THERMISTOR PTC 330 OHM 1% RADIAL
TFPT0603L4700FM
THERMISTOR PTC 470 OHM 1% 0603
TFPT0603L1800FV
TFPT0603 180 1% E52 E3
KTY83/110,153
THERMISTOR PTC 1K OHM DO34
TFPT0805L1001JV
THERMISTOR PTC 1K OHM 5% 0805
B59102R0220A010V60
THERMISTOR PTC 1K OHM 50% RECT
TFPT0603L1200FM
THERMISTOR PTC 120 OHM 1% 0603
TFPT1206L4701FV
THERMISTOR PTC 4.7K OHM 1% 1206
PTCSL03T081DT1E
THERMISTOR PTC RADIAL LEAD DISC
TMP6431QDECTQ1
IC POWER
PT06R472P60
THERMISTOR PTC 0603 60C CURIE
TFPT0805L2700FM
THERMISTOR PTC 270 OHM 1% 0805
TFPT1206L8200FV
THERMISTOR PTC 820 OHM 1% 1206