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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TFPT1206L1801FY
THERMISTOR PTC 1.8K OHM 1% 1206
TFPT0805L3901FY
THERMISTOR PTC 3.9K OHM 1% 0805
RL2006-100-50-30-PTD
THERMISTOR PTC 150 OHM 5% TO220
RL2006-100-120-30-PTA
THERMISTOR PTC 150 OHM 5% TO220
PTGLS6ARR47M1N51B0
THERMISTOR
TFPT1206L1801FZ
THERMISTOR PTC 1.8K OHM 1% 1206
TFPT0603L1000FY
THERMISTOR PTC 100 OHM 1% 0603
PTFT0805L4700JV
THERMISTOR PTC 470 OHM 5% 0805
B59184C1120B153
THERMISTOR PTC 50 OHM 15% DISC
TFPT0603L2700JZ
THERMISTOR PTC 270 OHM 5% 0603
TFPT1206L1001JZ
THERMISTOR PTC 1K OHM 5% 1206
B59556A0135A020
THERMISTOR PTC 15 OHM 20% DISC
PTFT1206L6801JV
THERMISTOR PTC 6.8K OHM 5% 1206
PTFT1206L0100JV
THERMISTOR PTC 10 OHM 5% 1206
B59601A75B62
THERMISTOR PTC 470 OHM 50% 0603
PTFT0603L1500JV
THERMISTOR PTC 150 OHM 5% 0603
PTFM04BG222Q2N34BS
THERMISTOR PTC 2.2K OHM TO51-2
KTY83/120,113
THERMISTOR PTC 1K OHM DO34
PTFT1206L4700JW
THERMISTOR PTC 470 OHM 5% 1206
PTFT1206L0100JW
THERMISTOR PTC 10 OHM 5% 1206