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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PR425C135S101H
THERMISTOR PTC 10 OHM RECT
USP14579
THERMISTOR PTC 1K OHM 2% CYLIND
PTFT0603L0680JW
THERMISTOR PTC 68 OHM 5% 0603
TFPT0805L1000JY
THERMISTOR PTC 100 OHM 5% 0805
PTFT1206L1502JV
THERMISTOR PTC 15K OHM 5% 1206
TFPT0805L3901KZ
THERMISTOR PTC 3.9K OHM 10% 0805
RL2006-100-60-30-PTE
THERMISTOR PTC 150 OHM 5% TO220
PTFT0603L2200JW
THERMISTOR PTC 220 OHM 5% 0603
PTFM04BG222Q2N34B0
THERMISTOR PTC 2.2K OHM BEAD
RL2006-100-30-30-PTE
THERMISTOR PTC 150 OHM 5% TO220
PTFT1206L1000JV
THERMISTOR PTC 100 OHM 5% 1206
TFPT0805L3900FZ
THERMISTOR PTC 390 OHM 1% 0805
PTFM04BB471Q2N34BS
THERMISTOR PTC 16V 470 OHM 120C
PTFT0805L6801JW
THERMISTOR PTC 6.8K OHM 5% 0805
B59100C180A70
THERMISTOR PTC 100 OHM RADIAL
B59901D0060A040
THERMISTOR PTC 100 OHM RADIAL
PTFT0805L0470JW
THERMISTOR PTC 47 OHM 5% 0805
TFPT0805L1501FY
THERMISTOR PTC 1.5K OHM 1% 0805
TFPT1206L6801JZ
THERMISTOR PTC 6.8K OHM 5% 1206
TFPT1206L1000FZ
THERMISTOR PTC 100 OHM 1% 1206