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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PTFL04BE471Q2N34B0
THERMISTOR PTC 100 OHM DISC
PR421D135S701H
THERMISTOR PTC 70 OHM RECT
PTFM04BG471Q2N34BS
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THERMISTOR PTC 150 OHM 5% 0603
PTCCL17H132DBE
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YS5941PTH
PTC HEATERS 40%
PTFM04BF471Q2N34BS
THERMISTOR PTC 16V 470 OHM 80C
PTCCL21H801HBE
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PTGLS6BCR15N1N53B0
THERMISTOR
PTFT0603L0030JW
THERMISTOR PTC 3 OHM 5% 0603
PRF18BB471QB1RB
THERMISTOR PTC 470 OHM 50% 0603
PTFT1206L0220JV
THERMISTOR PTC 22 OHM 5% 1206
TFPT1206L2700FZ
THERMISTOR PTC 270 OHM 1% 1206
PTFT1206L1001JW
THERMISTOR PTC 1K OHM 5% 1206
TFPT0805L1000KY
THERMISTOR PTC 100 OHM 10% 0805
TFPT0805L1501FZ
THERMISTOR PTC 1.5K OHM 1% 0805
RL2006-100-90-30-PTE
THERMISTOR PTC 150 OHM 5% TO220
PTCSL20T141DBE
THERMISTOR PTC 100 OHM RADIAL
TFPT1206L3900JZ
THERMISTOR PTC 390 OHM 5% 1206