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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B59100C90A51
THERMISTOR PTC 100 OHM RADIAL
TFPT1206L1000FY
THERMISTOR PTC 100 OHM 1% 1206
PTFT1206L1500JV
THERMISTOR PTC 150 OHM 5% 1206
PTFT1206L1000JW
THERMISTOR PTC 100 OHM 5% 1206
TFPT1206L1501JZ
THERMISTOR PTC 1.5K OHM 5% 1206
PTFT0603L0220JW
THERMISTOR PTC 22 OHM 5% 0603
TFPT0805L3300FY
THERMISTOR PTC 330 OHM 1% 0805
TFPT1206L8201KZ
THERMISTOR PTC 8.2K OHM 10% 1206
PTFT0603L4701JW
THERMISTOR PTC 4.7K OHM 5% 0603
B59604A85A62
THERMISTOR PTC 470 OHM 50% 0603
PTFT0805L0220JV
THERMISTOR PTC 22 OHM 5% 0805
TFPT0603L3900KY
THERMISTOR PTC 390 OHM 10% 0603
PTFT1206L2200JW
THERMISTOR PTC 220 OHM 5% 1206
TFPT0805L1001FZ
THERMISTOR PTC 1K OHM 1% 0805
PR425C090S101H
THERMISTOR PTC 10 OHM RECT
PTFT1206L1500JW
THERMISTOR PTC 150 OHM 5% 1206
B59100C150A51
THERMISTOR PTC 100 OHM RADIAL
PTCCL07H500HBE
THERMISTOR PTC
LT300014T261K0J
THERMISTOR PTC 1K OHM 5% AXIAL
TFPT0805L1001FY
THERMISTOR PTC 1K OHM 1% 0805