
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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B59100M1100A070
THERMISTOR PTC 100 OHM
B59721A0130A062
THERMISTOR PTC 680 OHM 50% 0805
TFPT0805L3901FV
THERMISTOR PTC 3.9K OHM 1% 0805
PTCCL21H591HBE
THERMISTOR PTC
B59100C0090A070
THERMISTOR PTC 100 OHM RADIAL
02-P331-1
THERMISTOR PTC 330 OHM
TFPT0603L2200FM
THERMISTOR PTC 220 OHM 1% 0603
TFPT1206L5600JV
THERMISTOR PTC 560 OHM 5% 1206
LT7339002A1K0JTE
THERMISTOR PTC 1K OHM 5% 0805
TFPT0603L1500JV
THERMISTOR PTC 150 OHM 5% 0603
B59830C0160A070
THERMISTOR PTC 3.7 OHM 25% DISC
YGM1 C512
THERMISTOR PTC 250 OHM 10% RAD
TFPT0805L3901JV
THERMISTOR PTC 3.9K OHM 5% 0805
PTCSL03T091DT1E
THERMISTOR PTC RADIAL LEAD DISC
TFPTL10L1000FH5B
THERMISTOR PTC 100 OHM 1% RADIAL
STS210101L360500G918
THERMISTOR PTC 1.01K OHM 1% AXL
KTY81/220,116
THERMISTOR PTC 2K OHM PBCYT2
TFPT1206L1002DM
THERMISTOR PTC 10K OHM 0.5% 1206
TFPT0603L1000DV
THERMISTOR PTC 100 OHM 0.5% 0603
KTY81/150
TEMPERATURE SENSOR, 1 FUNC, PBCY