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Temperature Sensors - PTC Thermistors
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


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