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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TFPT0603L1000JV
THERMISTOR PTC 100 OHM 5% 0603
PTCSL03T141DB1E
THERMISTOR PTC RADIAL LEAD DISC
TMP6131ELPGMQ1
SENSOR PTC 10K OHM 1% TO92S
TFPT1206L1001JM
THERMISTOR PTC 1K OHM 5% 1206
B59052D1110A40
PTC THERMISTOR D 052-A 110-A 40
KTY81/222,112
THERMISTOR PTC 2.02K OHM PBCYT2
KTY83/121,153
THERMISTOR PTC 990 OHM DO34
B59915C0120A070
THERMISTOR PTC 200K OHM 25% DISC
PT06R472P100
THERMISTOR PTC 0603 100C CURIE
PT06R472P70
THERMISTOR PTC 0603 70C CURIE
B59549A0135A020
THERMISTOR PTC 22 OHM 20% DISC
B59201P1120A062
THERMISTOR PTC 4.6 OHM 25% SMD
B59910C0120A070
THERMISTOR PTC 1.2 OHM 25% DISC
B59011E0160A040
THERMISTOR PTC AXIAL
B59339A1502P020
THERMISTOR PTC 5K OHM 25% RAD
TFPT0805L4700FV
THERMISTOR PTC 470 OHM 1% 0805
B59100M1150A070
THERMISTOR PTC 100 OHM
B59339A1202P020
THERMISTOR PTC 2K OHM 25% DISC
B59601A0105A062
THERMISTOR PTC 470 OHM 50% 0603
TMP6331DECT
TMP6331DECT