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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PTFT1206L0220JW
THERMISTOR PTC 22 OHM 5% 1206
PR421D050S701H
THERMISTOR PTC 70 OHM RECT
PTFT0603L0030JV
THERMISTOR PTC 3 OHM 5% 0603
KTY23-7
THERMISTOR PTC 1.015K OHM SOT23
TFSW0805-64RF
SFERNICE THIN FILMS
PTCCL17H601EBE
THERMISTOR PTC
PTGLS4AR1R0M1B53B0
THERMISTOR PTC 16V 1 OHM 120C
B59107J0130A020
THERMISTOR PTC 56 OHM RADIAL
PTFT0805L0680JW
THERMISTOR PTC 68 OHM 5% 0805
PTFT0805L1000JV
THERMISTOR PTC 100 OHM 5% 0805
PTFT0603L0220JV
THERMISTOR PTC 22 OHM 5% 0603
PRF18BC471QB1RB
THERMISTOR PTC 470 OHM 50% 0603
TFPT1206L5601KM
THERMISTOR PTC 5.6K OHM 10% 1206
TFPT0805L3300KV
THERMISTOR PTC 330 OHM 10% 0805
B59603A0105A062
THERMISTOR PTC 470 OHM 50% 0603
TFPT0805L1801FZ
THERMISTOR PTC 1.8K OHM 1% 0805
B59550T1120A262
THERMISTOR PTC 50 OHM 15% 4SMD
TFPT1206L6201JY
THERMISTOR PTC 6.2K OHM 5% 1206
PTFM04BF222Q2N34BS
THERMISTOR PTC 330 OHM 30% TO51
PTCSL20T151DBE
THERMISTOR PTC 100 OHM RADIAL