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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KTY82/120/B,215
THERMISTOR PTC 1K OHM TO236AB
TFPT0603L5600JZ
THERMISTOR PTC 560 OHM 5% 0603
B59346A1502P20
THERMISTOR PTC 1.5K OHM 25% RAD
PTFT0805L0470JV
THERMISTOR PTC 47 OHM 5% 0805
PTFT0603L0680JV
THERMISTOR PTC 68 OHM 5% 0603
B59970T1100A062
THERMISTOR PTC 70 OHM 15% 4SMD
B59901D0070A040
THERMISTOR PTC 100 OHM RADIAL
B59105J0130A020
THERMISTOR PTC 22 OHM RADIAL
KTY83/121,113
THERMISTOR PTC 990 OHM DO34
TFPT1206L1001FZ
THERMISTOR PTC 1K OHM 1% 1206
TFPT0805L2001JF
THERMISTOR PTC 200 OHM 5% 0805
B59601A135B62
THERMISTOR PTC 470 OHM 50% 0603
PTFT1206L2201JV
THERMISTOR PTC 2.2K OHM 5% 1206
TFPT0603L2200FZ
THERMISTOR PTC 220 OHM 1% 0603
PTCCL05H250HBE
THERMISTOR PTC
TFPT1206L1001FY
THERMISTOR PTC 1K OHM 1% 1206
TFPT0805L4700JZ
THERMISTOR PTC 470 OHM 5% 0805
PTFT0805L0030JV
THERMISTOR PTC 3 OHM 5% 0805
KTY11-7
THERMISTOR PTC 2.03K OHM 3% TO92
PTGLS8ARR27M1B51B0
THERMISTOR PTC 16V 0.27 OHM 120C