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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TFPT0805L3901FM
THERMISTOR PTC 3.9K OHM 1% 0805
B59880C0120A570
THERMISTOR PTC 70 OHM 25% RADIAL
PRF15BA102RB6RC
THERMISTOR PTC 1K OHM 5% 0402
B59721A0070A062
THERMISTOR PTC 680 OHM 50% 0805
TFPT1206L1200FV
THERMISTOR PTC 120 OHM 1% 1206
TFPTL10L4700FL2B
THERMISTOR PTC 470 OHM 1% RADIAL
TFPTL15L2200FL2B
THERMISTOR PTC 220 OHM 1% RADIAL
TFPT0805L1500FM
THERMISTOR PTC 150 OHM 1% 0805
KTY83/122,113
THERMISTOR PTC 1.01K OHM DO34
B59102R0090A010
THERMISTOR PTC 700 OHM 50% RECT
TFPT1206L1000JV
THERMISTOR PTC 100 OHM 5% 1206
PRF15BF102RB6RC
THERMISTOR PTC 1K OHM 5% 0402
TFPT1206L3901JV
THERMISTOR PTC 3.9K OHM 5% 1206
TFPT1206L1000FM
THERMISTOR PTC 100 OHM 1% 1206
TFPT0603L2700JM
THERMISTOR PTC 270 OHM 5% 0603
TFPTL15L1201FL2T
THERMISTOR PTC 1.2K OHM 1% RAD
02-P4R7-1
THERMISTOR PTC 4.7 OHM
PTCCL17H401HBE
THERMISTOR PTC
TMP6131DECT
SENSOR PTC 10KOHM 1% X1SON
B59102R0240A010
THERMISTOR PTC 1K OHM 50% RECT