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| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | Mounting Type | Current | Accuracy | Termination | Package / Case | Temperature Coefficient |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B59601A0135A062 | EPCOS | THERMISTOR PTC 470 OHM 50% 0603 | B59601 | -40°C ~ 125°C | Tape & Reel (TR) | Surface Mount | - | - | - | 0603 (1608 Metric) | - | |
| 202PS1J | U.S. Sensor | THERMISTOR PTC 2K OHM 5% DO35 | PTC | -50°C ~ 150°C | Bulk | Through Hole | - | - | - | DO-204AH, DO-35, Axial | - | |
| TFPT1206L1002FZ | Dale / Vishay | THERMISTOR PTC 10K OHM 1% 1206 | TFPT | -55°C ~ 150°C | Tape & Reel (TR) | Surface Mount | - | - | - | 1206 (3216 Metric) | - | |
| PTFT0805L0100JW | Dale / Vishay | THERMISTOR PTC 10 OHM 5% 0805 | PTFT | -55°C ~ 125°C | Tape & Reel (TR) | Surface Mount | - | - | - | 0805 (2012 Metric) | - | |
| RL2006-100-50-30-PTD | Advanced Sensors / Amphenol | THERMISTOR PTC 150 OHM 5% TO220 | RL2006 | - | Bulk | Through Hole | - | - | - | TO-220-2 | - | |
| PRF18BB471QB5RB | Murata Electronics | THERMISTOR PTC 470 OHM 50% 0603 | POSISTOR® PRF18/21 | -20°C ~ 140°C | Cut Tape (CT) | Surface Mount | - | - | - | 0603 (1608 Metric) | - | |
| TFPT0603L3300JM | Dale / Vishay | THERMISTOR PTC 330 OHM 5% 0603 | TFPT | -55°C ~ 150°C | Tape & Reel (TR) | Surface Mount | - | - | - | 0603 (1608 Metric) | - | |
| TFPT0603L6800KY | Dale / Vishay | THERMISTOR PTC 680 OHM 10% 0603 | TFPT | -55°C ~ 150°C | Tape & Reel (TR) | Surface Mount | - | - | - | 0603 (1608 Metric) | - | |
| B59881C0135A070 | EPCOS | THERMISTOR PTC 70 OHM 25% DISC | - | -40°C ~ 125°C | Bulk | Through Hole | - | - | - | Disc, 6.5mm Dia x 5.0mm W | - | |
| KTY82/121,235 | NXP Semiconductors / Freescale | THERMISTOR PTC 990 OHM TO236AB | KTY82 | -55°C ~ 150°C | Tape & Reel (TR) | Surface Mount | - | - | - | TO-236-3, SC-59, SOT-23-3 | - |
Positive temperature coefficient (PTC) thermistors are temperature-sensitive resistors whose resistance increases significantly with temperature rise. PTC thermistors are typically made of ceramic materials doped with metal oxides and exhibit a nonlinear resistance-temperature characteristic. They find applications in overcurrent protection, motor starting, temperature sensing, and temperature compensation circuits. PTC thermistors offer self-regulating characteristics, where their resistance increases sharply when the operating temperature exceeds a certain threshold, limiting current flow and providing inherent overcurrent protection. PTC thermistors also find applications in temperature compensation circuits and inrush current limiters, where their resistance changes with temperature variations to control current flow and stabilize operating conditions.