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| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | Mounting Type | Current | Accuracy | Termination | Package / Case | Temperature Coefficient |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B59300M1155A070 | EPCOS | THERMISTOR PTC 300 OHM RADIAL | B59300 | 90°C ~ 160°C | Bulk | PCB, Through Hole | - | - | - | Radial | - | |
| TFPT0805L1001FZ | Dale / Vishay | THERMISTOR PTC 1K OHM 1% 0805 | TFPT | -55°C ~ 150°C | Tape & Reel (TR) | Surface Mount | - | - | - | 0805 (2012 Metric) | - | |
| PRF15BG103RB6RC | Murata Electronics | THERMISTOR PTC 10K OHM 0402 | Posistor® | -20°C ~ 90°C | Tape & Reel (TR) | Surface Mount | - | - | - | 0402 (1005 Metric) | - | |
| B59042A1120B110 | EPCOS | THERMISTOR PTC 10 OHM 15% COIN | - | -20°C ~ 125°C | Tray | Clamp On | - | - | - | Coin 8.1mm Dia x 2.1mm W | - | |
| B59060A0160A010 | EPCOS | THERMISTOR PTC 9 OHM 30% DISC | - | -40°C ~ 200°C | Tray | Surface Mount | - | - | - | Disc | - | |
| TFPT0805L3300FV | Dale / Vishay | THERMISTOR PTC 330 OHM 1% 0805 | TFPT | -55°C ~ 125°C | Tape & Reel (TR) | Surface Mount | - | - | - | 0805 (2125 Metric) | - | |
| KTY82/151,215 | NXP Semiconductors / Freescale | THERMISTOR PTC 975 OHM TO236AB | KTY82 | -55°C ~ 150°C | Tape & Reel (TR) | Surface Mount | - | - | - | TO-236-3, SC-59, SOT-23-3 | - | |
| TFPT1206L1000FY | Dale / Vishay | THERMISTOR PTC 100 OHM 1% 1206 | TFPT | -55°C ~ 150°C | Tape & Reel (TR) | Surface Mount | - | - | - | 1206 (3216 Metric) | - | |
| KTY82/220,215 | NXP Semiconductors / Freescale | THERMISTOR PTC 2K OHM TO236AB | KTY82 | -55°C ~ 150°C | Tape & Reel (TR) | Surface Mount | - | - | - | TO-236-3, SC-59, SOT-23-3 | - | |
| TFPT0805L3900JY | Dale / Vishay | THERMISTOR PTC 390 OHM 5% 0805 | TFPT | -55°C ~ 150°C | Tape & Reel (TR) | Surface Mount | - | - | - | 0805 (2012 Metric) | - |
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.