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| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | Mounting Type | Current | Accuracy | Termination | Package / Case | Temperature Coefficient |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B59041R0220A010 | EPCOS | THERMISTOR PTC 6.4 OHM 50% RECT | - | -40°C ~ 200°C | Tray | Surface Mount | - | - | - | Rectangular Disc | - | |
| KTY82/210,235 | 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 | - | |
| TFPT1206L6801JZ | Dale / Vishay | THERMISTOR PTC 6.8K OHM 5% 1206 | TFPT | -55°C ~ 150°C | Tape & Reel (TR) | Surface Mount | - | - | - | 1206 (3216 Metric) | - | |
| TFPT0603L3300FV | Dale / Vishay | THERMISTOR PTC 330 OHM 1% 0603 | TFPT | -55°C ~ 125°C | Original-Reel® | Surface Mount | - | - | - | 0603 (1608 Metric) | - | |
| B59053A0150A010 | EPCOS | THERMISTOR PTC 4.2K OHM 35% COIN | - | -40°C ~ 200°C | Tray | Clamp On | - | - | - | Coin 8.0mm Dia x 3.2mm W | - | |
| B59950C80A51 | EPCOS | THERMISTOR PTC RADIAL LEAD DISC | - | - | Tape & Reel (TR) | Through Hole | - | - | - | Disc | - | |
| TFPT0603L8200JV | Dale / Vishay | THERMISTOR PTC 820 OHM 5% 0603 | TFPT | -55°C ~ 150°C | Tape & Reel (TR) | Surface Mount | - | - | - | 0603 (1608 Metric) | - | |
| TFPT0805L2001JF | Dale / Vishay | THERMISTOR PTC 200 OHM 5% 0805 | TFPT | -55°C ~ 150°C | Tape & Reel (TR) | Surface Mount | - | - | - | 0805 (2012 Metric) | - | |
| B59102R0220A010 | EPCOS | THERMISTOR PTC 1K OHM 50% RECT | - | -40°C ~ 200°C | Tray | Surface Mount | - | - | - | Rectangular Disc | - | |
| TFPT0603L3900JV | Dale / Vishay | THERMISTOR PTC 390 OHM 5% 0603 | TFPT | -55°C ~ 125°C | Tape & Reel (TR) | Surface Mount | - | - | - | 0603 (1608 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.