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| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | Mounting Type | Current | Accuracy | Termination | Package / Case | Temperature Coefficient |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B59752C0120A070 | EPCOS | THERMISTOR PTC 80 OHM 25% DISC | Automotive, AEC-Q200 | -40°C ~ 125°C | Bulk | Through Hole | - | - | - | Disc, 11.5mm Dia x 6.0mm W | - | |
| P5010D050S401H | Agastat Relays / TE Connectivity | THERMISTOR PTC 40 OHM COIN | - | -40°C ~ 150°C | Bulk | Clamp On | - | - | - | Coin | - | |
| B59100C70A70 | EPCOS | THERMISTOR PTC 100 OHM RADIAL | B59100 | 90°C ~ 150°C | Bulk | PCB, Through Hole | - | - | - | Radial | - | |
| TFPT1206L3301FM | Dale / Vishay | THERMISTOR PTC 3.3K OHM 1% 1206 | TFPT | -55°C ~ 125°C | Tape & Reel (TR) | Surface Mount | - | - | - | 1206 (3216 Metric) | - | |
| YQR100R070 | Advanced Sensors / Amphenol | THERMISTOR PTC 70 OHM 25% BEAD | YQ | 0°C ~ 60°C | Bulk | Through Hole | - | - | - | Bead with Terminal | - | |
| B59050D1100B040 | EPCOS | THERMISTOR PTC 60 OHM 30% CYLIND | - | -55°C ~ 100°C | Bulk | Free Hanging | - | - | - | Cylinder, Metal | - | |
| TFPT0603L8200KV | Dale / Vishay | THERMISTOR PTC 820 OHM 10% 0603 | TFPT | -55°C ~ 150°C | Tape & Reel (TR) | Surface Mount | - | - | - | 0603 (1608 Metric) | - | |
| KTY81/122,112 | NXP Semiconductors / Freescale | THERMISTOR PTC 1.01K OHM PBCYT2 | KTY81 | -55°C ~ 150°C | Bulk | Through Hole | - | - | - | TO-226-2, TO-92-2 (TO-226AC) | - | |
| TFPT0805L3901JV | Dale / Vishay | THERMISTOR PTC 3.9K OHM 5% 0805 | TFPT | -55°C ~ 125°C | Tape & Reel (TR) | Surface Mount | - | - | - | 0805 (2125 Metric) | - | |
| KT130 | International Rectifier (Infineon Technologies) | THERMISTOR PTC 1K OHM 3% SOT23-3 | - | -50°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.