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| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | Mounting Type | Current | Accuracy | Termination | Package / Case | Temperature Coefficient |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PTCSSLVT131DBE | Electro-Films (EFI) / Vishay | THERMISTOR PTC 100 OHM RADIAL | PTCSSLVT | - | - | PCB, Through Hole | - | - | - | Radial | - | |
| PTCCL21H591HBE | Electro-Films (EFI) / Vishay | THERMISTOR PTC | - | - | - | - | - | - | - | - | - | |
| PTCCL21H421HBE | Electro-Films (EFI) / Vishay | THERMISTOR PTC | - | - | - | - | - | - | - | - | - | |
| RL2006-100-50-30-PTE | Advanced Sensors / Amphenol | THERMISTOR PTC 150 OHM 5% TO220 | RL2006 | - | Bulk | Through Hole | - | - | - | TO-220-2 | - | |
| PTCCL21H202DBE | Electro-Films (EFI) / Vishay | THERMISTOR PTC RADIAL LEAD DISC | - | -40°C ~ 85°C | - | Through Hole | - | - | - | Disc, 20.5mm Dia x 4.0mm W | - | |
| PTFM04BG222Q2N34B0 | Murata Electronics | THERMISTOR PTC 2.2K OHM BEAD | Posistor® | -10°C ~ 40°C | Bulk | Through Hole | - | - | - | Bead with Terminal | - | |
| B59801D130A40 | EPCOS | THERMISTOR PTC 100 OHM RADIAL | B59801 | 90°C ~ 120°C | Bulk | PCB, Through Hole | - | - | - | Radial | - | |
| PTCSC17T155DBE | Electro-Films (EFI) / Vishay | THERMISTOR PTC 5% RECTANGULAR | - | -20°C ~ 165°C | - | Clamp On | - | - | - | Rectangular | - | |
| P5005C135S500H | Agastat Relays / TE Connectivity | THERMISTOR PTC 5 OHM COIN | - | -40°C ~ 150°C | Bulk | Clamp On | - | - | - | Coin | - | |
| PTCTL4MR250STE | Electro-Films (EFI) / Vishay | THERMISTOR PTC 25 OHM 20% RADIAL | PTCTL | 0°C ~ 70°C | Tape & Reel (TR) | Through Hole | - | - | - | Disc, 8.5mm Dia x 4.0mm W | - |
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.