# SMD PTC Thermistors for Overcurrent Protection

> Surface-mount PTC thermistors for board-level overcurrent protection. Rated voltage 260–500 VAC, resistance 10–5,000 Ω. List of STE part numbers on request.

- Series code: SMD-PTC
- Product line: [Thermistors (NTC / PTC)](https://www.songtian-ste.com/en/products/thermistors/) › PTC thermistors for overcurrent and overload protection
- Also listed in: [SMD components](https://www.songtian-ste.com/en/products/smd/)
- Part numbers and datasheets on request
- Page: https://www.songtian-ste.com/en/products/smd-thermistors/smd-ptc/
- Chinese version: https://www.songtian-ste.com/zh/products/smd-thermistors/smd-ptc/
- [Ask AI about this series](https://www.songtian-ste.com/en/products/smd-thermistors/smd-ptc/?ask=Help%20me%20choose%20a%20part%20from%20the%20STE%20SMD-PTC%20series.)

## Key specifications

| Parameter | Value |
| --- | --- |
| Rated voltage | 260–500 VAC |
| Resistance | 10–5,000 Ω |
| Case size | 3225 / 4032 |
| Operating temperature | −40 °C to +85 °C |

## More in PTC thermistors

- [MZ11 Series PTC Thermistors for Overload Protection](https://www.songtian-ste.com/en/products/ptc-thermistors/mz11/)
- [MZ13 Series PTC Thermistors for Overcurrent Protection](https://www.songtian-ste.com/en/products/ptc-thermistors/mz13/)
- [MZB Series PTC Thermistors for Overload Protection](https://www.songtian-ste.com/en/products/ptc-thermistors/mzb/)