# MZ13 Series PTC Thermistors for Overcurrent Protection

> Disc PTC thermistors for overcurrent protection in high-voltage AC circuits. Rated voltage 260–700 VAC, resistance 10–1,000 Ω. List of STE part numbers on request.

- Series code: MZ13
- Product line: [Thermistors (NTC / PTC)](https://www.songtian-ste.com/en/products/thermistors/) › PTC thermistors for overcurrent and overload protection
- Part numbers: Part-number list on request
- Page: https://www.songtian-ste.com/en/products/ptc-thermistors/mz13/
- Chinese version: https://www.songtian-ste.com/zh/products/ptc-thermistors/mz13/
- [Ask AI about this series](https://www.songtian-ste.com/en/products/ptc-thermistors/mz13/?ask=Help%20me%20choose%20a%20part%20from%20the%20STE%20MZ13%20series.)

## Key specifications

| Parameter | Value |
| --- | --- |
| Rated voltage | 260–700 VAC |
| Resistance | 10–1,000 Ω |
| Disc size | Φ13–Φ24 |
| Operating temperature | −20 °C to +85 °C |

## Engineering details

Full specifications and part numbering on request.

## Datasheets & approval documents

Documents for this series are available on request.

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