The product is a 14mm diameter MOV diode with an rated voltage of 200V, rated power of 0.6W, maximum current of 130A, maximum surge current of 340A and rated capacitance of 70.0pF. It is certified by UL, CSA and VDE.
The document provides the electrical, mechanical and environmental specifications for the standard disc varistor 820571311 manufactured by Wurth Elektronik. It includes breakdown voltage, clamping voltage, peak current, power rating, energy and capacitance values, as well as certification information (UL, CSA, VDE).
Additional sections describe the physical dimensions, tape‑and‑reel packaging, soldering requirements, and detailed test conditions such as humidity, temperature cycling, vibration and load tests required for product release. This manual is written in German.
| Part Number | 820571311 |
|---|---|
| Diameter | 7 mm |
| Maximum Operating Temperature | +125 °C |
| Lead‑free Soldering Temperature | 255 °C +45 °C (up to 270 °C for 10 s) |
The nominal varistor voltage is 330 V, with a test voltage of 1000 Vrms for the body insulation rating.
The varistor can be stored from –40 °C up to +125 °C.
Use lead‑free tin 100 % solder with a peak temperature of 255 °C plus a 45 °C ramp, up to 270 °C for 10 seconds.