820541311 is a 14mm diameter varistor with a rated voltage of 340V, maximum voltage of 4500V, maximum current of 130A, maximum power of 0.6W and maximum energy of 57.0J. It is certified by UL, CSA and VDE.
This document provides the specification for the Wurth Elektronik 820541311 standard varistor disc (14 mm diameter). It lists the electrical characteristics such as breakdown voltage, clamping voltage and rated power, as well as mechanical dimensions and marking codes.
The sheet also details packaging options (tape‑and‑reel, bulk), environmental and reliability test procedures, and handling instructions including lead‑free soldering temperatures and storage limits. This manual is written in German.
| Diameter | 14 mm |
|---|---|
| Rated Power | 0.6 W |
| Energy | 57.0 J |
| Capacitance | 840 pF |
| UL Certification | yes |
| CSA Certification | yes |
| VDE Certification | yes |
| Storage Temperature Range | -40 °C to +125 °C |
| Insulation Resistance (DC 500 V) | > 1000 MΩ |
| Lead‑Free Soldering Temperature | 255 °C +45 °C |
The varistor is rated at 0.6 W.
It can be stored between –40 °C and +125 °C.
The impulse current is applied 1 000 times with a 30 s interval at room temperature; the voltage change must stay within +10 %.