This document introduces the ceramic AC capacitors from Vishay Draloric, including X1 class 440VAC and Y2 class 250VAC. The document provides information about the rated voltage, dielectric strength, dissipation factor, and insulation resistance of the products.
This datasheet describes the Vishay WYO series of ceramic AC capacitors, covering Class X1 (440 V AC) and Class Y2 (250 V AC) types. It lists electrical characteristics such as rated voltage, dielectric strength, dissipation factor, insulation resistance, temperature range, and coating details, as well as mechanical dimensions and impedance versus frequency.
The document also includes ordering information, standard lead configurations, approval marks, RoHS compliance statements, and legal disclaimer notes. It is intended for designers and purchasing engineers who need precise technical data for component selection.
| Rated Voltage (Class X1) | 440 V AC, 50 Hz |
|---|---|
| Rated Voltage (Class Y2) | 250 V AC, 50 Hz |
| Dielectric Strength Between Leads | 2500 V AC, 50 Hz, 2 s |
| Dissipation Factor (tan δ) | ≤ 25 × 10⁻³ |
| Insulation Resistance | ≥ 6 × 10⁹ Ω |
| Temperature Range | -40 °C to +125 °C |
| Coating | Epoxy, dipped, insulating, flame‑retarding (UL 94V‑0) |
| RoHS Compliance | Yes |
The dielectric strength between leads is tested at 2500 V AC for 2 seconds at 50 Hz.
Yes, the WYO series is marked as RoHS compliant.
They use an epoxy, dipped, insulating coating that is flame‑retarding to UL 94V‑0 standards.