VISHAY WYO Ceramic AC Capacitors Data Manual
Summary
Discover high-reliability Ceramic AC Capacitors designed for critical electrical applications. This manual provides comprehensive technical data and specifications for Draloric Class X1 and Y2 capacitors, featuring voltage ratings up to 440V/250V AC and operating in extreme temperature ranges (-40 to +125°C). It covers detailed physical dimensions, testing standards, and necessary ordering codes. Essential documentation for electrical engineers and designers needing stable, high-performance components for power filtering, coupling, or line-by-line applications.
Page 1 Text Content
WYO Vishay Draloric
Ceramic AC Capacitors Class X1, 440 VAC/Class Y2, 250 VAC
DESIGN:
D Max.
S Max. Disc capacitors with epoxy coating
Ro HS
3 Max. RATED VOLTAGE UR:
COMPLIANT
(X1): 440 VAC, 50 Hz (IEC 60384-14.2) (Y2): 250 VAC, 50 Hz (IEC 60384-14.2)
F ± 1 250 VAC, 60 Hz (UL1414, CSA C22.2)
2. DIELECTRIC STRENGTH BETWEEN LEADS: n F n F Component test:
2500 VAC, 50 Hz, 2 s, for parts with pitch ≥ 7.5 mm
• Dimensions in mm As repeated test admissible only once with
2000 VAC, 50 Hz, 2 s
Impedance (Z) as a function of frequency
Random sampling test (destructive test):
(f) at Ta = 20 °C (average). Measurement with lead length 6 mm.
1500 VAC, 50 Hz, 60 s
DIELECTRIC STRENGTH OF BODY INSULATION:
2000 VAC, 50 Hz, 60 s (destructive test)
DISSIPATION FACTOR tan δ:
INSULATION RESISTANCE Ris:
CATEGORY TEMPERATURE RANGE ϑA:
(- 40 to + 125) °C
CLIMATIC CATEGORY ACC. TO EN60068-1:
[MHz]
I = f (UR) (typ.)
COATING:
Epoxy, dipped, insulating, flame retarding acc. to
UL 94V-0
TAPING AND SPECIAL LEAD CONFIGURATIONS:
On request
MARKING (EXAMPLE):
WYO 4n7 M
IEC 384-14/2
1.0 n F WYO 2n2 M
WYO 1 n F to 2.5 n F WYO 3.3 n F to 12 n F
All approval marks are also shown on the label.
www.vishay.com For technical questions contact: [email protected] Document Number: 22202
Revision: 31-Jan-06
Page Summary Contents For VISHAY WYO Ceramic AC Capacitors Data Manual
Manual Details
| Brand | Vishay |
|---|---|
| Pages | 3 |
| File Size | 322.02 KB |
| Published | May 28, 2026 |
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Frequently Asked Questions
What are the two primary voltage ratings available?
The capacitors come in X1 at 440 V, 50 Hz AC and Y2 at 250 V, 50 Hz AC.
What is the maximum operating temperature range?
They are rated for a temperature range of -40 to +125 °C (Category $\vartheta$).