WKO Series
Vishay Draloric
www.vishay.com
AC Line Rated Ceramic Disc Capacitors
Class X1, 440 VAC, Class Y2, 300 VAC
FEATURES
• Complying with IEC 60384-14 4th edition
• High reliability
• Wide range of different leadstyles
• Singlelayer AC disc safety capacitors
• Material categorization: for definitions of
compliance please see www.vishay.com/doc?99912
APPLICATIONS
• X1, Y2 according to IEC 60384-14.4
• Line-by-pass
• EMI / RFI suppression and filtering
LINKS TO ADDITIONAL RESOURCES
3
D
DESIGN
3D Models
The capacitors consist of ceramic disc both sides of which
are silver plated. Connection leads are made of tinned
copper having diameters of 0.6 mm or 0.8 mm.
QUICK REFERENCE DATA
The capacitors may be supplied with straight or kinked
leads having a lead spacing of 7.5 mm or 12.5 mm.
DESCRIPTION
VALUE
Y5S,
Ceramic Class
1
2
Coating is made of blue colored flame retardant epoxy resin
in accordance with UL 94 V-0.
Y5S,
Y5T,
Y5U
Ceramic Dielectric
N750
300
N750
Y5T,
Y5U
Voltage (VAC
)
440
300
440
CAPACITANCE RANGE
33 pF to 4.7 nF
Min. Capacitance (pF)
Max. Capacitance (pF)
Mounting
33
47
68
4700
TOLERANCE ON CAPACITANCE
Radial
10 ꢀ, 20 ꢀ
MARKING
RATED VOLTAGE
Marking indicates series, AC rating, capacitance, tolerance
code, and approvals.
• X1:
440 VAC, 50 Hz (IEC 60384-14.4)
440 VAC, 50 Hz / 60 Hz (US/UL/CSA 60384-14)
OPERATING TEMPERATURE RANGE
-40 °C to +125 °C
• Y2:
300 VAC, 50 Hz (IEC 60384-14.4)
300 VAC, 50 Hz / 60 Hz (US/UL/CSA 60384-14)
TEST VOLTAGE
TEMPERATURE CHARACTERISTICS
• 2600 VAC, 50 Hz, 2 s
Component test (100 ꢀ)
Class 1
N750 (U2J)
• 2600 VAC, 50 Hz, 60 s Random sampling test (destructive)
• 2600 VAC, 50 Hz, 60 s Voltage proof of coating (destructive)
Class 2
Y5S, Y5T, Y5U
SECTIONAL SPECIFICATIONS
INSULATION RESISTANCE AT 500 VDC
Climatic category (according to EN 60058-1)
≥ 6000 MΩ (60 s)
Class 1
Class 2
40/125/21
40/125/21
DISSIPATION FACTOR
Class 1:
max. 0.5 ꢀ (1 MHz)
APPROVALS
Class 2:
max. 2.5 ꢀ (1 kHz)
IEC 60384-14.4
UL 60384-14.1
CSA E60384-1:03 2nd edition, CSA E60384-14:09 2nd edition
Revision: 22-Mar-2021
Document Number: 22204
1
For technical questions, contact: slcap@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000