WKO Series
www.vishay.com
Vishay Draloric
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
LINKS TO ADDITIONAL RESOURCES
• EMI / RFI suppression and filtering
3D 3D
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
DESCRIPTION
Ceramic Dielectric
Voltage (VAC)
The capacitors may be supplied with straight or kinked
leads having a lead spacing of 7.5 mm or 12.5 mm.
VALUE
Ceramic Class
1
N750
300
2
N750
Y5S,
Y5T,
Y5U
440
300
Min. Capacitance (pF)
33
68
Max. Capacitance (pF)
47
4700
Mounting
Y5S,
Y5T,
Y5U
Coating is made of blue colored flame retardant epoxy resin
in accordance with UL 94 V-0.
440
CAPACITANCE RANGE
Radial
33 pF to 4.7 nF
TOLERANCE ON CAPACITANCE
± 10 %, ± 20 %
MARKING
Marking indicates series, AC rating, capacitance, tolerance
code, and approvals.
OPERATING TEMPERATURE RANGE
RATED VOLTAGE
• X1:
440 VAC, 50 Hz (IEC 60384-14.4)
440 VAC, 50 Hz / 60 Hz (US/UL/CSA 60384-14)
• Y2:
300 VAC, 50 Hz (IEC 60384-14.4)
300 VAC, 50 Hz / 60 Hz (US/UL/CSA 60384-14)
-40 °C to +125 °C
TEMPERATURE CHARACTERISTICS
Class 1
Class 2
TEST VOLTAGE
N750 (U2J)
• 2600 VAC, 50 Hz, 2 s
Component test (100 %)
Y5S, Y5T, Y5U
• 2600 VAC, 50 Hz, 60 s
Random sampling test (destructive)
• 2600 VAC, 50 Hz, 60 s
Voltage proof of coating (destructive)
SECTIONAL SPECIFICATIONS
Climatic category (according to EN 60058-1)
INSULATION RESISTANCE AT 500 VDC
Class 1
40/125/21
≥ 6000 MΩ (60 s)
Class 2
40/125/21
DISSIPATION FACTOR
APPROVALS
Class 1:
max. 0.5 % (1 MHz)
IEC 60384-14.4
UL 60384-14.1
CSA E60384-1:03 2nd edition, CSA E60384-14:09 2nd edition
Class 2:
max. 2.5 % (1 kHz)
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
WKO Series
www.vishay.com
Vishay Draloric
DIMENSIONS in millimeters
Smax.
3.0 max.
Dmax.
V
F
30 - 3
or 10 ± 1
Ø d ± 0.05
TECHNICAL DATA
CAPACITANCE (2)
C (pF)
CAPACITANCE
TOLERANCE
BODY
DIAMETER
DMAX. (mm)
BODY
THICKNESS
SMAX. (mm)
LEAD
SPACING (1)
F (mm)
± 1 mm
LEAD
DIAMETER (1)
d (mm)
± 0.05 mm
WIDTH (1)
V (mm)
± 0.5 mm
N750 (U2J)
33
± 10 %,
8.0
5.0
7.5
0.6
1.6
± 20 %
47
Y5S (2C3)
68
± 10 %,
8.0
5.0
7.5
0.6
1.9
± 20 %
100
Y5T (2D3)
150
± 10 %,
220
8.0
5.0
7.5
0.6
1.9
± 20 %
330
Y5U (2E3)
470
8.0
0.6
2.0
680
9.0
1000
10.0
7.5
1500
12.0
± 10 %,
5.0
± 20 %
2200
13.0
0.8
1.6
3300
15.0
3900
16.0
4700
18.0
12.5
Notes
(1) Standard lead configuration, other lead spacing and diameter available on request
(2) Capacitance values from 1 nF to 4.7 nF: the alternative usage of VKO series is recommended for new application
PART NUMBER
MISSING DIGITS
SEE ORDERING
CODE BELOW
WKO330#CP###KR
WKO470#CP###KR
WKO680#CP###KR
WKO101#CP###KR
WKO151#CP###KR
WKO221#CP###KR
WKO331#CP###KR
WKO471#CP###KR
WKO681#CP###KR
WKO102#CP###KR
WKO152#CP###KR
WKO222#CP###KR
WKO332#CP###KR
WKO392#CP###KR
WKO472#CP###KR
ORDERING CODE
7th digit
10th to 12th digit
WKO
#
###
Example
Series
Capacitance tolerance
Lead configuration
222
M
Capacitance
Tolerance code
value
± 10 % = K, ± 20 % = M
see “General Information”
CP
CJ0
Lead
Voltage code
configuration
K
Internal code
R
RoHS
compliant
MARKING
WKO
440~X1
300~Y2
33p M
WKO 33 pF to 1.0 nF
Revision: 22-Mar-2021
WKO 2n2 M
IEC 384-14
440 300 250~
X1 Y2
WKO 1.5 nF to 4.7 nF
Document Number: 22204
2
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
WKO Series
www.vishay.com
Vishay Draloric
APPROVALS
IEC 60384-14.4 - Safety tests
This approval together with CB test certificate substitutes all national approvals.
CB Certificate
Y2-capacitor: CB test certificate:
US-26157-UL
33 pF to 4.7 nF
300 VAC
X1-capacitor: CB test certificate:
US-26157-UL
33 pF to 4.7 nF
440 VAC
Minimum thickness of insulation: 0.4 mm
VDE
Y2-capacitor: VDE marks approval:
136820
33 pF to 4.7 nF
300 VAC
X1-capacitor: VDE marks approval:
136820
33 pF to 4.7 nF
440 VAC
DIN EN 60384-14 VDE 0565-1-1:2006-04 - Safety tests
Minimum thickness of insulation: 0.4 mm
Underwriters Laboratories Inc. / Canadian Standards Association
Y2-capacitor: UL-test certificate:
E183844
33 pF to 4.7 nF
300 VAC
X1-capacitor: UL-test certificate:
E183844
33 pF to 4.7 nF
440 VAC
UL 60384-14.1, CSA E60384-1:03 2nd edition, CSA E60384-14:09 2nd edition
Across-the-line, antenna-coupling and line-by-pass component
Minimum thickness of insulation: 0.4 mm
3000
IMPEDANCE VS. FREQUENCY (typical)
Z (Ω)
I (μA)
LEAKAGE CURRENT VS. VOLTAGE (typical)
10
4.7 nF
2000
1
4700 pF
3900 pF
3300 pF
2200 pF
1500 pF
1000 pF
680 pF
470 pF
330 pF
220 pF
150 pF
100 pF
68 pF
47 pF
33 pF
3.3 nF
2.2 nF
1000
0.1
1 nF
0
0.01
0
500
1000
1500
2000
2500
1
10
100
UR (V~)
1000
f (MHz)
RELATED DOCUMENTS
General Information
www.vishay.com/doc?22001
CB Test Certificate
www.vishay.com/doc?22217
VDE Marks Approval
www.vishay.com/doc?22219
UL Test Certificate
www.vishay.com/doc?22218
Revision: 22-Mar-2021
Document Number: 22204
3
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
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
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Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
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Revision: 01-Jan-2021
1
Document Number: 91000