WKO Series
www.vishay.com
Vishay Draloric
AC Line Rated Ceramic Disc Capacitors
Class X1, 440 V
AC
, Class Y2, 300 V
AC
FEATURES
• Complying with IEC 60384-14 4
th
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
DESIGN SUPPORT TOOLS
Models
Available
click logo to get started
DESIGN
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.
VALUE
QUICK REFERENCE DATA
DESCRIPTION
Ceramic Class
Ceramic Dielectric
Voltage (V
AC
)
Min. Capacitance (pF)
Max. Capacitance (pF)
Mounting
N750
300
33
47
Radial
1
N750
440
Y5S,
Y5T,
Y5U
300
68
4700
2
Y5S,
Y5T,
Y5U
440
The capacitors may be supplied with straight or kinked
leads having a lead spacing of 7.5 mm or 12.5 mm.
Coating is made of blue colored flame retardant epoxy resin
in accordance with UL 94 V-0.
CAPACITANCE RANGE
33 pF to 4.7 nF
TOLERANCE ON CAPACITANCE
± 10 %, ± 20 %
MARKING
Marking indicates series, AC rating, capacitance, tolerance
code, and approvals.
RATED VOLTAGE
• X1:
• Y2:
440 V
AC
, 50 Hz (IEC 60384-14.4)
440 V
AC
, 50 Hz / 60 Hz (US/UL/CSA 60384-14)
300 V
AC
, 50 Hz (IEC 60384-14.4)
300 V
AC
, 50 Hz / 60 Hz (US/UL/CSA 60384-14)
OPERATING TEMPERATURE RANGE
-40 °C to +125 °C
TEST VOLTAGE
• 2600 V
AC
, 50 Hz, 2 s
Component test (100 %)
• 2600 V
AC
, 50 Hz, 60 s Random sampling test (destructive)
• 2600 V
AC
, 50 Hz, 60 s Voltage proof of coating (destructive)
TEMPERATURE CHARACTERISTICS
Class 1
Class 2
N750 (U2J)
Y5S, Y5T, Y5U
SECTIONAL SPECIFICATIONS
Climatic category (according to EN 60058-1)
Class 1
Class 2
40/125/21
40/125/21
INSULATION RESISTANCE AT 500 V
DC
6000
M (60 s)
DISSIPATION FACTOR
Class 1:
Class 2:
max. 0.5 % (1 MHz)
max. 2.5 % (1 kHz)
APPROVALS
IEC 60384-14.4
UL 60384-14.1
CSA E60384-1:03 2
nd
edition, CSA E60384-14:09 2
nd
edition
Revision: 29-Mar-18
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
D
max.
3.0 max.
S
max.
V
F
30 - 3
or 10 ± 1
Ø d ± 0.05
TECHNICAL DATA
CAPACITANCE
(2)
C (pF)
CAPACITANCE
TOLERANCE
BODY
DIAMETER
D
MAX.
(mm)
BODY
THICKNESS
S
MAX.
(mm)
LEAD
SPACING
(1)
F (mm)
± 1 mm
LEAD
DIAMETER
(1)
d (mm)
± 0.05 mm
WIDTH
(1)
V (mm)
± 0.5 mm
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
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
ORDERING CODE
#
###
Example
7
th
digit
10
th
to 12
th
digit
WKO
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 2n2 M
IEC 384-14/2
440 300 250~
X1 Y2
WKO
440~X1
300~Y2
33p M
WKO 33 pF to 1.0 nF
WKO 1.5 nF to 4.7 nF
Revision: 29-Mar-18
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:
X1-capacitor: CB test certificate:
Minimum thickness of insulation: 0.4 mm
VDE
Y2-capacitor: VDE marks approval:
X1-capacitor: VDE marks approval:
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:
X1-capacitor: UL-test certificate:
E183844
E183844
33 pF to 4.7 nF
33 pF to 4.7 nF
300 V
AC
440 V
AC
136820
136820
33 pF to 4.7 nF
33 pF to 4.7 nF
300 V
AC
440 V
AC
US-26157-UL
US-26157-UL
33 pF to 4.7 nF
33 pF to 4.7 nF
300 V
AC
440 V
AC
UL 60384-14.1, CSA E60384-1:03 2
nd
edition, CSA E60384-14:09 2
nd
edition
Across-the-line, antenna-coupling and line-by-pass component
Minimum thickness of insulation: 0.4 mm
LEAKAGE CURRENT VS. VOLTAGE
(typical)
I (μA)
3000
IMPEDANCE VS. FREQUENCY
(typical)
Z (Ω)
10
4.7 nF
2000
3.3 nF
2.2 nF
1000
1 nF
0.1
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
0
0
500
1000
1500
2000
2500
0.01
1
10
100
1000
U
R
(V~)
f (MHz)
RELATED DOCUMENTS
General Information
CB Test Certificate
VDE Marks Approval
UL Test Certificate
www.vishay.com/doc?22001
www.vishay.com/doc?22217
www.vishay.com/doc?22219
www.vishay.com/doc?22218
Revision: 29-Mar-18
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
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document
or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
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