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C921U821KYYDBA

Description
Ceramic Disc Capacitors
CategoryPassive components   
File Size2MB,16 Pages
ManufacturerKEMET
Websitehttp://www.kemet.com
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C921U821KYYDBA Overview

Ceramic Disc Capacitors

C921U821KYYDBA Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerKEMET
Product CategoryCeramic Disc Capacitors
Radial Leaded Ceramic Disc Capacitors
Safety Standard Recognized, C900, Encapsulated,
AC Type, X1 440 VAC/Y2 300 VAC (Industrial Grade)
Overview
KEMET’s 900 encapsulated radial leaded ceramic disc
capacitors are specifically designed for interference-sup-
pression AC line filtering applications. Having internation-
ally recognized safety certifications, these capacitors are
well-suited for applications that require keeping potentially
disruptive or damaging line transients and EMI out of sus-
ceptible equipment. They are also an ideal solution when
needing to suppress line disturbances at the source.
Safety Certified Capacitors are classified as either X and/
or Y capacitors. Class X capacitors are primarily used in
line-to-line (across-the-line) applications. In this applica-
tion, there is no danger of electric shock to humans should
the capacitor fail, but could result in a risk of fire. The class
Y capacitor is primarily used in line-to-ground (line by-pass)
applications. In this application, failure of the capacitor
could lead to danger of electric shock.
With a working voltage of 440 VAC in line-to-line (Class X)
and 300 VAC in line-to-ground (Class Y) applications, these
safety capacitors meet the impulse test criteria outlined in
IEC Standard 60384. Meeting subclass X1 and Y2 require-
ments, these devices are certified to withstand impulses up
to 4 KV (X1) and 5 KV (Y2) respectively. These encapsulated
devices also meet the flame test requirements outlined in UL
Standard 94V–0.
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Ordering Information
C9
Ceramic
Series
C9 =
Ceramic
900
Series
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7
Body
Diameter
0 = 7.0 mm
1 = 8.0 mm
2 = 9.0 mm
3 = 10.0 mm
4 = 11.0 mm
6 = 13.0 mm
8 = 15.0 mm
1
Lead
Spacing
1,2,4
7 = 7.5 mm
1 = 10.0
mm
U
Spec.
U=
Safety
472
M
Z
W
D
A
Lead
Config.
1,3,4
A = Straight
B = Vertical
Kink
C = Outside
Kink
D = Inside
Kink
A
Failure
Rate
A=
N/A
7317
Packaging
(C-Spec)
See
"Packaging
C-Spec
Ordering
Options
Table"
below
Capacitance Capacitance
Code (pF)
Tolerance
Two
significant
digits and
number of
zeroes
J = ±5%
K = ±10%
M = ±20%
Rated
Dielectric/
Design
Voltage Temp. Char.
Z = X1
440 VAC
/Y2 300
VAC
S = SL
Y = Y5P
W = Y5U
V = Y5V
D=
Disc
Due to a high risk of arcing, "Inside Kink" lead configuration cannot be combined with the 5 mm lead spacing option. The "Inside Kink" option is only
available on capacitors with lead spacing of 7.5 mm or greater. A potential for arcing may exist when combining the "Inside Kink" lead configuration
with a 7.5mm lead spacing option, especially in high humidity environments and/or when exposure to voltages and transients may impact creepage and
clearance requirements.
2
Capacitor body diameter will limit available lead spacing and packaging options. See "Dimensions" and "Product Ordering Codes and Ratings" sections
of this document to determine availability.
3
"Vertical Kink", "Outside Kink" and "Inside Kink" lead configurations cannot be combined with the bulk/20 mm lead length option (WL20). 20 mm lead
length is only available on capacitors with straight leads (lead configuration ordering code "A"). For nonstandard lead length inquiries, please contact
KEMET.
4
Bulk packaging lead length availability is dependent upon "Lead Configuration" and "Lead Spacing." See "Dimensions" section of this document to
verify availability of a specific lead length option. For nonstandard lead length inquiries, please contact KEMET.
1
One world. One KEMET
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
C1065_X1_440 VAC_Y2_300 VAC • 8/4/2017
1

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