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C921U821KZYDAA

Description
Ceramic Disc Capacitors
CategoryPassive components   
File Size2MB,16 Pages
ManufacturerKEMET
Websitehttp://www.kemet.com
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C921U821KZYDAA Overview

Ceramic Disc Capacitors

C921U821KZYDAA Parametric

Parameter NameAttribute value
Product CategoryCeramic Disc Capacitors
ManufacturerKEMET
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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