Datasheet
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1© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard F3087_P278_X1_480 • 2/20/2019
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
One world. One KEMET
Benets
• Approvals: ENEC, UL, cUL
• Rated voltage: 480 VAC 50/60 Hz
• Capacitance range: 0.001 – 0.15 µF
• Lead Spacing: 10.2 – 25.4 mm
• Capacitance tolerance: ±20%
• Climatic category: 40/110/56, IEC 60068–1
• Tape & Reel in accordance with IEC 60286–2
• RoHS compliance and lead-free terminations
• Operatingtemperaturerangeof−40°Cto+110°C
• 100% screening factory test at 2,700 VDC
• Highest possible safety regarding active
andpassiveammability
• Excellent self-healing properties that ensure long life,
even when subjected to frequent over-voltages
• Good resistance to ionization due to impregnated paper dielectric
• Impregnated paper that ensures excellent stability and reliability
properties, particularly in applications that operate continuously
Overview
Multilayer metallized paper encapsulated and impregnated
in self-extinguishing material that meets the requirements
of UL 94 V–0.
Applications
Typical applications include worldwide use as an
electromagnetic interference suppressor in all X1 and
across-the-line applications.
AC Line EMI Suppression and RC Networks
P278, Metallized Impregnated Paper,
Class X1, 480 VAC
Part Number System
P 278 H E 102 M 480 A
Capacitor Class Series
Lead Spacing
(mm)
Size Code
Capacitance
Code (pF)
Capacitance
Tolerance
Rated Voltage
(VAC)
Packaging
P = Paper X1, Metallized
Paper
H = 10.2
Q = 15.2
C = 20.3
S = 22.5
E = 25.4
See Dimension
Table
First two digits
represent
signicant
gures.Third
digitspecies
number of
zeros.
M = ±20% 480 = 480 See Ordering
Options Table
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