AC Line EMI Suppression and RC Networks
P278, Metallized Impregnated Paper,
Class X1, 480 VAC
Overview
The P278 is constructed of multilayer metallized paper
encapsulated and impregnated in self-extinguishing
material, meeting 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.
Benefits
• Approvals: ENEC, UL, cUL
• Rated voltage: 480 VAC 50/60 Hz
• Capacitance range: 0.001 µF – 0.15 µF
• Lead Spacing: 10.2 mm – 25.4 mm
• Capacitance tolerance: ±20%
• Climatic category: 40/110/56, IEC 60068–1
• Tape and reel in accordance with IEC 60286–2
• RoHS compliance and lead-free terminations
• Operating temperature range of −40°C to +110°C
• 100% screening factory test at 2,700 VDC
• Highest possible safety regarding active
and passive flammability
• Excellent self-healing properties which ensure
long life even when subjected to frequent overvoltages
• Good resistance to ionization due to impregnated paper dielectric
• Impregnated paper ensures excellent stability and reliability
properties, particularly in applications with continuous operation
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Part Number System
P
Capacitor Class
P = Paper
278
Series
X1, Metallized
Paper
H
Lead Spacing
(mm)
H = 10.2
Q = 15.2
C = 20.3
S = 22.5
E = 25.4
E
Size Code
See Dimension
Table
102
Capacitance
Code (pF)
First two digits
represent
significant
figures. Third
digit specifies
number of
zeros.
M
Capacitance
Tolerance
M = ±20%
480
Rated Voltage
(VAC)
480 = 480
A
Packaging
See Ordering
Options Table
One world. One KEMET
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
F3087_P278_X1_480 • 6/26/2017
1
Film Capacitors – AC Line EMI Suppression and RC Networks
P278, Metallized Impregnated Paper, Class X1, 480 VAC
Ordering Options Table
Lead
Spacing
Nominal
(mm)
Type of Leads and Packaging
Standard Lead and Packaging Options
Bulk (Bag) – short leads
6 +0/−1
30 +5/−0
H
0
= 18.5 ±0.5
H
0
= 18.5 ±0.5
H
0
= 18.5 ±0.5
C
A
L
P
LAF3
R06
R30
R19T0
R19T1
R30XA
Bulk (Bag) – maximum length leads
Tape & Reel (standard reel)
Other Lead and Packaging Options
Tape & Reel (large reel)
Lead Length
(mm)
KEMET
Lead and
Packaging
Code
Legacy
Lead and
Packaging
Code
10.2
Native 10.2
formed to 7.5
Ammo Pack
Standard Lead and Packaging Options
Bulk (Bag) – short leads
6 +0/−1
30 +5/−0
H
0
= 18.5 ±0.5
H
0
= 18.5 ±0.5
C
A
L
P
R06
R30
R19T0
R19T1
15.2
Bulk (Bag) – maximum length leads
Tape & Reel (standard reel)
Other Lead and Packaging Options
Tape & Reel (Large Reel)
Standard Lead and Packaging Options
Bulk (Tray) – short leads
6 +0/−1
30 +5/−0
H
0
= 18.5 ±0.5
H
0
= 18.5 ±0.5
C
A
L
P
R06
R30
R19T0
R19T1
20.3
Bulk (Bag) – maximum length leads
Tape & Reel (standard reel)
Other Lead and Packaging Options
Tape & Reel (large reel)
Standard Lead and Packaging Options
Bulk (Tray) – short leads
6 +0/−1
30 +5/−0
H
0
= 18.5 ±0.5
H
0
= 18.5 ±0.5
C
A
L
P
R06
R30
R19T0
R19T1
22.5
Bulk (Bag) – maximum length leads
Tape & Reel (standard reel)
Other Lead and Packaging Options
Tape & Reel (large reel)
Standard Lead and Packaging Options
25.4
Bulk (Tray) – short leads
Bulk (Bag) – maximum length leads
6 +0/−1
30 +5/−0
C
A
R06
R30
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
F3087_P278_X1_480 • 6/26/2017
2
Film Capacitors – AC Line EMI Suppression and RC Networks
P278, Metallized Impregnated Paper, Class X1, 480 VAC
Dimensions – Millimeters
FRONT VIEW
L
SIDE VIEW
B
H
d
p
LL
Size Code
HE
HH
HL
QE
QJ
QS
CE
CJ
CP
SJ
SP
SU
EJ
EL
p
Nominal
10.2
10.2
10.2
15.2
15.2
15.2
20.3
20.3
20.3
22.5
22.5
22.5
25.4
25.4
Tolerance
±0.4
±0.4
±0.4
±0.4
±0.4
±0.4
±0.4
±0.4
±0.4
±0.4
±0.4
±0.4
±0.4
±0.4
Nominal
3.9
4.1
5.1
5.2
5.5
8.5
7.6
9.0
11.3
8.0
10.0
12.0
12.1
15.3
B
Tolerance
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Nominal
7.5
8.2
10.5
10.5
11.1
14.3
14.0
15.0
16.5
17.0
19.0
22.0
19.0
22.0
H
Tolerance
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Nominal
13.5
13.5
13.5
18.5
18.5
18.5
24.0
24.0
24.0
27.0
27.0
27.0
30.5
30.5
L
Tolerance
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Nominal
0.6
0.6
0.6
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
1.0
1.0
d
Tolerance
±0.05
±0.05
±0.05
±0.05
±0.05
±0.05
±0.05
±0.05
±0.05
±0.05
±0.05
±0.05
±0.05
±0.05
Note: See Ordering Options Table for lead length (LL) options.
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
F3087_P278_X1_480 • 6/26/2017
3
Film Capacitors – AC Line EMI Suppression and RC Networks
P278, Metallized Impregnated Paper, Class X1, 480 VAC
Performance Characteristics
Rated voltage
Capacitance range
Capacitance tolerance
Temperature range
Climatic category
Approvals
Dissipation factor
480 VAC 50/60Hz
0.001 – 0.15 µF
±20%
−40°C to +110°C
40/110/56/B
ENEC, UL, cUL
Maximum values at +23°C
1 kHz
1.3%
The 100% screening factory test is carried out at 2,700 VDC. The
voltage level is selected to meet the requirements in applicable
equipment standards. All electrical characteristics are checked
after the test. It is not permitted to repeat this test as there is a
risk to damage the capacitor. KEMET is not liable in such case for
any failures.
Between terminals:
≥ 12,000 MΩ
Recommended voltage ≤ 1,000 VDC
Tabulated self-resonance frequencies (f
0
), refer to 5 mm lead
length
Test voltage between terminals
Insulation resistance
In DC applications
Resonance frequency
Environmental Test Data
Test
Vibration
Bump
Change of temperature
Active flammability
Passive flammability
Damp heat steady state
IEC Publication
IEC 60068–2–6 Test Fc
IEC 60068–2–29 Test Eb
IEC 60068–2–14 Test Na
IEC 60384–14
IEC 60384–14
IEC 60068–2–78 Test Cab
Procedure
3 directions at 2 hours each 10 – 500 Hz at 0.75 mm or 98 m/seconds
2
4,000 bumps at 390 m/seconds
2
Upper and lower rated temperature 5 cycles
V
R
+ 20 surge pulses at 4.0 kV (pulse every 5 seconds)
IEC 60384–1, IEC 60695–11–5 Needle-flame test
+40°C and 93% RH, 56 days
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
F3087_P278_X1_480 • 6/26/2017
4
Film Capacitors – AC Line EMI Suppression and RC Networks
P278, Metallized Impregnated Paper, Class X1, 480 VAC
Approvals
Certification Body
Intertek Semko AB
Mark
Specification
EN/IEC 60384–14
UL 60384–14
CAN/CSA-E60384–14–09
File Number
SE/0140–35A
UL
E73869
Environmental Compliance
All KEMET EMI capacitors are RoHS Compliant.
Table 1 – Ratings & Part Number Reference
Capacitance
Value (µF)
0.001
0.0015
0.0022
0.0033
0.0047
0.0068
0.010
0.015
0.022
0.033
0.047
0.068
0.033
0.047
0.068
0.1
0.1
0.15
Maximum Dimensions in mm
B
3.9
3.9
3.9
4.1
5.1
5.2
5.2
5.5
8.5
7.6
9.0
11.3
8.0
8.0
10.0
12.0
12.1
15.3
H
7.5
7.5
7.5
8.2
10.5
10.5
10.5
11.1
14.3
14.0
15.0
16.5
17.0
17.0
19.0
22.0
19.0
22.0
L
13.5
13.5
13.5
13.5
13.5
18.5
18.5
18.5
18.5
24.0
24.0
24.0
27.0
27.0
27.0
27.0
30.5
30.5
Lead Spacing
(p)
10.2
10.2
10.2
10.2
10.2
15.2
15.2
15.2
15.2
20.3
20.3
20.3
22.5
22.5
22.5
22.5
25.4
25.4
f
o
(MHz)
53
44
37
30
24
18.5
15.5
13
9.6
9.6
7.5
6.2
7.2
6
4.8
3.6
3.9
3.2
dV/dt
(V/µs)
2,000
2,000
2,000
2,000
2,000
1,400
1,400
1,400
1,400
1,000
1,000
1,000
1,000
1,000
1,000
600
600
600
KEMET
Part Number
P278HE102M480(1)
P278HE152M480(1)
P278HE222M480(1)
P278HH332M480(1)
P278HL472M480(1)
P278QE682M480(1)
P278QE103M480(1)
P278QJ153M480(1)
P278QS223M480(1)
P278CE333M480(1)
P278CJ473M480(1)
P278CP683M480(1)
P278SJ333M480(1)
P278SJ473M480(1)
P278SP683M480(1)
P278SU104M480(1)
P278EJ104M480(1)
P278EL154M480(1)
Capacitance Value
(µF)
B (mm)
H (mm)
L (mm)
Lead Spacing (p)
f
o
(MHz)
dV/dt
(V/µs)
KEMET
Part Number
(1) Insert ordering code for lead type and packaging. See Ordering Options Table for available options.
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
F3087_P278_X1_480 • 6/26/2017
5
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