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MKT1820222106

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
MKT1820
www.vishay.com
Vishay Roederstein
Revision: 24-Nov-16
13
Document Number: 26011
For technical questions, contact: dc-film@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
APPLICATION NOTE AND LIMITING CONDITIONS
These capacitors are not suitable for mains applications as across-the-line capacitors without additional protection, as
described hereunder. These mains applications are strictly regulated in safety standards and therefore electromagnetic
interference suppression capacitors conforming the standards must be used.
To select the capacitor for a certain application, the following conditions must be checked:
1. The peak voltage (U
P
) shall not be greater than the rated DC voltage (U
RDC
)
2. The peak-to-peak voltage (U
P-P
) shall not be greater than the maximum (U
P-P
) to avoid the ionization inception level
3. The voltage peak slope (dU/dt) shall not exceed the rated voltage pulse slope in an RC-circuit at rated voltage and without
ringing. If the pulse voltage is lower than the rated DC voltage, the rated voltage pulse slope may be multiplied by U
RDC
and
divided by the applied voltage.
For all other pulses following equation must be fulfilled:
T is the pulse duration.
4. The maximum component surface temperature rise must be lower than the limits (see graph “Max. allowed component
temperature rise”).
5. Since in circuits used at voltages over 280 V peak-to-peak the risk for an intrinsically active flammability after a capacitor
breakdown (short circuit) increases, it is recommended that the power to the component is limited to 100 times the values
mentioned in the table: “Heat conductivity”
6. When using these capacitors as across-the-line capacitor in the input filter for mains applications or as series connected
with an impedance to the mains the applicant must guarantee that the following conditions are fulfilled in any case (spikes
and surge voltages from the mains included).
7. For capacitors connected in parallel, normally the proof voltage and possibly the rated voltage must be reduced. For
information depending of the capacitance value and the number of parallel connections contact dc-film@vishay.com
.
VOLTAGE CONDITIONS FOR 6 ABOVE
ALLOWED VOLTAGES T
amb
85 °C 85 °C < T
amb
100 °C 100 °C < T
amb
125 °C
Maximum continuous RMS voltage U
RAC
0.8 x U
RAC
0.5 x U
RAC
Maximum temperature RMS-overvoltage (< 24 h) 1.25 x U
RAC
U
RAC
0.6 x U
RAC
Maximum peak voltage (V
O-P
) (< 2 s) 1.6 x U
RDC
1.3 x U
RDC
0.5 x U
RDC
2 x
dU
dt
-------


2
x dt U
NDC
x
dU
dt
-------


rated
0
T
MKT1820
www.vishay.com
Vishay Roederstein
Revision: 24-Nov-16
14
Document Number: 26011
For technical questions, contact: dc-film@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
INSPECTION REQUIREMENTS
General Notes
Sub-clause numbers of tests and performance requirements refer to the “Sectional Specification, Publication IEC 60384-2 and
Specific Reference Data”.
GROUP C INSPECTION REQUIREMENTS
SUB-CLAUSE NUMBER AND TEST CONDITIONS PERFORMANCE REQUIREMENTS
SUB-GROUP C1A PART OF SAMPLE
OF SUB-GROUP C1
4.1 Dimensions (detail) As specified in chapter “General Data” of this
specification
4.3.1 Initial measurements Capacitance
Tangent of loss angle:
for C 1 µF at 10 kHz
for 1 µF < C < 100 µF at 1 kHz
for C 100 µF at 100 Hz
4.3 Robustness of terminations Tensile and bending No visible damage
4.4 Resistance to soldering heat Method: 1A
Solder bath: 280 °C ± 5 °C
Duration: 10 s
4.14 Component solvent resistance Isopropylalcohol at room temperature
Method: 2
Immersion time: 5 min ± 0.5 min
Recovery time: min. 1 h, max. 2 h
4.4.2 Final measurements Visual examination No visible damage
Legible marking
Capacitance |C/C| 2 % of the value measured initially
Tangent of loss angle Increase of tan :
0.003 for C 1 µF or
0.002 for C > 1 µF
 0.004 for C 100 µF
Compared to values measured in 4.3.1
SUB-GROUP C1B PART OF SAMPLE
OF SUB-GROUP C1
4.6.1 Initial measurements Capacitance
Tangent of loss angle:
for C 1 µF at 10 kHz
for 1 µF < C < 100 µF at 1 kHz
for C 100 µF at 100 Hz
4.6 Rapid change of temperature A = -55 °C
B = +125 °C
5 cycles
Duration t = 30 min
Visual examination
No visible damage
Legible marking
4.7 Vibration Mounting:
see section “Mounting” of this specification
Procedure B4
Frequency range: 10 Hz to 55 Hz
Amplitude: 0.75 mm or
Acceleration 98 m/s
(whichever is less severe)
Total duration 6 h
4.7.2 Final inspection Visual examination No visible damage
4.9 Shock Mounting:
see section “Mounting” for more information
Pulse shape: half sine
Acceleration: 490 m/s
Duration of pulse: 11 ms
MKT1820
www.vishay.com
Vishay Roederstein
Revision: 24-Nov-16
15
Document Number: 26011
For technical questions, contact: dc-film@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
SUB-GROUP C1B PART OF SAMPLE
OF SUB-GROUP C1
4.9.3 Final measurements Visual examination No visible damage
Capacitance |C/C| 5 % of the value measured in 4.6.1
Tangent of loss angle
for C 1 µF at 10 kHz
for 1 µF < C < 100 µF at 1 kHz
for C 100 µF at 100 Hz
Increase of tan :
0.003 for C 1 µF or
0.002 for C > 1 µF
 0.004 for C 100 µF
Compared to values measured in 4.6.1
Insulation resistance As specified in section “Insulation
Resistance” of this specification
SUB-GROUP C1 COMBINED SAMPLE
OF SPECIMENS OF SUB-GROUPS
C1A AND C1B
4.10 Climatic sequence
4.10.2 Dry heat Temperature: +125 °C
Duration: 16 h
4.10.3 Damp heat cyclic
Test Db, first cycle
4.10.4 Cold Temperature: -55 °C
Duration: 2 h
4.10.6 Damp heat cyclic
Test Db, remaining cycles
4.10.6.2 Final measurements Voltage proof = U
RDC
for 1 min within 15 min
after removal from testchamber
No breakdown or flashover
Visual examination No visible damage
Legible marking
Capacitance |C/C| 5 % of the value measured in
4.4.2 or 4.9.3
Tangent of loss angle
for C 1 µF at 10 kHz
for 1 µF < C < 100 µF at 1 kHz
for C 100 µF at 100 Hz
Increase of tan :
0.005 for C 1 µF or
0.003 for C > 1 µF
0.004 for C 100 µF
Compared to values measured in
4.3.1 or 4.6.1
Insulation resistance 50 % of values specified in section
“Insulation Resistance” of this specification
SUB-GROUP C2
4.11 Damp heat steady state 56 days; 40 °C; 90 % to 95 % RH
4.11.1 Initial measurements Capacitance
Tangent of loss angle
for C 1 µF at 10 kHz
for 1 µF < C < 100 µF at 1 kHz
for C 100 µF at 100 Hz
4.11.3 Final measurements
Voltage proof = U
RDC
for 1 min within 15 min
after removal from testchamber
No breakdown or flashover
Visual examination No visible damage
Legible marking
GROUP C INSPECTION REQUIREMENTS
SUB-CLAUSE NUMBER AND TEST CONDITIONS PERFORMANCE REQUIREMENTS
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

MKT1820222106

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Film Capacitors MKT 2,2nF 20% 1000Vdc Pitch 10mm
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