AC and Pulse Double Metallized Polypropylene Film Capacitors
MMKP Radial Potted Type
Horizontally Mounted
Vertically Mounted
APPLICATIONS
Industrial motor control circuits, mounted directly on the
IGBT or GTO.
REFERENCE SPECIFICATIONS
IEC 60384-17
FEATURES
Low inductive construction
Low loss dielectric
Double sided metallized for high pulse ratings
RoHS compliant
ENCAPSULATION
Flame retardant plastic case (UL-class 94 V-0) and epoxy
resin
CLIMATIC TESTING CLASS ACC. TO IEC 60068-1
55/085/56
CAPACITANCE RANGE (E24 SERIES)
0.1to4.7µF
CAPACITANCE TOLERANCE
± 5 %; ± 10 %
TABS
Tinned coated copper
MARKING
C-value; tolerance; rated voltage; code for dielectric material;
code for factory of origin; manufacturer’s type, manufacturer;
year and week of manufacture
DIELECTRIC
Polypropylene film
ELECTRODES
Double metallized
CONSTRUCTION
Mono construction for 630 V version
Internal serial construction from 850 Vdc on
The capacitors are designed for direct mounting on IGBT or GTO.
Specific Method of Mounting to Withstand Vibration and Shock
In order to withstand vibration and shock tests, it must be ensured that the tabs are screwed tightly on the test board.
Storage Temperature
Storage temperature: T
Ratings and Characteristics Reference Conditions
Unless otherwise specified, all electrical values apply to an ambient temperature of 23 °C ± 1 °C, an atmospheric pressure of
86 kPa to 106 kPa and a relative humidity of 50 % ± 2 %.
For reference testing, a conditioning period shall be applied over 96 h ± 4 h by heating the products in a circulating air oven at
the rated temperature and a relative humidity not exceeding 20 %.
Max. AC voltage as a function of frequencyMax. AC voltage as a function of frequency
3
10
(V)
RMS
V
2
10
T
≤ 75 °C, 2000 Vdc
amb
1
10
3
10
0.1
0.15
0.22
0.23
0.47
4
10
5
10
Capacitance in µF
6
10
f (Hz)
10
7
HEAT CONDUCTIVITY (G) AS A FUNCTION OF BOX LENGTH AND CAPACITOR BODY THICKNESS IN mW/°C
W
max.
(mm)
22.075100
30.0-140
BOX LENGTH 33.5 mmBOX LENGTH 44.0 mm
3
10
(V)
RMS
V
2
10
T
≤ 75 °C, 2500 Vdc
amb
1
10
3
10
0.1
0.15
0.22
0.23
4
10
HEAT CONDUCTIVITY (mW/°C)
Capacitance in µF
5
10
6
10
f (Hz)
10
7
POWER DISSIPATION AND MAXIMUM COMPONENT TEMPERATURE RISE
The power dissipation must be limited in order not to exceed the maximum allowed component temperature rise as a function of
the free air ambient temperature.
The power dissipation can be calculated according type detail specification “HQN-384-0/101: Technical Information Film
Capacitors”.
The component temperature rise (ΔT) can be measured (see section “Measuring the component temperature” for more details)
or calculated by ΔT = P/G:
• ΔT = Component temperature rise (°C)
• P = Power dissipation of the component (mW)
• G = Heat conductivity of the component (mW/°C)
MEASURING THE COMPONENT TEMPERATURE
A thermocouple must be attached to the capacitor body as in:
Thermocouple
The temperature is measured in unloaded (T
The temperature rise is given by ΔT = T
C
) and maximum loaded condition (TC).
amb
- T
.
amb
To avoid radiation or convection, the capacitor should be tested in a wind-free box.
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
2. The peak-to-peak voltage (U
3. The voltage pulse 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
divided by the applied voltage.
For all other pulses following equation must be fulfilled:
T
2
dU
⎛⎞
--------
2
∫
0
⎝⎠
dt
dt U
T is the pulse duration.
The rated voltage pulse slope is valid for ambient temperatures up to 85 °C.
4. The maximum component surface temperature rise must be lower than the limits (see figure).
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”
) shall not be greater than the rated DC voltage (U
P
) shall not be greater than the maximum U
P-P
dU
⎛⎞
--------
×<××
Rdc
⎝⎠
dt
rated
)
Rdc
to avoid the ionisation inception level
P-P
Rdc
and
Voltage Conditions
≤ 85 °C
ALLOWED VOLTAGES
Maximum continuous RMS voltageU
Maximum temperature RMS-overvoltage (< 24 h)1.25 x U
Maximum peak voltage (V
O-P
) (< 2 s)
T
amb
1.6 x U
Rac
Rac
Rdc
INSPECTION REQUIREMENTS
General Notes:
Sub-clause numbers of tests and performance requirements refer to the “Sectional Specification, Publication IEC 60384-17 and
Specific Reference Data”.
Group C Inspection Requirements
SUB-CLAUSE NUMBER AND TESTCONDITIONSPERFORMANCE REQUIREMENTS
SUB-GROUP C1A PART OF SAMPLE
OF SUB-GROUP C1
4.1 Dimensions (detail)As specified in chapters “General Data” of
4.3.1Initial measurementsCapacitance
Tangent of loss angle at 100 kHz
4.14 Component solvent resistanceIsopropylalcohol at room temperature
Method: 2
Immersion time: 5 ± 0.5 min
Recovery time: Min. 1 h, max. 2 h
4.4.2 Final measurementsVisual examinationNo visible damage
Capacitance|ΔC/C| ≤ 1 % of the value measured initially
Tangent of loss angleIncrease of tan δ
Capacitance|ΔC/C| ≤ 5 % compared to values measured
Tangent of loss angleIncrease of tan δ
Insulation resistance≥ 50 % of values specified in section
Capacitance
Capacitance at - 55 °C
Capacitance at 20 °C
Capacitance at + 85 °C
Capacitance
Insulation resistance
Charged to U
Discharge resistance:
R
Tangent of loss angle at 100 kHz
Tangent of loss angleIncrease of tan δ
Insulation resistance≥ 50 % of values specified in section
for 1 min within 15 min
Rdc
at 85 °C
Rac
Rdc
U
=
Rdc
---------------------------------------5 x C dU dt⁄()
No breakdown of flashover
Legible marking
4.11.1.
≤ 0.001 for: 100 nF < C ≤ 470 nF or
≤ 0.0015 for: C ≤ 470 nF
Compared to values measured in 4.11.1
“Insulation Resistance” of this specification
Legible marking
in 4.12.1.1
≤ 0.001 for: 100 nF < C ≤ 470 nF or
≤ 0.0015 for: C > 470 nF
Compared to values measured in 4.12.1.1
“Insulation Resistance” of this specification
For - 55 °C to + 20 °C:
+ 1 % ≤ |ΔC/C| ≤ 3.75 % or
for 20 °C to 105 °C:
- 6 % ≤ |ΔC/C| ≤ 0 %
As specified in section “Capacitance” of this
specification.
As specified in section “Insulation
Resistance” of this specification
in 4.13.1
≤ 0.001 for: 100 nF < C ≤ 470 nF or
≤ 0.0015 for: C > 470 nF
Compared to values measured in 4.13.1
“Insulation Resistance” of this specification
Document Number: 28163
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