MKT 1824
Vishay Roederstein
SMD Metallized Polyester Film Capacitor
Related Document: IEC 60384-19
MAIN APPLICATIONS:
Blocking, bypassing, filtering and timing, high frequency
coupling and decoupling of fast digital and analog IC’s,
interference suppression in low voltage applications.
Dimensions in millimeters
L
W
MARKING:
Manufacturer's logo/C-value/rated voltage/tolerance/
H
DIELECTRIC:
Polyester film
ELECTRODES:
COATING:
A
A
Marking
D
Vacuum deposited aluminum
Plastic moulded, black, flame retardant material
(UL-class 94 V-0)
A = 1
±
0.3
D = 3
±
0.2
CONSTRUCTION:
CONTACTS:
Stacked metallized film (refer to general information)
TIME CONSTANT:
Measured with 50 VDC (40 VDC measured with U
R
) after
one minute
Tinned nickel silver tape (Cu/Ni/Zn)
IEC TEST CLASSIFICATION:
TEMPERATURE RANGE:
- 55°C to + 125°C
0.01µF to 1µF
55/125/21, according to IEC 60068
For C > 0.33
µ
F:
1250 s minimum value (10,000 s typical value)
DERATING FOR DC AND AC. CATEGORY VOLTAGE U
C
:
At + 85°C: U
C
= 1.0 U
R
At + 100°C: U
C
= 0.8 U
R
At + 125°C: U
C
= 0.5 U
R
(maximum 1000 hours)
CAPACITANCE RANGE:
CAPACITANCE TOLERANCES:
±
20% (M),
±
10% (K),
±
5% (J)
CAPACITANCE DRIFT:
Up to + 40°C,
±
1.5% for a period of two years
RATED VOLTAGES (U
R
):
40 VDC, 63 VDC
25 VAC, 40 VAC
1.6 x U
R
for 2 s
SELF INDUCTANCE:
~ 4 nH
PERMISSIBLE AC VOLTAGES (RMS) UP TO 60Hz:
TEST VOLTAGE (ELECTRODE/ELECTRODE):
INSULATION RESISTANCE:
For C
≤
0.33
µ
F:
RELIABILITY:
Operational life > 300,000 h
Failure rate < 5 FIT (40°C and 0.5 x U
R
)
All parts are supplied in moisture-proof plastic bags. After
opening, the capacitors have to be assembled (soldered)
under standard atmospheric conditions within 24 hours.
For further details, please refer to the general information
provided in this catalog.
Maximum pulse rise time d
v
/d
t
[V/
µ
s]
40 VDC
30
63 VDC
50
Measured with 50 VDC (40 VDC measured with U
R
) after
one minute
3750 MΩ minimum value (50,000 MΩ typical value)
MAXIMUM PULSE RISE TIME
CAPACITOR
LENGTH (mm)
7.2
If the maximum pulse voltage is less than the rated voltage higher d
v
/d
t
values can be permitted.
DISSIPATION FACTOR TAN
δ
MEASURED AT
1kHz
10kHz
100kHz
C
≤
0.1
µ
F
8 x 10
-3
15 x 10
-3
25 x 10
-3
Maximum values
Document Number 26005
Revision 01-Dec-03
For technical questions, contact dc-film@vishay.com
www.vishay.com
51
C > 1.0
µ
F
8 x 10
-3
15 x 10
-3
—
MKT 1824
SMD Metallized Polyester, Related Document: IEC 60384-19
Vishay Roederstein
V RMS
7
5
3
2
10
7
5
3
2
40 VDC
Capacitance in
µ
F
V RMS
100
100
7
5
3
2
Capacitance in
µ
F
0.0
1
0.0
22
0.0
47
0.1
0.2
2
0.6
8
1.0
10
7
5
3
2
63 VDC
1
1
10
3
2
3
5 7 10
4
2
3
5 7
10
5
2
3
5 7 10
6
f [Hz]
0.4
7
10
3
2
3
5 7 10
4
2
3
5 7
10
5
2
3
5 7 10
6
f [Hz]
Permissible AC Voltage versus Frequency
Permissible AC Voltage versus Frequency
°
C
°
C
300
250
200
150
100
50
0
0
10
20
30
40
50
Direction [s]
10 s
300
250
200
150
100
50
0
0
50
100
150
200
Direction [s]
50 s
Temperature/Time Profile for Double Wave Soldering
(maximum data)
Temperature/Time Profile for Reflow Infrared Soldering
(maximum data)
Z [
Ω
]
10
1
10
0
10
-1
0.1
µF
0.047
µF
0.022
µF
0.01
µF
10
-3
0.01
0.05 0.1
0.5 1.0
5.0 10
0.47
µF
1
µF
10
-2
0.22
µF
50 100
f [MHz]
Impedance Z as a function of frequency Z = f (f),
measured at 20
°
C
Document Number 26005
Revision 01-Dec-03
For technical questions, contact dc-film@vishay.com
www.vishay.com
53
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