MKT 1824
Vishay Roederstein
SMD Metallized Polyester Film Capacitor
Related Document: IEC 60384-19, CECC 32 200
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.
L
Dimensions in millimeters
W
MARKING:
Manufacturer's logo/C-value/rated voltage/tolerance/
H
DIELECTRIC:
Polyester film
ELECTRODES:
Vacuum deposited aluminum
A
A
Marking
D
COATING:
Plastic moulded, black, flame retardant material
(UL-class 94 V-0)
A = 1
±
0.3
D = 3
±
0.2
CONSTRUCTION:
Stacked metallized film (refer to general information)
CONTACTS:
Tinned nickel silver tape (Cu/Ni/Zn)
TIME CONSTANT:
Measured with 50 VDC (40 VDC measured with U
R
) after
one minute
IEC TEST CLASSIFICATION:
55/125/21, according to IEC 60068
For C > 0.33
µ
F:
TEMPERATURE RANGE:
- 55°C to + 125°C
1250 s minimum value (10,000 s typical value)
CAPACITANCE RANGE:
0.01µF to 1µF
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 TOLERANCES:
±
20% (M),
±
10% (K),
±
5% (J)
RATED VOLTAGES (U
R
):
40 VDC, 63 VDC
CAPACITANCE DRIFT:
Up to + 40°C,
±
1.5% for a period of two years
PERMISSIBLE AC VOLTAGES (RMS) UP TO 60Hz:
25 VAC, 40 VAC
SELF INDUCTANCE:
~ 4 nH
TEST VOLTAGE (ELECTRODE/ELECTRODE):
1.6 x U
R
for 2 s
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.
INSULATION RESISTANCE:
Measured with 50 VDC (40 VDC measured with U
R
) after
one minute
For C
≤
0.33
µ
F:
3750 MΩ minimum value (50,000 MΩ typical value)
MAXIMUM PULSE RISE TIME
CAPACITOR
LENGTH (mm)
7.2
Maximum pulse rise time d
v
/d
t
[V/
µ
s]
40 VDC
30
63 VDC
50
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 11-Jun-02
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, CECC 32 200
V RMS
7
5
3
2
10
7
5
3
2
40 VDC
Capacitance in
µ
F
Vishay Roederstein
Capacitance in
µ
F
V RMS
100
100
7
5
3
2
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 11-Jun-02
For technical questions, contact dc-film@vishay.com
www.vishay.com
53
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