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MKT1826

Metallized Polyester Film Capacitor

Vishay Semiconductors 

MKT 1826

Vishay Roederstein

Metallized Polyester Film Capacitor

Quality Assessment: IEC 60384-2, CECC 30 401-059

MAIN APPLICATIONS:

Blocking, bypassing, filtering and timing, high frequency

coupling and decoupling of fast digital circuits.

Interference suppression in low voltage applications. High

pulse load. High temperature operations.

MARKING:

Manufacturer's logo/type/C-value/rated voltage/tolerance/

date of manufacture

DIELECTRIC:

Polyester film

ELECTRODES:

Vacuum deposited aluminum

COATING:

Flame retardant plastic case (UL-class 94 V-0), green,

epoxy resin sealed

CONSTRUCTION:

Stacked metallized polyester film

LEADS:

Tinned wire

IEC TEST CLASSIFICATION:

55/125/56, according to IEC 60068

55/100/21 (for 4.7µF/40 VDC)

OPERATING TEMPERATURE RANGE:

- 55°C to + 125°C

- 55°C to + 100°C (for 4.7µF/40 VDC)

CAPACITANCE RANGE:

1000pF to 4.7µF

CAPACITANCE TOLERANCES:

± 20% (M), ± 10% (K), ± 5% (J)

RATED VOLTAGES (UR):

40 VDC, 50 VDC, 63 VDC, 100 VDC, 250 VDC

PERMISSIBLE AC VOLTAGES (RMS) UP TO 60Hz:

25 VAC, 30 VAC, 40 VAC, 63 VAC, 160 VAC

TEST VOLTAGE (ELECTRODE/ELECTRODE):

1.6 x UR for 2 sec.

INSULATION RESISTANCE:

Measured at 100 VDC (50 VDC and 63 VDC series

measured at 50 VDC) after one minute

For C ≤ 0.33µF and UR > 100 VDC:

30,000 MΩ minimum value (100,000 MΩ typical value)

For C ≤ 0.33µF and UR ≤ 100 VDC:

15,000 MΩ minimum value (100,000 MΩ typical value)

Dimensions in millimeters

L

Max.

W

Max.

Marking

0.5 ± 0.1

H

Max.

pcm

5.0 ± 0.4

Ø 0.5

± 0.4

6.0-1

TIME CONSTANT:

Measured at 100 VDC (50 VDC and 63 VDC series

measured at 50 VDC, 40 VDC measured with UR) after

one minute

For 0.33µF < C ≤ 3.3µF and UR ≤ 100 VDC:

5000 s minimum value (15,000 s typical value)

For C > 3.3µF and UR ≤ 100 VDC:

1250 s minimum value (10,000 s typical value)

CAPACITANCE DRIFT:

Up to + 40°C, ± 1.5% for a period of two years

DERATING FOR DC AND AC.

CATEGORY VOLTAGE UC:

At + 85°C: UC = 1.0 UR

At + 100°C: UC = 0.8 UR

At + 125°C: UC = 0.5 UR (maximum 1000 h)

SELF INDUCTANCE:

~ 6 nH measured with 2mm long leads

PULL TEST ON LEADS:

≥ 30 N in direction of leads according to IEC 60068-2-21

RELIABILITY:

Operational life > 300,000 h

Failure rate < 2 FIT (40°C and 0.5 x UR)

For further details, please refer to the general information

provided in this catalog.

MAXIMUM PULSE RISE TIME

PCM

(mm)

5.0

40 VDC

120

Maximum pulse rise time dv /dt [V/µs]

50 VDC

63 VDC

100 VDC

160

200

240

If the maximum pulse voltage is less than the rated voltage higher dv/dt values can be permitted.

250 VDC

350

www.vishay.com

54

For technical questions, contact dc-film@vishay.com

Document Number 26007

Revision 11-Jun-02

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