Document Number: 26022

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Revision: 22-Oct-08

10

MKP 1839

AC and Pulse Metallized Polypropylene Film Capacitors

MKP Axial Type

Vishay Roederstein

4.12.5

Final measurements

Visual examination

No visible damage

Legible marking

Capacitance

|

ΔC/C| ≤ 3 % compared to values measured

in 4.12.1

Tangent of loss angle

Increase of tan

δ ≤ 0.002

Compared to values measured in 4.12.1

Insulation resistance

≥ 50 % of values specified in section

“Insulation Resistance” of this specification

SUB-GROUP C4

4.2.6

Temperature characteristics

Initial measurement

Intermediate

Intermediate measurements

Capacitance

Capacitance at lower category temperature

Capacitance at 20 °C

Capacitance at upper category temperature

For - 55 °C to + 20 °C:

0 %

≤ |ΔC/C| ≤ 2 % or

for 20 °C to 85 °C:

- 3 %

≤ |ΔC/C| ≤ 0 %

Final measurements

Capacitance

Tangent of loss angle:

For C

≤ 1 µF at 10 kHz

For C > 1 µF at 1 kHz

As specified in section “Capacitance” of this

specification

Insulation resistance

As specified in section “Insulation

Resistance” of this specification

4.13

Charge and discharge

10 000 cycles

Discharge resistance:

4.13.1

Initial measurements

Capacitance

Tangent of loss angle at 100 kHz

4.13.3

Final measurements

Capacitance

|

ΔC/C| ≤ 3 % of the value measured in 4.13.1

Tangent of loss angle

Increase of tan

δ≤ 0.003

Compared to values measured in 4.13.1

Insulation resistance

≥ 50 % of values specified in section

“Insulation Resistance” of this specification

SUB-CLAUSE NUMBER AND TEST

CONDITIONS

PERFORMANCE REQUIREMENTS

R

U

Rdc

2.5

C dU dt

⁄

()

×

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=