MKP 1839
AC and Pulse Metallized Polypropylene Film Capacitors
MKP Axial Type
Vishay Roederstein
SUB-CLAUSE NUMBER AND TEST
CONDITIONS
Visual examination
PERFORMANCE REQUIREMENTS
No visible damage
4.7
Vibration
Mounting:
See section “Mounting” for more information
Procedure B4
Frequency range: 10 Hz to 55 Hz
Amplitude: 0.75 mm or
Acceleration 98 m/s²
(whichever is less severe)
Total duration 6 h
4.7.2
4.9
Final inspection
Shock
Visual examination
No visible damage
Mounting:
See section “Mounting” for more information
Pulse shape: Half sine
Acceleration: 490 m/s²
Duration of pulse: 11 ms
4.9.3
Final measurements
Visual examination
Capacitance
No visible damage
|ΔC/C| ≤ 2 % of the value measured in 4.6.1
Tangent of loss angle
Increase of tan δ ≤ 0.002
Compared to values measured in 4.6.1
Insulation resistance
As specified in section “Insulation
Resistance” of this specification
SUB-GROUP C1 COMBINED SAMPLE
OF SPECIMENS OF SUB-GROUPS
C1A AND C1B
4.10
Climatic sequence
4.10.2 Dry heat
Temperature: Upper category temperature
Duration: 16 h
4.10.3 Damp heat cyclic
Test Db, first cycle
4.10.4 Cold
Temperature: Lower category temperature
Duration: 2 h
4.10.6 Damp heat cyclic
Visual examination
No visible damage
Legible marking
Test Db, remaining cycles
4.10.6.2 Final measurements
Capacitance
|ΔC/C| ≤ 3 % of the value measured in
4.4.2 or 4.9.3
Tangent of loss angle
Increase of tan δ ≤ 0.003
Compared to values measured in
4.3.1 or 4.6.1
Insulation resistance
≥ 50 % of values specified in section
“Insulation Resistance” of this specification
SUB-GROUP C2
4.11
Damp heat steady state
Capacitance
4.11.1 Initial measurements
4.11.3 Final measurements
Tangent of loss angle at 1 kHz
Visual examination
No visible damage
Legible marking
Capacitance
|ΔC/C| ≤ 3 % of the value measured in
4.11.1.
Tangent of loss angle
Insulation resistance
Increase of tan δ ≤ 0.001
Compared to values measured in 4.11.1
≥ 50 % of values specified in section
“Insulation Resistance” of this specification
SUB-GROUP C3
4.12
Endurance DC
Duration: 2000 h
1.25 x URdc at 85 °C
0.875 x URdc at 100 °C
4.12.1 Initial measurements
Capacitance
Tangent of loss angle:
For C ≤ 1 µF at 10 kHz
For C > 1 µF at 1 kHz
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For technical questions, contact: dc-film@vishay.com
Document Number: 26022
Revision: 16-Jan-09