KP/MKP 375
Vishay BCcomponents AC and Pulse Metallized Polypropylene Film Capacitors
KP/MKP Radial Lacquered Type
www.vishay.com For technical questions, contact: dc-film@vishay.com Document Number: 28127
246 Revision: 09-Dec-08
4.7.2 Final inspection Visual examination No visible damage
4.9 Shock Mounting:
See section “Mounting” of this specification
Pulse shape: Half sine
Acceleration: 490 m/s²
Duration of pulse: 11 ms
4.9.3 Final measurements Visual examination No visible damage
Capacitance For C > 0.027µF: |ΔC/C| ≤ 2 % or
for C ≤ 0.027µF: |ΔC/C| ≤ 3 % + 5 pF
of the value measured in 4.6.1.
Tangent of loss angle Increase of tan δ: ≤ 0.0005
Compared to values measured in 4.6.1
Insulation resistance As specified in chapter “General data” 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: + 105 °C
Duration: 16 h
4.10.3 Damp heat cyclic
Test Db, first cycle
4.10.4 Cold Temperature: - 55 °C
Duration: 2 h
4.10.6 Damp heat cyclic
Test Db, remaining cycles
4.10.6.2 Final measurements Voltage proof = URdc for 1 min within 15 min
after removal from testchamber
No breakdown of flash-over
Visual examination No visible damage
Legible marking
Capacitance |ΔC/C| ≤ 3 % of the value measured in
4.4.2 or 4.9.3
Tangent of loss angle Increase of tan δ: ≤ 0.001
Compared to values measured in
4.3.1 or 4.6.1
Insulation resistance ≥ 50 % of values specified in chapters
“General data” of this specification
SUB-GROUP C2
4.11 Damp heat steady state 56 days, 40 °C, 90 % to 95 % RH
4.11.1 Initial measurements Capacitance
Tangent of loss angle at 1 kHz
4.11.3 Final measurements Voltage proof = URdc for 1 min within 15 min
after removal from testchamber
No breakdown of flash-over
Visual examination No visible damage
Legible marking
Capacitance |ΔC/C| ≤ 1 % + 5 pF of the value measured in
4.11.1.
Tangent of loss angle Increase of tan δ ≤ 0.0005
Compared to values measured in 4.11.1
Insulation resistance ≥ 50 % of values specified in section
“Insulation Resistance” of this specification
SUB-CLAUSE NUMBER AND TEST CONDITIONS PERFORMANCE REQUIREMENTS