MKT372
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Vishay BCcomponents
Revision: 29-Jun-16
10
Document Number: 28192
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SUB-GROUP C1A PART OF SAMPLE
OF SUB-GROUP C1
4.14 Component solvent resistance Isopropylalcohol at room temperature
Method: 2
Immersion time: 5 min ± 0.5 min
Recovery time: min. 1 h, max. 2 h
4.4.2 Final measurements Visual examination No visible damage
Legible marking
Capacitance |C/C| 2 % of the value measured initially
Tangent of loss angle Increase of tan
0.005 for: C 100 nF or
0.010 for: 100 nF < C 220 nF or
0.015 for: 220 nF < C 470 nF and
0.003 for: C > 470 nF
Compared to values measured in 4.3.1
SUB-GROUP C1B PART OF SAMPLE
OF SUB-GROUP C1
4.6.1 Initial measurements Capacitance
Tangent of loss angle:
for C 470 nF at 100 kHz
for 470 nF < C 10 µF at 10 kHz
for C > 10 µF at 1 kHz
No visible damage
4.6 Rapid change of temperature A = -55 °C
B = +105 °C
5 cycles
Duration t = 30 min
4.7 Vibration Visual examination
Mounting:
see section “Mounting” of this specification
Procedure B4
Frequency range: 10 Hz to 55 Hz
Amplitude: 0.75 mm or
Acceleration 98 m/s
(whichever is less severe)
Total duration 6 h
No visible damage
SUB-GROUP C1B PART OF SAMPLE
OF SUB-GROUP C1
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/s
Duration of pulse: 11 ms
4.9.3 Final measurements Visual examination No visible damage
Capacitance |C/C| 3 % of the value measured in 4.6.1
Tangent of loss angle Increase of tan
0.005 for: C 100 nF or
0.010 for: 100 nF < C 220 nF or
0.015 for: 220 nF < C 470 nF and
0.003 for: C > 470 nF
Compared to values measured in 4.6.1
Insulation resistance As specified in section “Insulation
Resistance” of this specification
GROUP C INSPECTION REQUIREMENTS
SUB-CLAUSE NUMBER AND TEST CONDITIONS PERFORMANCE REQUIREMENTS