MKT1820
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Vishay Roederstein
Revision: 24-Nov-16
14
Document Number: 26011
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INSPECTION REQUIREMENTS
General Notes
Sub-clause numbers of tests and performance requirements refer to the “Sectional Specification, Publication IEC 60384-2 and
Specific Reference Data”.
GROUP C INSPECTION REQUIREMENTS
SUB-CLAUSE NUMBER AND TEST CONDITIONS PERFORMANCE REQUIREMENTS
SUB-GROUP C1A PART OF SAMPLE
OF SUB-GROUP C1
4.1 Dimensions (detail) As specified in chapter “General Data” of this
specification
4.3.1 Initial measurements Capacitance
Tangent of loss angle:
for C 1 µF at 10 kHz
for 1 µF < C < 100 µF at 1 kHz
for C 100 µF at 100 Hz
4.3 Robustness of terminations Tensile and bending No visible damage
4.4 Resistance to soldering heat Method: 1A
Solder bath: 280 °C ± 5 °C
Duration: 10 s
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 :
0.003 for C 1 µF or
0.002 for C > 1 µF
0.004 for C 100 µF
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 1 µF at 10 kHz
for 1 µF < C < 100 µF at 1 kHz
for C 100 µF at 100 Hz
4.6 Rapid change of temperature A = -55 °C
B = +125 °C
5 cycles
Duration t = 30 min
Visual examination
No visible damage
Legible marking
4.7 Vibration 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
4.7.2 Final inspection Visual examination No visible damage
4.9 Shock Mounting:
see section “Mounting” for more information
Pulse shape: half sine
Acceleration: 490 m/s
Duration of pulse: 11 ms