F1778X2
www.vishay.com
Vishay Roederstein
Revision: 17-Jan-17
9
Document Number: 27610
For technical questions, contact: rfi@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
INSPECTION REQUIREMENTS
General Notes
Sub-clause numbers of tests and performance requirements refer to the “Sectional Specification, IEC Publication
IEC 60384-14 ed-4 (2013) 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 section “General Data” of this
specification
Initial measurements Capacitance
Tangent of loss angle:
for C 1 µF at 10 kHz
for C > 1 µF at 1 kHz
4.3 Robustness of terminations Tensile: load 10 N; 10 s
Bending: load 5 N; 4 x 90°
No visible damage
4.4 Resistance to soldering heat No pre-drying
Method: 1A
Solder bath: 280 °C ± 5 °C
Duration: 10 s
4.19 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| 5 % of the value measured initially.
Tangent of loss angle Increase of tan :
0.008 for: C 1 µF or
0.005 for: C > 1 µF
Compared to values measured initially.
Insulation resistance As specified in section “Insulation
Resistance” of this specification
SUB-GROUP C1B PART OF SAMPLE OF
SUB-GROUP C1
Initial measurements Capacitance
Tangent of loss angle:
for C 1 µF at 10 kHz
for C > 1 µF at 1 kHz
4.20 Solvent resistance of the marking Isopropylalcohol at room temperature
Method: 1
Rubbing material: cotton wool
Immersion time: 5 min ± 0.5 min
No visible damage
Legible marking
4.6 Rapid change of temperature A = -55 °C
B = +110 °C
5 cycles
Duration t = 30 min
4.6.1 Inspection
Visual examination
No visible damage
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