Document Number: 28108

www.vishay.com

Revision: 04-Aug-09

91

MKT 370

DC Film Capacitors

MKT Radial Potted Type

Vishay BCcomponents

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 chapters “MKT 370 General

Data” of this specification

4.3.1

Initial measurements

Capacitance

Tangent of loss angle:

For C

≤ 470 nF at 100 kHz or

for C > 470 nF at 10 kHz

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

|ΔC/C| ≤ 2 % of the value measured initially

Tangent of loss angle

Increase of tan

δ

≤ 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 OTHER PART OF

SAMPLE OF SUB-GROUP C1

4.6.1

Initial measurements

Capacitance

Tangent of loss angle:

For C

≤ 470 nF at 100 kHz or

for C > 470 nF at 10 kHz

4.6

Rapid change of temperature

θA = - 55 °C

θB = + 100 °C for rated voltage 63 V

+ 105 °C for rated voltage > 63 V

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/s²

(whichever is less severe)

Total duration 6 h

No visible damage

4.7.2

Final inspection

Visual examination

No visible damage