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BS EN IEC 61189-5-501:2021

BS EN IEC 61189-5-501:2021

$142.49

Test methods for electrical materials, printed boards and other interconnection structures and assemblies – General test methods for materials and assemblies. Surface insulation resistance (SIR) testing of solder fluxes

Published By Publication Date Number of Pages
BSI 2021 26
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IEC 61189-5-501:2021 is used to quantify the deleterious effects of flux residues on surface insulation resistance (SIR) in the presence of moisture.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
9 FOREWORD
11 1 Scope
2 Normative references
Figures
Figure 1 – SIR pattern
12 3 Terms and definitions
4 Equipment/Apparatus
4.1 Measurement instrument
13 4.2 Resistor verification coupon
4.3 Damp heat chamber
Figure 2 – Example of a resistor verification coupon
14 4.4 Additional apparatus
4.4.1 Ionic contamination test system
4.4.2 Drying oven
4.4.3 Camera
4.4.4 Backlight panel
5 Test coupons
5.1 General
5.2 IEC TB144 (IPC B53) test coupon
15 5.3 Laminate
5.4 Coupons for testing
5.5 Chamber controls
Figure 3 – IPC B53 Surface insulation resistance pattern
16 5.6 Blank process controls
5.7 Test conditions
5.7.1 Fluxes not intended for cleaning
5.7.2 Fluxes intended for cleaning
5.8 Test duration
5.9 Test voltage
5.10 Connecting the test coupons
5.10.1 General
5.10.2 Connector/test rack
17 5.10.3 Direct wiring
5.11 Cable connection
5.12 Coupon orientation in the chamber
Figure 4 – Connector arrangement
Figure 5 – Specimen orientation in test chamber
18 6 Coupon preparation
6.1 General
6.2 Coupon cleaning
6.3 Identification
6.4 Inspection
6.5 Storage
Figure 6 – Coupon orientation in test chamber
19 6.6 No clean fluxes
6.7 Cleanable type fluxes
6.8 Solder paste coupons
6.8.1 Coupon preparation
Table 1 – Coupons for surface insulation resistance (SIR) testing
20 6.8.2 Cleaning of coupons
6.9 Preparation of coupons for chamber
7 Test procedure
8 Measurements
9 Evaluation
21 10 Reporting
22 Annex A (informative)General advice for testing
A.1 Test coupons
A.2 Test coupon development
A.3 Sampling
A.3.1 General
A.3.2 Coupon count
A.3.3 Sample sizes
A.3.4 Characterising materials
A.3.5 Characterising process(es)
A.3.6 Derived unit of SIR
23 A.3.7 Set-up parameters
A.4 Humidity
A.5 Voltage
24 Bibliography

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BS EN IEC 61189-5-501:2021
$142.49