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BS EN IEC 61189-5-502:2021

$142.49

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

Published By Publication Date Number of Pages
BSI 2021 28
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IEC 61189-5-502:2021 is used for evaluating the changes to the surface insulation resistance of a pre-selected material set on a representative test coupon and quantifies the deleterious effects of improperly used materials and processes that can lead to decreases in electrical resistance.

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
12 3 Terms and definitions
4 Equipment/Apparatus
4.1 Soldering and other production process equipment
4.2 Measurement instrument
13 4.3 Resistor verification coupon
4.4 Damp heat chamber
Figures
Figure 1 – Resistor verification coupon using the IPC-B-52 coupon
14 4.5 Magnifiers (10x – 30x)
4.6 Camera
4.7 Cleaning solvent
4.8 Interconnecting cable
4.9 Connector rack
4.10 Solder flux
5 Test coupon
5.1 Test coupon artwork
5.1.1 General
15 5.1.2 Test coupon
5.1.3 Laminate
5.1.4 Surface finish
5.1.5 Solder mask
5.1.6 Quality
5.2 Components (bill of materials)
16 Figure 2 – IPC B-52 Rev B top side
Figure 3 – IPC B-52 Rev B bottom side
17 5.3 Number of test coupons
5.4 Test conditions
Table 1 – IPC B-52 bill of materials (BOM)
18 5.5 Coupon identification
6 Procedure
6.1 Test coupon preparation
6.2 Cleaning
6.3 Manufacturing process replication
6.4 Preparation of samples for chamber
6.5 Connector system – High-resistance measurement verification
19 6.6 Hard wiring
6.7 Coupon orientation in the chamber
6.8 Test coupon measurements
Figure 4 – Test specimen location with respect to chamber air flow
20 6.9 Evaluation
6.10 Test report
21 6.11 Additional information
22 Annex A (informative)Additional information
A.1 Additional information
A.1.1 General
A.1.2 Advisory notes
A.1.3 Use of coupon test pattern on production product
A.2 Use of dummy components
A.3 Frequency of monitoring
23 A.4 Condensation
A.5 Flux volatilisation
A.5.1 General
A.5.2 90 % RH or 93 % RH
A.6 Drip shield
24 A.7 Inspection
A.8 Connector test racks
A.8.1 Advantages
A.8.2 Disadvantages
A.9 Electromagnetic shielding
25 A.10 Wiring to the IPC B-52 test coupons
Table A.1 – IPC B-52 Rev B wiring diagram
26 A.11 Connector test rack wiring
A.12 Test voltage
27 Bibliography
BS EN IEC 61189-5-502:2021
$142.49