{"id":232792,"date":"2024-10-19T15:10:08","date_gmt":"2024-10-19T15:10:08","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-60749-212005\/"},"modified":"2024-10-25T09:36:48","modified_gmt":"2024-10-25T09:36:48","slug":"bs-en-60749-212005","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-60749-212005\/","title":{"rendered":"BS EN 60749-21:2005"},"content":{"rendered":"<p>Establishes a standard procedure for determining the solderability of device package terminations that are intended to be joined to another surface using tin-lead or lead-free solder for the attachment. Provides a procedure for &#8216;dip and look&#8217; solderability testing of through hole, axial and surface mount devices as well as an optional procedure for a board mounting solderability test for SMDs for the purpose of allowing simulation of the soldering process to be used in the device application.<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Scope <br \/> Test apparatus <br \/> Solder bath <br \/> Dipping device <br \/> Optical equipment <br \/> Steam ageing equipment  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>Lighting equipment <br \/> Materials <br \/> Flux <br \/> Solder <br \/> Tin-lead  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>Lead-free <br \/> SMD reflow equipment <br \/> Stencil or screen <br \/> Rubber squeegee or metal spatula <br \/> Test substrate <br \/> Solder paste <br \/> Pb-containing paste  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>Pb-free paste <br \/> Reflow equipment <br \/> Flux removal solvent <br \/> Procedure <br \/> Preconditioning <br \/> Preconditioning by steam ageing  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>Steam ageing procedure <br \/> Cleaning of the system <br \/> Drying and storage procedures <br \/> Preconditioning by high temperature storage <br \/> Procedure for dip and look solderability testing  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>Solder dip conditions <br \/> Procedure <br \/> Preparation of terminations <br \/> Ageing <br \/> Application of flux <br \/> Surface mounted devices <br \/> All other devices  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>Component termination attitude relative to flux and solder s <br \/> Solder dip <br \/> Solder dipping of gold plated terminations <br \/> Solder bath contaminants control <br \/> Inspection and failure criteria <br \/> Inspection magnification <br \/> Solder coverage  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>Pinholes, voids, porosity, nonwetting, or dewetting <br \/> Definition of the areas to be inspected  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>Procedure for simulated board mounting reflow solderability   <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>Test equipment set-up  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>Specimen preparation and surface condition  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>Visual inspection <br \/> Visual magnification criteria <br \/> Accept\/reject criteria <br \/> Summary  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Semiconductor devices. Mechanical and climatic test methods &#8211; Solderability<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2005<\/td>\n<td>24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":232795,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[573,2641],"product_tag":[],"class_list":{"0":"post-232792","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-31-080-01","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/232792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/232795"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=232792"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=232792"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=232792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}