62 oxidation on pth leads results

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Round vs Rectangular PTH Calculations - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/round-vs-rectangular-pth-calculations_topic672_post3113.html

Round vs Rectangular PTH Calculations - PCB Libraries Forum Forum Home > PCB Footprint Expert > Questions & Answers New Posts FAQ Search Events Register Login Round vs Rectangular PTH Calculations

PCB Libraries, Inc.

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What’s with the expiration dates on solder paste or wire? - EPTAC - Train. Work Smarter. Succeed

| https://www.eptac.com/soldertip/whats-with-the-expiration-dates-on-solder-paste-or-wire/

leakage and create dendritic growth on the laminate material or between component leads which will cause failures. Ok, so is there a test I can perform to determine if my solders are good enough to use

•  Blow holes are caused by – Plating in the PTH – Excess flux in the hole during soldering, entrapment – Product solderability, leads and boards 4 Voids Storage Flux Manufacturing Processes Equipment Boards Voids in Plated Holes Laminate type

| https://www.eptac.com/wp-content/uploads/2021/11/eptac_03_14_12.pdf

IPC-A-610 Revision F Paragraph 7.3.5.1 Supported Holes - Solder - Vertical Fill (A) - EPTAC - Train.

| https://www.eptac.com/faqs/ask-helena-leo/ask/ipc-a-610-revision-f-paragraph-7-3-5-1-supported-holes-solder-vertical-fill-a

: Minimum vertical fill of 50% or 1.2 mm for components with 14 or more leads. What is the importance of 14 or more leads? Does the vertical fill depend more on the thermal layers and not the number of leads? 2. Defect – Class 2: Revision ‘E

IPC-A-610 Revision F Paragraph 7.3.5.1 Supported Holes - Solder - Vertical Fill (A) - EPTAC - Train.

| https://www.eptac.com/ask/ipc-a-610-revision-f-paragraph-7-3-5-1-supported-holes-solder-vertical-fill-a/

% or 1.2 mm for components with 14 or more leads. What is the importance of 14 or more leads? Does the vertical fill depend more on the thermal layers and not the number of leads? 2. Defect – Class 2: Revision ‘E

” box Common Wave Soldering Manufacturing Issues 4 Soldering Issues  SMT components on Bottom side of board  Insufficient PTH fill and voids within solder joints

| https://www.eptac.com/wp-content/uploads/2021/11/webinar_eptac_09_17_08.pdf

•  In manufacturing of the gull wing lead frames the leads are cut which creates a condition on the end of the lead which may or may not be solderable

| https://www.eptac.com/wp-content/uploads/2013/06/eptac_07_17_13.pdf

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Count On Tools, Inc.

COT specializes in high quality SMT nozzles and consumables for pick and place machines. We provide special engineering design service of custom nozzles for those unique and odd components.

Manufacturer

2481 Hilton Drive
Gainesville, GA USA

Phone: (770) 538-0411