Full Site - : minimum trace to pcb edge (Page 2 of 3)

component to scored edge clearance

Electronics Forum | Mon Jun 20 09:12:55 EDT 2005 | davef

There's no easy answer. It depends on: * Thickness and size of the PCB in the array. * Means of separation. * Type of component. SMT components are more sensitive to the forces that need to be applied to separate the PCB. * Type SMT device. Ceram

Min Hole/Pad distance to edge of PCB

Electronics Forum | Mon Mar 13 15:10:52 EST 2000 | Stuart Adams

Assuming agressive design rules what is the minimum distance I can get away with between the board edge and a SMT pad and between the board edge and a plated mounting hole ??? (The board is only 1"x2" and the mounting holes are 80 mil dia, 125 mil

Min Hole/Pad distance to edge of PCB

Electronics Forum | Mon Mar 13 15:10:52 EST 2000 | Stuart Adams

Assuming agressive design rules what is the minimum distance I can get away with between the board edge and a SMT pad and between the board edge and a plated mounting hole ??? (The board is only 1"x2" and the mounting holes are 80 mil dia, 125 mil

Trace Distance to Board Edge

Electronics Forum | Wed Aug 08 17:50:22 EDT 2007 | flipit

X7R >Z5U,Y5V Greater means less likely to crack or in other words NP0 is better than X7R for crack resistance. Don't think that there is a set formula. There isn't! I cracked ceramic resonators at 0.050" from the board edge with CAB M2 and M3 dep

Re: Time to use alternative finishing ???

Electronics Forum | Fri Sep 10 15:32:30 EDT 1999 | Earl Moon

| We have a product, with various PWBs, with over 600 parts each one (We are a low Volume/high mix company with an average component placement per PCB between 250 to 300 parts). This PWBs have 7 to 10, 20 mils pitch parts. We are having problems with

Questions About Risk of PCB Delamination as a Result of Moisture Build Up After Damage to Solder Mask

Electronics Forum | Tue Apr 23 15:36:27 EDT 2019 | davef

Josh, are you setting someone up with these questions? Answers to your questions related to the subject line follow: Q1. Does the Epoxy Solder Mask Layer of a PCB protect against moisture absorption? Is this a primary function of the solder mask?

How many Fiducials on PCB for best placement

Electronics Forum | Fri Nov 25 15:52:40 EST 2011 | davef

"IPC-2221 - Generic Standard On Printed Board Design" talks to fiducials. Anther take on fiducials says they shall meet the following requirements. * Make fiducials 1 - 1.5 mm diameter circle. * Cover fiducials with tin. * Keep solder mask opening at

Re: DFM / DFT information

Electronics Forum | Thu Jul 13 22:20:38 EDT 2000 | Dave F

=10 mils larger than lead 3 silk screen legend text weight >=10 mils 4 pads >=15 mils larger than finished hole sizes 5 place through hole components on 50 mil grid 6 no silk screen legend text over vias (if vias not solder masked) or holes 7 so

3+ years of experience in the PCB CAM engineering

Career Center | Erode, Tamilnadu India | Engineering

Professional Summary 3+ years of experience in the PCB CAM engineering Exposure to FRONTLINE GENESIS 2000 Having exposure in UCAM Exposure to Create, Array & Panelize it for manufacturability Experienced in Creating impedance cou

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