"rating" search results in the Electronics Forums

1881 results found for "rating" in the Electronics Forums

Order by: Relevancy |   Date

Soldering Issue in Sensor component

Dec 27, 2019 | Dear Team, We are facing open solder issue in a sensor component. Rejection rate is 2 out of 50 c

PCB Thickness and BLR

Jun 25, 2019 | That is possibley CTE mismatch between QFN and PCB material, the thicker PCB the higher fail rate.

Cost Per Placement

Oct 30, 2018 |

Repairing Samsung SMxxx Feeders

Apr 2, 2018 | 6/400 per week seems high? 1.5% failure rating, technically close to 75% annual failure rating. Is

Moisture sensitivity

Jan 14, 2015 | MSL rating is not tied to a specific package type/size. I have seen 2 components (ICs) have the sam

Moisture sensitivity

Jan 13, 2015 |

Looking for equipment

Feb 20, 2014 |

01005 components and reflow profiles

Apr 16, 2012 | 6 or 7 replies and 3 *flamer* ratings already? And here I thought this was good info above...

Fuji CP43 air consumption

Aug 26, 2010 | Hello all, I have a few CP43's and am struggling to find their air consumption ratings. I found t

To reduce the dross formation in wave soldering process

Apr 15, 2010 | Dross formation rates for SnCu and SAC are roughly 2.5 times the rate for SnPb (Hwang et al., 2004)

Chosing ENIG vs OSP

May 25, 2009 |

CM cost formula

Mar 2, 2009 | That might because every CM has a different overhead rate. In general, your costs should be mater

Bubbles in Conformal Coating

Feb 3, 2009 | I would also suggest looking at your ramp rate in the cure oven. We noticed that accelerated heatin

AOI false fail PPM

Aug 8, 2008 |

Profiling - suspect flux burn out before reflow trouble shooting

Jul 4, 2008 | Try a linear, very flat ramp rate on the order of 0.5 degrees celcius per second. I know this is ha

Floor life pcb assembly

Apr 23, 2008 | Floor life of a PCB is rated in years. Are you asking about the solder paste or something else?

SN100C + phosphorus

Feb 18, 2008 | SN100C contains no phosphorus. It has a dross rate equal or lower than tin-lead solder, where as SAC

Manufacturing Floor Ventilation

Jan 23, 2008 | Ventilation rates express the flow rate of outside air brought into a building and are typically nor

Manufacturing Floor Ventilation

Jan 22, 2008 | A minimal ventilation rate of 0.05 cfm per square foot, the recommendation of the 1998 International

Reflow Oven & Surface Mount Machine Energy Consumption

Jan 22, 2008 | Not quite correct Jon. Ovens will use roughly 1/2 their rated power consumption at temp. but will dr

RoHS PCB Questions

Nov 19, 2007 |

PCB Warpage in Reflow

Jul 13, 2007 | Good afternoon, Heating/Cooling rates contribute to warpage most of all. Try to tweak you profile

Lead-Free BGA Rework

Jun 27, 2007 |

simple doubt about reflow profile

Feb 16, 2007 | Hi Darby, Where did you get the info. that cooling rate is not-as-critical for lead-free? I'm no

Stencil Cleaning

Jan 4, 2007 | 1) determine the rate of cleaning frequency related defects your production can tolerate. 2) determi

High TG?

Nov 13, 2006 |

Peak Temperature

Oct 18, 2006 | Hi all, If a component is rated as Peak Temperature 225 DegC. Is there a safety factor built into

SAC solder balls reflow with Sn/Pb paste - Voids Issue

Oct 6, 2006 | Mario, what happens when there are components on the boards that are not rated to take temperature

Solder beads and wave soldering

Jul 5, 2006 | Is the flux rated for lead free? These higher temps will cause most lead rated fluxes to burn off p

Oop's Pb BGA's in a RoHS process?

Jun 21, 2006 | Unless it was an x-rated tool built by a woman.

GSM1 Component Recognition

Jun 5, 2006 | Our experience has been similar to yours. Not the best placements rates for 0603 caps. I can't tel

Flux Residues In Lead Free Wave Soldeing Process

Mar 27, 2006 | Is the flux rated for lead free temps?

type of machine

Mar 8, 2006 | I was wondering what type of machine would be the best for high production rate of small pcb boards.

profile ramp starts in??

Feb 20, 2006 |

Humidity in SMT room

Feb 17, 2006 | I depends on your components, your ESD program, and the max rating your equipment can deal with.

Dry Box Storage

Jan 18, 2006 | That is an interesting idea. Would the air circulation increase the rate of oxidation on the compone


Jan 9, 2006 | I'm new on this, what's the standard rate for each placement on passive and active components and ho

Soldering with Electroless nickel

Nov 29, 2005 | The dissolution rate of nickel into tin is a lot slower than that of copper [into tin]. This results


Flexible high speed pick & Place