Electronics Forum: package shear standard (Page 1 of 38)

Passive component shear Testing

Electronics Forum | Mon May 22 10:41:50 EDT 2000 | Scott G

Can anybody provide information on shear testing of passive components. What standards are used etc. Thanks

reflow solder joint shear strength

Electronics Forum | Wed Jul 03 15:40:17 EDT 2013 | davef

Shear tests are [in my opinion] senseless. The shear stress you measure depends more on the shear rate and on the point where the force is applied than on the grain structure. When shearing a component, you not only apply shear stress, but also roll

How to test & measure capacitors/resistors shear force strength

Electronics Forum | Sat Mar 31 08:47:24 EST 2001 | davef

Sure, researchers measure shear as an element of their material characterization process, but that does not make it an acceptance test. [Truly, this conversation is not uncommon on SMTnet. So, it would not surprise me if an enterprising something o

How to test & measure capacitors/resistors shear force strength

Electronics Forum | Fri Mar 30 13:06:50 EST 2001 | aortiz

Hi, I need support on the method or applicable standard to measure the shear force strength on chip capacitors and resistors. I know the soldered joints strength is related to land desing, solder volume, pcb and component solderability, component

QFN standoff, industry standard

Electronics Forum | Thu Mar 28 13:19:14 EDT 2019 | davef

There is no industry standard for BTC stand-off height. "IPC-7093A Design and Assembly Process Implementation for Bottom Termination SMT (BTC) Components" just finished "Final Draft for Industry Review" in December 2018. It mentions stand-off height

SMT tapes standard

Electronics Forum | Mon Jan 24 11:07:30 EST 2022 | jineshjpr

Hi, In general Tantalum D & E case packages prefers 12mm Reel with sufficient height. Make sure that no external force has been applied to the reel ( where it causes pocket deformation) thus leads to prevent smooth component release. Slowdown the noz

SMT tapes standard

Electronics Forum | Wed Jan 19 20:54:36 EST 2022 | emeto

Hello experts, We have hard time with a tantalum capacitor challenging our 12mm feeder. Pocket seems to small for the part and parts are getting stuck and cannot be picked. In my opinion this part should use 16mm on 12mm pitch rather than 12mm tape

Mydata My12 package creation

Electronics Forum | Tue Oct 26 16:31:50 EDT 2010 | sai

All of the Mydata machine comes with a standard library package; 0402,0603,0805,1206, soic8 and so on.

SMT package types

Electronics Forum | Tue Oct 29 15:07:38 EST 2002 | gregp

SOP small outline package, SOIC small outline integrated circuit, VSOP very small outline package, TSOP thin small outline package,TSSOP thin shrink small outline package, QSOP ???, LQFP low profile quad flat pack, VQFP ??? The packages come and go

Mydata package libraries

Electronics Forum | Tue Oct 24 13:41:25 EDT 2006 | jax

Everybody who uses basic "part-type" naming conventions for machine package codes will have this same issue unless restrictions are placed on who, how, and when the package codes can be altered. Some alternative methods to solving this problem: 1. U

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