Other NXP ProductsのトピックRe: Allowable void% on MRF1K50N solder joint? https://community.nxp.com/t5/Other-NXP-Products/Allowable-void-on-MRF1K50N-solder-joint/m-p/772201#M5851 <HTML><HEAD></HEAD><BODY><P>Our general safe limit for maximum solder voiding specification is 25% total area voided max and no single void greater than 5%.</P><P></P><P>For thermal strained applications, for a decent solder mount void requirement under the flange is 40 mils "approximately round" max void area and no more than 15% total voided area. 40 mils can be replaced with a 3% max single void area and max 15% overall voiding.</P><P><BR />Have a great day,<BR />Pavel</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 13 Jun 2018 11:00:01 GMT LPP 2018-06-13T11:00:01Z Allowable void% on MRF1K50N solder joint? https://community.nxp.com/t5/Other-NXP-Products/Allowable-void-on-MRF1K50N-solder-joint/m-p/772200#M5850 <HTML><HEAD></HEAD><BODY><P>We are trying to attach our MRF1K50N transistors to copper carriers using reflow soldering and wanted to know if you had a recommended or max allowable void% of the joint, so we know how much we need to improve our process and at what point we can call it successful.</P></BODY></HTML> Mon, 11 Jun 2018 13:56:52 GMT https://community.nxp.com/t5/Other-NXP-Products/Allowable-void-on-MRF1K50N-solder-joint/m-p/772200#M5850 joshterry 2018-06-11T13:56:52Z Re: Allowable void% on MRF1K50N solder joint? https://community.nxp.com/t5/Other-NXP-Products/Allowable-void-on-MRF1K50N-solder-joint/m-p/772201#M5851 <HTML><HEAD></HEAD><BODY><P>Our general safe limit for maximum solder voiding specification is 25% total area voided max and no single void greater than 5%.</P><P></P><P>For thermal strained applications, for a decent solder mount void requirement under the flange is 40 mils "approximately round" max void area and no more than 15% total voided area. 40 mils can be replaced with a 3% max single void area and max 15% overall voiding.</P><P><BR />Have a great day,<BR />Pavel</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 13 Jun 2018 11:00:01 GMT https://community.nxp.com/t5/Other-NXP-Products/Allowable-void-on-MRF1K50N-solder-joint/m-p/772201#M5851 LPP 2018-06-13T11:00:01Z