QFN’s in a Lead-free environment (like SAC305). > On Apr 26, 2018, at 1:19 PM, Stadem, Richard D <[log in to unmask]> wrote: > > Bev, you anwered at 12:17 my time, and I sent at 12:18 my time. > Then I read your response below. > Great minds think alike, eh? > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of BEV CHRISTIAN > Sent: Thursday, April 26, 2018 12:17 PM > To: [log in to unmask] > Subject: Re: [TN] Flux question > > Joey, > You probably don’t want to hear this, but… the answer is “it depends”. How marginal is marginal? What is the lead finish? Are the pad connected to a ground plane? What is your reflow profile? > > Regards, > Bev > > Sent from Mail for Windows 10 > > From: Jose A Rios > Sent: Thursday, April 26, 2018 1:06 PM > To: [log in to unmask] > Subject: [TN] Flux question > > Is ROL0 flux an adequate one when faced with having to solder marginally oxidized components. Or should a different flux type be selected. Application is ground based/hi-rel (non flight). Flowdown is J-001 (not space addendum). Thanks…. > > > José (Joey) Ríos, Sr QA Engineer > Mission Assurance Manager > Kavli Institute for Astrophysics & Space Research Massachusetts Institute of Technology [log in to unmask]<mailto:[log in to unmask]> > (617)324-6272