Electronics Forum: pqfp240 (Page 1 of 1)

Re: Altera PQFP240 Solderability

Electronics Forum | Tue Apr 14 10:21:11 EDT 1998 | EFData

Does that part still have a heat sink built into it or is it the plastic package? Justin Originally, we also thought the heat sink may be causing problems, so we conducted tests on both the plastic package and heat sink versions. Nothing conclusi

Altera PQFP240 Solderability

Electronics Forum | Mon Apr 13 17:03:40 EDT 1998 | EFData

We are having some difficulty soldering a 240 pin Altera device. We use Alpha WS-609, a very generic profile for that solder paste, and a 6 mil stencil with laser cut apertures (1:1 ratio). This is a 20 mil pitch device (aperture size is 10 mils X 75

Re: Altera PQFP240 Solderability

Electronics Forum | Tue Apr 14 09:38:07 EDT 1998 | Earl Moon

We are having some difficulty soldering a 240 pin Altera device. We use Alpha WS-609, a very generic profile for that solder paste, and a 6 mil stencil with laser cut apertures (1:1 ratio). This is a 20 mil pitch device (aperture size is 10 mils X

Re: Altera PQFP240 Solderability

Electronics Forum | Tue Apr 14 09:01:36 EDT 1998 | Justin Medernach

We are having some difficulty soldering a 240 pin Altera device. We use Alpha WS-609, a very generic profile for that solder paste, and a 6 mil stencil with laser cut apertures (1:1 ratio). This is a 20 mil pitch device (aperture size is 10 mils X

Re: Altera PQFP240 Solderability

Electronics Forum | Thu Apr 16 13:50:49 EDT 1998 | Lou

We are having some difficulty soldering a 240 pin Altera device. We use Alpha WS-609, a very generic profile for that solder paste, and a 6 mil stencil with laser cut apertures (1:1 ratio). This is a 20 mil pitch device (aperture size is 10 mils X

Re: Altera PQFP240 Solderability

Electronics Forum | Thu Apr 16 13:47:36 EDT 1998 | Lou

We are having some difficulty soldering a 240 pin Altera device. We use Alpha WS-609, a very generic profile for that solder paste, and a 6 mil stencil with laser cut apertures (1:1 ratio). This is a 20 mil pitch device (aperture size is 10 mils X

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