Electronics Forum: tsop (Page 5 of 20)

Poor Solderability on TSOPs with Alloy 42 Leadframes

Electronics Forum | Wed Jun 29 17:38:16 EDT 2005 | GS

Several years ago, we had almost same pbm, best results have been obtained by using water soluble paste (those time the old AM1208). Any way, to get a good toe meniscus is not so easy. Talking about CTE, keep in consideration the internal die of TSO

Alloy 42 Anyone?

Electronics Forum | Thu Mar 02 00:40:20 EST 2000 | Low

hi, wonder anyone has done the electrical analysis of Alloy 42 as used in TSOP? I am interested in obtaining the rel. permeability of the ferromagnetic material... where can I find more info? thanks and regards, hong guan low

Re: Fine Pitch 48-pin TSOP

Electronics Forum | Fri Dec 01 01:42:09 EST 2000 | PeteC

I recommend paste print-reflow the bottom side then use a selective wave solder pallet to mask the SMT components on the bottom side. PeteC

Programming equipments

Electronics Forum | Thu Apr 20 03:54:16 EDT 2000 | Anna & Sanda

Hello! We are interested in programming equipments (for devices like BGA, PLCC, TSOP, QFP etc.) and would like recieve names of suppliers. Thanks! // Anna & Sanda

Alloy 42 Anyone?

Electronics Forum | Thu Mar 02 00:40:20 EST 2000 | Low

hi, wonder anyone has done the electrical analysis of Alloy 42 as used in TSOP? I am interested in obtaining the rel. permeability of the ferromagnetic material... where can I find more info? thanks and regards, hong guan low

ESD safe handling baskets

Electronics Forum | Tue Nov 02 06:04:50 EST 1999 | hany a. salam

Hi there IN our facility we made a prototype for a handling basket utilizing the empty trays of the our used chips like TSOP's. We have embeded them into a metal frame. Now I ask if this can work as an ESD safe handling baskets. thankyou Hany

Re: BGA fab: what's reasonable practise for double sided PCB?

Electronics Forum | Thu Jul 15 19:14:08 EDT 1999 | Gord Wait

Thanks for all the feedback. I'm going for the tsop's on back, with approval from manufacturing, of course. This forum is just what the doctor ordered!

dispensing paste for rework

Electronics Forum | Fri Jul 09 11:19:58 EDT 1999 | Carol Brumfield

Has anybody successfully used an automated dispensing system to put solder paste dots on .5 mm pitch pads?? I need to replace some Meritec tsop sockets and I don't want to use the single site stencils for .5 mm parts.

lead straightening

Electronics Forum | Fri Feb 12 09:54:20 EST 1999 | Kris

Hello all, Looking for an automated device for straightening the leads of TSOPs and other gull wing devices prior to tape and reel or tray placement. Appreciate any help! Kris

Re: lead straightening

Electronics Forum | Wed Feb 17 09:38:25 EST 1999 | Jesse Smith

We have machines here that refurbish SOJs, DIPS, PGAs, TSOPs, SOICs, and most QFP. for detailed information call Jesse Smith 800-950-3344 ext 1837


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