Electronics Forum: soldering leadless chip (Page 1 of 117)

Dealing with leadless chip carriers

Electronics Forum | Wed Feb 16 20:51:37 EST 2000 | Jim

We have to place some LCC208's. The terminations are flush with the underside of the package, on an 0.5mm pitch. The pads on the board are flat tin. We'd like to get the part up in the air a little to provide some clearance for cleaning. Is there a w

Dealing with leadless chip carriers

Electronics Forum | Wed Feb 16 20:51:37 EST 2000 | Jim

We have to place some LCC208's. The terminations are flush with the underside of the package, on an 0.5mm pitch. The pads on the board are flat tin. We'd like to get the part up in the air a little to provide some clearance for cleaning. Is there a w

Re: resistor networks- leadless vs. gull wing

Electronics Forum | Sun Sep 26 14:09:24 EDT 1999 | jgodfrey

I am in the process of picking a new resistor network for one of our new board. Since we are new to SMT i would like to get some opinions on networks. Currently we use one molded gullwing type network on our boards with no problems. Other than sp

Re: resistor networks- leadless vs. gull wing

Electronics Forum | Fri Sep 24 23:33:30 EDT 1999 | Earl Moon

I am in the process of picking a new resistor network for one of our new board. Since we are new to SMT i would like to get some opinions on networks. Currently we use one molded gullwing type network on our boards with no problems. Other than spac

resistor networks- leadless vs. gull wing

Electronics Forum | Fri Sep 24 11:38:32 EDT 1999 | danielm

I am in the process of picking a new resistor network for one of our new board. Since we are new to SMT i would like to get some opinions on networks. Currently we use one molded gullwing type network on our boards with no problems. Other than space

Re: resistor networks- leadless vs. gull wing

Electronics Forum | Mon Sep 27 04:08:25 EDT 1999 | Earl Moon

I am in the process of picking a new resistor network for one of our new board. Since we are new to SMT i would like to get some opinions on networks. Currently we use one molded gullwing type network on our boards with no problems. Other than

SMT leadless component solderability finishes

Electronics Forum | Mon Apr 17 16:17:47 EDT 2000 | Dennis Fall

Typically, Sn/Pb solders are used to preserve solderability on leaded and leadless SMT components. Are other finishes (such as those used in PCB manufacturing e.g. Sn, NiAu, OSP's, etc.) frowned upon by PCB stuffers and their customers? I am intere

Re: Loading leadless parts(passives)by hand

Electronics Forum | Thu Mar 04 12:44:01 EST 1999 | SMTASSY

Hi, For hand placement you should see about 150-200 ppm of errors (solder, placement, values etc) on a board populated of types such as 1206, 0805, SOT, Tantalum etc. . As for solely wrong components (component at wrong location) you can usualy redu

Re: Loading leadless parts(passives)by hand

Electronics Forum | Thu Mar 04 16:40:06 EST 1999 | Dave F

Hi, For hand placement you should see about 150-200 ppm of errors (solder, placement, values etc) on a board populated of types such as 1206, 0805, SOT, Tantalum etc. . As for solely wrong components (component at wrong location) you can usual

Re: Skewing chip components

Electronics Forum | Fri Jun 23 09:36:58 EDT 2000 | C.K.

Chrys: Funny that you mention that, but here at my company, our oven is blamed on almost everything: skewing, tombstoning, solder shorts, etc.... In fact, we often have to tell the supervisors, "It's not the oven because we don't turn the skewing

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