Do you feel that is easier than, say, doing a Muppet board and etching it yourself?

Jack, W8TEE

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From: Ashhar Farhan <farhanbox@...>
To: BITX20@groups.io
Sent: Thursday, January 25, 2018 12:04 AM

Subject: Re: [BITX20] SMD Group Build

I use double side, plain copper clad. Then, with a sharp knife (i use a glass cutter), i score off an island of 3x2 to 5x2 squares of about 0.25inch to a side. I use all around for the ground plane, and solder the 1206 betweeb the pads. The sot23 transistors are soldered at a corner of three squares. If the ground planing ia crucial, i drill a number of holes around the top ground plane and solder small pieces of wire to connect to the Bottom ground

On 25 Jan 2018 10:24 am, "William R Maxwell" <wrmaxwell@...> wrote:

0805 is a happy medium.

Bill, VK7MX

On 25/01/2018 3:20 PM, Jack Purdum via Groups.Io wrote:

I can barely see a 0603! I would prefer 1206 if I can find them and am not too worried about the cost differential.

Jack, W8TEE

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From: Clark Martin <kk6isp@...>
To: BITX20@groups.io
Sent: Wednesday, January 24, 2018 9:15 PM
Subject: Re: [BITX20] SMD Group Build

Clark Martin

KK6ISP

On Jan 24, 2018, at 5:56 PM, Diver Martin <diver.martin@...> wrote:

Mouser & Digikey are my go-to for SMT parts.  They carry just about everything.  If you have other oddball SMT stuff, and either one are out, head to findchips.com.  There are alternate suppliers, but those two always have what I need, either in the exact specified part number, or an equivalent.  Other places will source 1206's and stuff, but might only sell by the full reel (which I have yet to need, except maybe 0.01uF caps or 0.1uF caps across multiple, multiple projects).

SMD resistors/caps (0603, 5% in my case) are usually cheap enough that I buy them in 1000-piece quantity, because $2 of parts for life or $0.5 for the parts I need for the project, and to always have them on hand, is easy.

I’ve only bought from Digikey a few times but I use Mouser all the time.  Also there are Newark and Allied for such supplies.

I bought a set of 0805 resistors (from 0 ohm through several Mohms) and a set of 0805 caps (10s of pF through 1µF).  They came on cards that fit a day planner binder.  There are between 1 and four strips of 25 each for each value (depending on expected usage levels).  I have little trouble working with 0805 parts and they  fit nicely on .1” grid perfboard (with plated through holes).  

When I use up a strip I buy a new strip of 25 at a local electronics shop (Silicon Valley still has a few).

I haven’t done any PCB fabricating yet but that is in the plans.

SMD diodes and transistors of most any size are easily soldered to perfboard.

I’ve also soldered up to 8 pin SOICss buy putting alternate pins on the perfboard pads and tack soldering leads to the other pins.

It definitely makes for smaller boards.