From: "Frank Bemelman"
References: <email@example.com> <firstname.lastname@example.org>
Subject: Re: What are these terms in PCB design?
Date: Fri, 4 Oct 2002 16:59:00 +0200
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Organization: EuroNet Internet
NNTP-Posting-Date: 04 Oct 2002 15:03:55 GMT
"John Larkin" schreef in
> On Thu, 3 Oct 2002 23:32:28 +0200, "Frank Bemelman"
> >We have used leds from Siemens (or is it infineon, or osram) SFH484 and
> >changed to SFH486 (both 5mm led). They look the same, but the 486 has a
> >long lead as cathode, and this is also located on the round side. The
> >anode is on the flat side of the led. With the 484 it is the other way
> >round, the long one is anode, and is on the flat side of the led. The
> >idiot at Siemens who did this SFH486 ought to be hanged *AND* shot.
> Well, as regards hanging and shooting, let's find the guys who picked
> the SOT-23 pinouts
> ---1--- ---3--- ---2---
> 2-----3 1-----2 1-----3
> and invite them to the necktie party.
> And SOT-143? Hanging is too good for them.
Indeed! I also would like to know who invented serial communication
over RS232 with hardware handshaking RTS/CTS/DTR/DSR. Although it
not such a problem anymore these days, let's hang the guy for old
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