Electronics Forum: component minimum requirements (Page 1 of 167)

SMEMA Interface minimum requirements

Electronics Forum | Mon Oct 21 14:57:19 EDT 2019 | kylehunter

Sure thing. They are attached.

SMEMA Interface minimum requirements

Electronics Forum | Mon Oct 21 14:45:14 EDT 2019 | compit

Show this drawing because we know nothing. At the end I put on the button - downstream is a "closed contact" signal.

SMEMA Interface minimum requirements

Electronics Forum | Mon Oct 21 15:14:53 EDT 2019 | compit

As you can see in machine B on pins 1-2, the circuit closes - give the button / contact here. The voltage you provide most likely applies to pins 3-4. In my (and in the SMEMA standard) it looks like this:

SMEMA Interface minimum requirements

Electronics Forum | Fri Oct 18 15:29:16 EDT 2019 | kylehunter

Hi all. We are currently trying to build a downstream bypass to have our final conveyor feed into our oven, which doesn't have a SMEMA interface. Right now we have to manually connect the two downstream ready pins by hand. I have a good idea of how I

SMEMA Interface minimum requirements

Electronics Forum | Mon Oct 21 18:24:08 EDT 2019 | dougt

I haven't thought about this in a while, wrote up something on how this works here years ago. I think I remember..... As you know the first machine finishes the board and is "ready to send". It tells the second machine this by connecting pins 3 &

Depanel requirements

Electronics Forum | Mon Jan 17 17:20:40 EST 2011 | dyoungquist

The cut can be as close to the component as you want as long as you do not damage the component or any surface mount pads/traces/through holes/internal pcb planes etc.

Depanel requirements

Electronics Forum | Mon Jan 17 14:50:26 EST 2011 | tombstonesmt

Any suggestions? How far can the cut be from the component to sum up the question.

Depanel requirements

Electronics Forum | Tue Jan 25 21:35:26 EST 2011 | rway

It seems 1/16" has been speced (component to pcb edge). This is our spec and we conform to IPC, but I am not completely sure if this is what IPC std states. Does anyone else know if this is in deed the true spec?

Depanel requirements

Electronics Forum | Fri Jan 14 17:03:17 EST 2011 | tombstonesmt

We are currently running a new product with some very tight tolerances while depaneling. We are using a table top 3 axis robot w/ a drill. My question is what is the min/max distance between a component and the edge of the board? I'm having a hard ti

minimum thickness - Gold flash finish

Electronics Forum | Mon Sep 24 10:07:46 EDT 2012 | eezday

The answer, as stated above, is 3 microinch's however, it is equaly important, if not more important, to understand that the only function of the gold is to protect the surfaces beneath it. Only enough gold to cover the nickel beneath it should be u

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