Electronics Forum: marking and code and sot-23 (Page 2 of 2)

Bar Coding - auto print and apply solutions

Electronics Forum | Tue Mar 20 15:59:15 EDT 2007 | blnorman

We use preprinted labels and laser coding. For PCB we laser mark with CO2 (NdYAG for the aluminum heat spreaders). We either have an epoxy legend to burn out or we burn the solder mask to expose the copper ground plane underneath. Laser is a much

Re: resistor and capacitor naming codes for smt.

Electronics Forum | Mon Sep 28 09:18:30 EDT 1998 | Ben Wilmot

The majority of SMT resistors use the following notation. 10 X eg 153 represents 1k5 resistor The third digit in the sequence denotes the number of zeros to add after the first two digits giving the value in ohms. Many Caps will follow the same nota

Bar Coding - auto print and apply solutions

Electronics Forum | Tue Mar 27 18:37:10 EDT 2007 | gregcr

I'm actually in the process of phasing in direct inkjet marking on my bare boards. The MEK based inks dry almost on contact, and the machines I have use a videojet excel HD printhead. I'm looking forward to see how it works for us. I think it may

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