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Questions about cable types, properties, ratings and construction.

0
votes
You need to put a capacitor across the TMP36 supply terminals and (preferably) a small series resistor such as 750\$\Omega\$. There should be no such effect as you are seeing from a reasonable len …
answered May 21 '15 by Spehro Pefhany
8
votes
That part is a plug (male part) not a jack (female part). It gets plugged into a jack. Eg. (From Digikey): This kind of plug part is not designed for small quantity use- the wires will be welded ( …
answered Feb 15 '17 by Spehro Pefhany
0
votes
There are two limitations on wire gauge- temperature rise and voltage drop. Maximum allowable temperature rise depends on the power dissipation and the heat loss so it is not a simple formula. Typic …
answered Jul 29 '17 by Spehro Pefhany
88
votes
Like Jessica Rabbit- because they are drawn that way. Wire production involves pulling (drawing) the wire through successively smaller dies (often with annealing in between). The dies are most easil …
answered Jan 3 '17 by Spehro Pefhany
1
vote
Cheap 75 ohm coax as used for TV typically has loose aluminum wire braid shield with thin thin aluminum wrap. I think the centre conductor is copper-plated steel. Nasty cheap stuff, but usable when …
answered Apr 29 '16 by Spehro Pefhany
2
votes
It should be okay, up to some reasonable ambient temperature. Often the cable will give a temperature rating on it, if that temperature is 90°C then it will work to a fairly high ambient temperature, …
answered Dec 2 '15 by Spehro Pefhany
1
vote
Cable track is one type . Below photo from this datasheet. But it sounds like you're talking about a cable sock, some of which are like Chinese finger traps- they grip the cable and allow it to be …
answered Feb 14 by Spehro Pefhany
13
votes
If you cut the wire near the adapter and extend it from 1.5m to 10m, you can use wire that has 7 times the cross-sectional area and it will behave similarly to 1.5m of wire. That means that the copp …
answered Aug 29 '14 by Spehro Pefhany
1
vote
The optimum size for solid-core wire to fit snugly into a solderless breadboard is AWG 22 (0.64mm diameter), and that will be fine. 12" of AWG 22 wire (two 6" leads) will drop only about 11mV at 700mA …
answered Jun 14 '14 by Spehro Pefhany
2
votes
I like solid magnet wire or wire-wrap wire of about AWG30 for soldered connections. The thin insulation does not tend to allow the wires to bend preferentially where they are stripped and solid is eas …
answered Nov 18 '16 by Spehro Pefhany
4
votes
The spikes in the connector are intended to be crimped overtop of the cable insulation to strain relieve the connector. The holes are to accept the wire and solder. The boot is not useful for stra …
answered Sep 25 '17 by Spehro Pefhany
3
votes
possible to design boards that cannot be manufactured because of the drill steps). Sometimes it's recommended to put two flex cables (each with half the layers) overtop of each other to get a smaller minimum bend radius. You can do that with rigid-flex. …
answered Mar 30 '18 by Spehro Pefhany
5
votes
Since you are using 5V ("5V and the current 0.5A" from a comment), you probably have two limitations, one based on heating and one based on voltage drop. The second may well be the long pole in the te …
answered Feb 20 by Spehro Pefhany
1
vote
In the US, check the NSF (stands for National Sanitary Foundation) for standards regarding products used in the foodservice industry.
answered Sep 21 '16 by Spehro Pefhany
0
votes
There's not even that much available if you're willing to spend thousands. Here's a teaser from Solidworks.
answered Feb 20 '14 by Spehro Pefhany

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