Not a video. Zero-ohm link picture.
Added 2019-10-23 18:36:38 +0000 UTCTo answer Fredrik's comment about the zero ohm link, here's a look inside one.
It's made like a traditional resistor that would use two end caps on a carbon coated cylinder, but instead uses a solid copper cylinder.
Comments
100 quarter watt resistors £0.94 100 zero ohm links £2.59
Big Clive
2019-10-24 01:37:18 +0000 UTCBecause they already have machines on the production line designed to automatically place standard resistors. You can also get machines that place standard wire links, but that requires another machine.
Kean
2019-10-23 23:18:00 +0000 UTCDoes that make 0-ohm resistors more expensive than standard resistors (due to increased material costs)?
Zachary Faragher
2019-10-23 22:15:38 +0000 UTCNo idea about the copper ones Clive has, but the ones I mentioned in the other thread are rated <20mΩ and max 1.5 A so 0.045 W max (the "wire in molded resin" variants can handle 8-10 A depending on model).
2019-10-23 21:30:32 +0000 UTCIs it limited to 1/4 watts?
2019-10-23 21:17:25 +0000 UTCI remember using these 30 years ago... I always wondered what the tolerance was... 5%, 10% or 1% even!! :-D The black line obviously means 'zero' ohms...
Stephen Eyles
2019-10-23 21:10:24 +0000 UTCWas just about to ask why even use it.. :D
2019-10-23 19:37:07 +0000 UTCI'm guessing that this is for when you want to use the same circuit board with different components, and sometimes you want a resistor but not always.
Phil Boswell
2019-10-23 19:34:13 +0000 UTCWhy even use a link when you could have brought that track further to ground line? Is that just to keep that line as short as possible?
btSchmieds
2019-10-23 18:49:35 +0000 UTCCopied from google The reason zero-ohm resistors are used is because components in most printed circuit boards are inserted by automatic insertion machines rather than manually by humans. ... So, instead zero-ohm resistors are used in place. Zero-ohm reisstors are also ideal in that they can be more easily removed than jumper wires.
2019-10-23 18:48:18 +0000 UTCWhy don't they just use a piece of wire like the leg of the link, or is that too laughably simplistic?
2019-10-23 18:45:56 +0000 UTCThanks Clive I learned something new today.
Nuts 'n' Proud
2019-10-23 18:39:35 +0000 UTCnicely shown!
Michael Thompson
2019-10-23 18:39:15 +0000 UTC
