Sulfur Resistant SMD Resistors - Page 1
Forum section: electronics / general

author: rdl
author_rank: Super Contributor
timestamp: July 07, 2017, 08:43:47 pm
content: Sulfur Resistant Thick Film Chip SMD Resistors.Quotehttps://www.newegg.com/Product/Product.aspx?Item=N82E16813145010I'd never heard of such a thing but apparently it's real and not just complete computergamerphoolery. I don't really see that it's going to make much difference in a PC used in the home or business environment though. So in that sense, probably just marketing.

author: Cyberdragon
author_rank: Super Contributor
timestamp: July 07, 2017, 09:00:51 pm
content: If people would stop smoking indoors this wouldn't be a problem.Or it could be smog, but that would warrent a better air filter becuase that could harm more than electronics, aka lungs.The only place I see this being useful is in the military where there could be alot of smoke and fumes.

author: Zero999
author_rank: Super Contributor
timestamp: July 07, 2017, 09:06:26 pm
content: Quote from: Cyberdragon on July 07, 2017, 09:00:51 pmWhat the hell are they smoking coming up with that shit?

author: jpanhalt
author_rank: Super Contributor
timestamp: July 07, 2017, 09:27:18 pm
content: Do your farts smell like rotten eggs or a bad catalytic converter? If so, get special fart-resistant ( FR-type) capacitors.I will continue to get the non-FR certified type.John

author: PedroDaGr8
author_rank: Super Contributor
timestamp: July 07, 2017, 09:31:08 pm
content: This is likely intended for petrochemical applications or possibly geological research applications. In both, you will encounter VERY VERY high sulfur concentrations, enough to be toxic if not fatal.

author: Zero999
author_rank: Super Contributor
timestamp: July 07, 2017, 09:52:27 pm
content: Quote from: PedroDaGr8 on July 07, 2017, 09:31:08 pmNo mention is made of petrochemical applications or any approvals which would probably be required for corrosive environments. Only the resistors were mentioned. Other components such as connectors and electrolytic capacitors will be far more susceptible to corrosion by sulphur than the resistors. It's marketing wank.

author: PedroDaGr8
author_rank: Super Contributor
timestamp: July 07, 2017, 09:55:41 pm
content: Quote from: Hero999 on July 07, 2017, 09:52:27 pmDoh, just noticed this was on a motherboard not just the existance of sulfur resistant resistors themselves.Ignore me, I'll go sit in the corner now.

author: jpanhalt
author_rank: Super Contributor
timestamp: July 07, 2017, 10:17:26 pm
content: Quote from: PedroDaGr8 on July 07, 2017, 09:31:08 pmWhat is a "very very high" concentration?The thing about sulfur compounds is they are detectable by smell at "very, very, low" concentrations.HCN is only about twice as toxic as H2S based on REL and other measures. H2S, however, is easily smelled at those concentrations.John

author: cdev
author_rank: Super Contributor
timestamp: July 07, 2017, 10:51:02 pm
content: They recetly discovered that H2S (which has an ancient history thats entangled with the earliest life forms on Earth) has some kind of suspended-animation-inducing effect on the nervous system at doses which would be expected to be toxic, so now there is a ton of research going on in medicine on this, and they are very close to using H2S for suspended animation, putting people into a deep sleep - suspended animation- while cooling their bodies, to buy time when they have a serious injury.

author: drtaylor
author_rank: Regular Contributor
timestamp: July 07, 2017, 11:41:20 pm
content: I believe Sulfur resistant resistors were developed for the Auto industry (wouldn't swear on it though). I don't see how they would make a motherboard more reliable.

author: cdev
author_rank: Super Contributor
timestamp: July 08, 2017, 01:36:33 am
content: It seems highly possible to me that products coming out of the earth contain sulfur to me just based on where they come from, inside the earth.All volcanic eruptions contain lots of sulfur, also in the plume of volcanoes, sulfuric acid ends up in the air and kills plants and animals in large numbers. Its very irritating to people too.

author: Cyberdragon
author_rank: Super Contributor
timestamp: July 08, 2017, 01:56:54 am
content: Quote from: cdev on July 08, 2017, 01:36:33 amAnd why would someone be using a computer on a VOLCANO?!

author: SeanB
author_rank: Super Contributor
timestamp: July 08, 2017, 02:42:27 am
content: So they use SMD resistors that have a coating applied after trimming, instead of using a bare film resistor. I guess the bare resistors are only used by those who are making hybrids, so the outgassing of the solvents does not contaminate, and there is no film to dissolve in the aggressive wash before final sealing of the hermetic case. in other words the same resistors you buy at any vendor, just marketing found another buzz word.

author: GreyWoolfe
author_rank: Unknown
timestamp: July 08, 2017, 03:39:11 am
content: I didn't realize that the Devil was working on one of his EE project that he would need these

author: cdev
author_rank: Super Contributor
timestamp: July 08, 2017, 03:48:41 am
content: Petroleum industry?

author: vodka
author_rank: Frequent Contributor
timestamp: July 08, 2017, 05:24:54 am
content: Quote from: Cyberdragon on July 08, 2017, 01:56:54 amOr maybe a somebody who has many rendezvous with devil

author: abraxa
author_rank: Frequent Contributor
timestamp: July 08, 2017, 06:30:16 am
content: Quote from: drtaylor on July 07, 2017, 11:41:20 pmI'd be surprised if that was the case because there's no point to using special resistors when there's thick conformal coating inside the ECU.

author: zl2wrw
author_rank: Regular Contributor
timestamp: July 16, 2017, 05:30:25 am
content: Well, I don't know about PC motherboards, but I have seen a PLC have issues with corrosive atmosphere...A long time ago when I was an apprentice, I helped wire a fellmongery (1st part of the process of turning raw animal skins into leather). The architect who designed the place, put the biofilter (blow the exhaust air through a big bed of bark chips and bacteria to remove noxious gasses) right next to the Motor Control Centre with only a marine-grade ply partition wall between the two.When the plant operators got the process wrong, "liquor" from the biofilter would leak under the partition wall and flood across the floor of the MCC. PLCs do not like repeated exposure to air containing H2S, SO2 and NH3!At one stage, as a test, we striped a wire to get some bright copper, hung it from the cable ladder in the MCC, and the next day the copper had turned blue/black.