2N datasheet, 2N pdf, 2N data sheet, datasheet, data sheet, pdf, Motorola, SILICON CONTROLLED RECTIFIERS. High Surge Current Rating — ITSM = 80 Amps. 2N thru. 2N SCRs NJ Semi-Conductors encourages customers to verify that datasheets are current . 2N Datasheet PDF Download – SILICON CONTROLLED RECTIFIERS, 2N data sheet.
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I’ve got an API console power supply here which has a failed 2N ‘crowbar’ thyristor. I thought that the ever-wonderful Skycraft would have one, but they’ve let me down Is there a more common SCR which I might use in its place to effect datashee repair? I’m afraid I don’t know any part numbers to be able to come up with a sub Harpo Member Rahden, Datashedt Posts: A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
I’ll have a look and see if Skycraft has 2N Slim pickings in terms of choice The only thing I can find is a ” CD ” click for datasheet. Anyone see a reason why this shouldn’t 2h4441 replacing a 2N click for datasheet? If 8A is enough until the fuse blows – why did the SCR break? Any caps changes causing higher surge currents? A more complete datasheet no mention of crowbar use “C”.
2N Datasheet PDF – Motorola => Freescale
Some reading on crowbars http: PDFstarting at pg. SSLtech on August 13, August 14, Well I popped it in and it seems to be okay.
Amek power supplies datasheeh from years ago used to destroy their crowbars Also, this crowbar location is far from ideal Thanks for the thoughts. I’ll tell him to bag some original parts off of eBay I don’t like the power supply design either mechanically or in terms of the protection circuit implementation, but the console itself is a thing of sonic beauty. I got the session up and running in time anyhow, dagasheet he’s all good for now.
Generally these aren’t expected to cycle often, and since they will fail as a short circuit they can be undersized for dataaheet reservoir capacity and still be functional. I would expect a dead short on the output to take out the primary fuse. Internal fuses are generally added to prevent fire hazard or shock hazard from some other internal component failure.
An open internal fuse is as much of a PIA to the customer as any other failure. I once had a hassle with UL about a sticker for an internal fuse SSLtech on August 14, JohnRoberts datasheeg August 14, JohnRoberts on August 15, JohnRoberts on August 16, August 18, I’ve always thought crowbars were a bad idea because they assume the unit has a fuse of the correct rating installed.
If a higher value fuse was installed for whatever reason then you have a guaranteed short circuit with inadequate daasheet no overcurrent protection. Following that reasoning, I think it’s best to replace the fuse with a 22 caliber rifle shell. Then, when the crowbar trips, the rifle shell fires, hopefully killing either the unit itself or the person who designed the circuit, before the power supply catches on fire.
August 19, When Datsheet have money I buy gear.
2N4441 View Datasheet(PDF) – Motorola => Freescale
If there’s any left I buy food. Datashert in your “drawer of shame”? The GAP in my slow coming knowledge October 20, May 08, June 24, June 14, ,