How do you get Schottky diodes without having to wait 13 weeks?

[Flyback]

Hello,
I have designed a 500W, 3 channel , switch mode led driver with three schottky diodes on it that have gone non-stocked on Mouser.com, digikey.com, farnell.com and RS…..Mouser and digikey have them listed but it’s a 13 week lead time to get them in….we need these now…(they were in stock when I was laying out the board.)
Do you know how I can get hold of any of the following diodes, which have the necessary POWERDI5060-8 footprint….

SBRT25U80SLP
SBRT20U100SLP
SBRT20M80SLP

SBRT25U80SLP datasheet:-
**broken link removed**

 

[Overclocked]

Have you tried ordering directly from Diodes inc? Usually thats what we do at work if a Distributor doesnt have it,However, they charge a Huge fee for doing so.

 

[Joe G]

I can't recall how many times the same has happened to me usually I get the prototypes done and then when I reorder more I find out that that item is "end of life"

 

[ronv]

It was easier in the good old days. The policy could be that you had to have two sources. But today with so many high tech parts it is easy to fall into the single source trap.

 

[DerStrom8]

I just bought a whole bunch of them from ebay. Make sure you check the seller's ratings though. That could be the difference between you getting the real thing and getting a bunch of duds.

 

[3v0]

Have you check octoparts.com and findchips.com search engines.

 

[Flyback]

we asked diodes inc and they sent us a form so we could register our requirement for the parts.
Octoparts and findchips, I don't know where they get there stock from...how would you know that it wasn't fake dudd stuff?

 

[3v0]

Octoparts and findChips are search engines rather than suppliers. They search some 10s of suppliers inventories. It is up to you to evaluate the hits they return. In general they are either first string suppliers like digikey or outfits that buy up parts left over from production runs. Based on this I would not expect to find counterfeits through them..

 

[ronsimpson]

STPS30M60DJF
STPS30M100DJF
SBRT25M60SLP
STBR25M80SLP
MBR30H100MFS
NRVB30H100MFS
As you can see I was looking for 25 & 30A, 60,80,100V and a package that looks similar. (may not be exact)

 

[Overclocked]

I did this very quick. A cursory glance suggests that this is a good fit (100V, 30A). Mouser says they have 2300 of these

https://www.mouser.com/ProductDetail/STMicroelectronics/STPS30M100DJF-TR/?qs=sGAEpiMZZMtQ8nqTKtFS/ImrW838HvlQ0DiiJ%2bOMFLA=

170V, 30A. Mouser has almost 3k of these.
https://www.mouser.com/ProductDetail/STMicroelectronics/STPS30170DJF-TR/?qs=sGAEpiMZZMtQ8nqTKtFS/ImrW838HvlQ8DO0bJl5CiI=

ADD: Can you get away with having all your diodes be 100V 30A?

 

[Flyback]

These similar parts look good...I will look to see if they fit on the footprint...100v or 80v would be fine......anthing above 10A is fine......

 

[KeepItSimpleStupid]

FB:

See **broken link removed**

"Customers who purchased this product are also interested in"

 

[ronsimpson]

These similar parts look good...I will look to see if they fit on the footprint...100v or 80v would be fine......anthing above 10A is fine......

10-A? There are MORE parts if I include 10A through 30A

 

[Flyback]

I think our governments should pull the semico's in line here, it is ridiculous for each of them to have their own footprint, which has such slight differences to others, that you cannot put an alternative part on there.
Each company has a QFN of pretty much the same size, but footprint differences that mean they cannot fit an alternative part on them

 

[Inquisitive]

There is a new idea. A footprint adapter to change from brand x to brand y.

 

[KeepItSimpleStupid]

Make sure you use a JEDEC registered footprint. https://www.jedec.org/standards-documents/results/taxonomy:3015

 

[ronsimpson]

I think our governments should pull the semico's in line here, it is ridiculous for each of them to have their own footprint, which has such slight differences to others, that you cannot put an alternative part on there.
Each company has a QFN of pretty much the same size, but footprint differences that mean they cannot fit an alternative part on them

The government is so good at ...............solving our problems.

 

[Flyback]

unfortunately, POWERDI5060 is one only at diodes.com

 

[ronsimpson]

In just minutes I see that the FLAT 5X6 , FLAT 6X5 and the DFN6 are the same foot print. Or close enough to work.

 

[KeepItSimpleStupid]

Yea, that's another problem. Then there are metric and English footprints. Don't forget the X-actor knife or scalpel,

I just got a scalpel. Cool knife.