General > General Technical Chat
Post the worst datasheet lies you've caught
tom66:
--- Quote from: Psi on January 05, 2024, 11:35:05 am ---Did it say 300A continuous though?
--- End quote ---
Indeed, every time I've seen those very high power FETs it notes that the current is limited by the package first. The high current rating of the actual silicon I guess is for assurance (and pulse applications where the leads survive high current momentarily.) Anyone putting 300A continuously through a TO220 is in for a bad time.
Psi:
I wonder if they are using the same silicon die in their TO220 as their PowerSOIC(8-DFN 5x6).
Might explain where the ratings come from.
David Hess:
--- Quote from: tom66 on January 05, 2024, 12:40:04 pm ---Anyone putting 300A continuously through a TO220 is in for a bad time.
--- End quote ---
What about 300A through a TO-92, and at 35 ohms?
EPAIII:
I think I had one of those 300 A, TO-220 transistors once. I believe my fingerprint is still melted into it.
Not a joke. Real fingerprint in whatever the plating alloy was. OUCH!
And it did survive and continue to operate! So did my finger.
--- Quote from: tom66 on January 05, 2024, 12:40:04 pm ---
--- Quote from: Psi on January 05, 2024, 11:35:05 am ---Did it say 300A continuous though?
--- End quote ---
Indeed, every time I've seen those very high power FETs it notes that the current is limited by the package first. The high current rating of the actual silicon I guess is for assurance (and pulse applications where the leads survive high current momentarily.) Anyone putting 300A continuously through a TO220 is in for a bad time.
--- End quote ---
JPortici:
--- Quote from: David Hess on January 06, 2024, 08:01:06 am ---
--- Quote from: tom66 on January 05, 2024, 12:40:04 pm ---Anyone putting 300A continuously through a TO220 is in for a bad time.
--- End quote ---
What about 300A through a TO-92, and at 35 ohms?
--- End quote ---
Which of course was meant to be milliamps
https://docs.rs-online.com/4c4b/0900766b8137e252.pdf all pages mentions milliamps, besides the offending graph
and on the current version
https://ww1.microchip.com/downloads/aemDocuments/documents/APID/ProductDocuments/DataSheets/DN2535-Vertical-DMOS-FET-Data-Sheet-DS20005541.pdf
report milliamps
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version