They are from a DCC railroad decoder.
I am "almost certain" that O48A might be a N-Channel mosfet, and O37I a P-Channel mosfet...........however, not able to find them with these references.
Thanks in advance for any hint.
Francesc.
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They are from a DCC railroad decoder.
I am "almost certain" that O48A might be a N-Channel mosfet, and O37I a P-Channel mosfet...........however, not able to find them with these references.
Thanks in advance for any hint.
Francesc. -
03XX SPP2303S23RG SOT-23-3L 3 P-Channel Enhancement Mode MOSFET
https://www.cheertech.com.tw/Syncpow...et/SPP2303.pdf
04XX SPN2304S23RG SOT-23-3L 3 N-Channel Enhancement Mode MOSFET
http://www.cheertech.com.tw/Syncpowe...et/SPN2304.pdf
http://markingcodes.com/search/c/03xx
http://markingcodes.com/search/c/04xx
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Thanks!!Comment
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Are these 03xx and 04xx replaceable by AO3400 & AO3409? These are cheaper and I have them in stock. :-)
I would say yes but happy to have a second opinion.
Regards,
Francesc.
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AISI, the Vgs cutoff is different, so you will need to determine if that makes a difference in your application.Comment
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