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updating the CRITTER RIDDER to SMD

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MrDEB

Well-Known Member
need to find an appropriate SMD transistor to replace the 2n3904 I am presently using.
Looking at this one
https://www.electro-tech-online.com/custompdfs/2011/03/2PC4081_5.pdf
still need to figure out if going SMD or through hole. The TO-220 mosfets need to be through hole anyway. which would be soldered on same side as all the SMD components but not much clearance between case and pcboard for to92 components
any suggestions
 
Google search:
FMMT3904 Zetex SOT123
MMBT3904 Motorola (ON Semiconductors) SOT123

Ken
 
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