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#PART NUMBERDESCRIPTIONPRICE ▲ STOCKSHOPCCSC
1LM2577T-ADJNational Semiconductor LM2577T-ADJ Step-Up Regulator TO-220-5, Sold Each$2.25☺︎Parts Mine🇺🇸ID
2LM2577T-ADJLM2577T-ADJ - NATIONAL SEMICONDUCTOR - Boost, Flyback, Forward Converter Switching Regulator IC Positive Adjustable 1.23V 1 Output 3A (Switch) TO-220-5$10.00☺︎Ace Electronics🇺🇸TX
3LM2577T-ADJLM2577T-ADJ 3A Adjustable Step Up Voltage Regulator IC National Semiconductor®☺︎West Florida Components🇺🇸FL