GR >> LM2576-3.3BU 
598327
LM2576-3.3BU
Microchip Technology
Quantity 9000
Packaging IC REG BUCK 3.3V 3A TO263-5
Description original&Quality new original
760223
LM2576-3.3BU
Micrel Inc
Quantity 20000
Packaging IC REG BUCK 3.3V 3A TO263-5
Description original&Quality new original