GR >> LM2576-3.3WU 
598330
LM2576-3.3WU
Microchip Technology
Quantity 9000
Packaging IC REG BUCK 3.3V 3A TO263-5
Description original&Quality new original
760137
LM2576-3.3WU
Micrel Inc
Quantity 20000
Packaging IC REG BUCK 3.3V 3A TO263-5
Description original&Quality new original