GR >> LM2575-3.3WU 
598282
LM2575-3.3WU
Microchip Technology
Quantity 9000
Packaging IC REG BUCK 3.3V 1A TO263-5
Description original&Quality new original
760135
LM2575-3.3WU
Micrel Inc
Quantity 20000
Packaging IC REG BUCK 3.3V 1A TO263-5
Description original&Quality new original