GR >> LM2576-5.0BU 
598334
LM2576-5.0BU
Microchip Technology
Quantity 9000
Packaging IC REG BUCK 5V 3A TO263-5
Description original&Quality new original
760225
LM2576-5.0BU
Micrel Inc
Quantity 20000
Packaging IC REG BUCK 5V 3A TO263-5
Description original&Quality new original