GR >> A3977SLPTR 
50406
A3977SLPTR
Allegro MicroSystems, LLC
Quantity 18650
Packaging IC MOTOR DRIVER PAR 28TSSOP
Description original&Quality new original
77021
A3977SLPTR
Allegro MicroSystems, LLC
Quantity 20000
Packaging IC MOTOR DRIVER PAR 28TSSOP
Description original&Quality new original