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1Pcs L4972A PDIP-20 Switching Voltage Regulators 5.1 to 40V 2.0 Amp

1Pcs LT1376IS8#TRPBF SO-8 Switching Voltage Regulators 500kHz 1.5A S/D Sw Reg.

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1Pcs LT1172CS8#PBF SO-8 Switching Voltage Regulators 1.25A Pwr Sw Reg 100kHz