ST Micro L78S05CV Semiconductor, 2 Amp Positive Voltage Regulator, 5 V, 4.6 mm W x 9.15 mm H x 10.4 mm L (Pack of 10), 4.5999999999999996 millimeters width, 10.4 millimeters Length, Volts (Pack of 10). Product type - linear regulator. Country of origin: united states. Pin count - 3. ST Micro L78S05CV Semiconductor, 2 Amp Positive Voltage Regulator, 5 V, 4.6 mm W x 9.15 mm H x 10.4 mm L (Pack of 10), 4.5999999999999996 millimeters width, 10.4 millimeters Length, Volts (Pack of 10). Unit Count : Semiconductor.