n-channel silicon field-effect transistor 30V, 6.5mA, 300mW, 6mS Manufacturer: Philips Semiconductors n-channel silicon field-effect transistor 30V, 15mA, 300mW, 6mS Manufacturer: Philips Semiconductors n-channel silicon field-effect transistor 30V, 25mA, 300mW, 6mS Manufacturer: Philips Semiconductors n-channel silicon field-effect transistor p-channel silicon field-effect transistor n-channel silicon field-effect transistor