ULN2003ADR by Texas Instruments is a NPN BJT with 7 elements, max IC of 0.5A, and VCEsat of 1.6V. Ideal for switching applications in small outline packages with Gull Wing terminals.
LM555CM by Texas Instruments is an Analog Waveform Generation IC with a supply voltage range of 4.5V to 16V and max operating temperature of 70°C. It comes in a small outline package, suitable for applications requiring pulse generation or rectangular waveform outputs. With surface mount capability and low supply current of 15mA, it is ideal for commercial-grade electronic circuits.