2N2222A by Texas Instruments is a small signal NPN bipolar junction transistor (BJT) with a max collector-emitter voltage of 40V and a max collector current of 0.8A. It is commonly used for switching applications due to its fast turn on/off times (35ns/285ns) and high transition frequency (300MHz).
Vishay Intertechnology's CRCW04020000Z0EDHP is a 0402 SMT resistor with 0 ohm resistance, rated for temperatures from -55°C to 155°C. Ideal for jumper applications in automotive electronics due to AEC-Q200 compliance and compact size of 1mm x 0.5mm x 0.3mm.