Diodes Inc.'s BSS138W-7-F is a N-channel FET with 50V DS breakdown voltage, ideal for switching applications. It features single configuration with built-in diode, Gull Wing terminals, and operates in enhancement mode. With 0.2A max drain current and 3.5 ohm RDS(on), it's UL recognized and suitable for small outline packages at temperatures ranging from -55 to 150°C.
ULN2803ADWG4 by Texas Instruments is a peripheral driver with 8 functions, open-collector output characteristics, and built-in transient protections. It operates at temperatures ranging from -40 to 85°C and has a max supply voltage of 3V. Ideal for applications requiring sink current flow direction in a small outline package style.
Vishay Intertechnology's 1N4148WS is a single rectifier diode with a max forward voltage of 1V and output current of 0.15A. With a fast reverse recovery time of 0.004us, it operates up to 150°C. Ideal for applications requiring high-speed switching and low power consumption in surface mount configurations.
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;