NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
BAT54SLT1G by Onsemi is a fast recovery Schottky diode with 2 elements in series connected configuration. It has a max reverse recovery time of 0.005 us and a max forward voltage of 0.8 V. Ideal for applications requiring high-speed rectification, it operates b/w -55 to 150 °C and can handle a max output current of 0.2 A.
Diodes Inc. MMBT3904-7-F is a NPN BJT transistor for switching applications. Features include VCEsat of 0.3V, hFE of 30, and IC of 0.2A. With a max operating temp of 150°C, it's ideal for small outline SMT designs in automotive electronics.
Infineon BSS123NH6327XTSA1 is a N-CHANNEL FET with 100V DS breakdown voltage, 0.19A ID, and 6 ohm RDS(on). Ideal for small outline applications requiring high drain current and low on-resistance. AEC-Q101 compliant for automotive use.