1N5819HW-7-F by Diodes Inc. is a Schottky rectifier diode with 40V reverse test voltage, 1A output current, and 0.75V forward voltage. It's a surface mount device in a small outline package ideal for efficiency applications at temperatures ranging from -65 to 125°C.
1N4148WS-7-F by Diodes Inc. is a single rectifier diode with max reverse recovery time of 0.004 us and max reverse current of 1 uA. It operates b/w -65 to 150 °C, ideal for applications requiring small outline surface mount diodes with a max output current of 0.15 A.
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;