LL4148GS08 by Temic Semiconductors is a glass diode with a max reverse recovery time of 0.008 us and max forward voltage of 1 V. It is a rectifier diode with a max output current of 0.15 A, ideal for applications requiring fast switching speeds and low power dissipation in electronic circuits.
ULN2803ADW by Texas Instruments is a peripheral driver with 8 functions, open-collector output characteristics, and built-in transient protections. It operates b/w -40 to 85 °C and has a max supply voltage of 3 V. Ideal for applications requiring buffer or inverter-based peripheral drivers with sink current flow direction.
MMBT2907ALT1G by Onsemi is a PNP BJT transistor with 100 min hFE, 60V VCEO, and 200MHz fT. Ideal for switching applications, it has a small outline package with Gull Wing terminals and can handle up to 0.6A of collector current.
RECTIFIER DIODE; Surface Mount: NO; Maximum Operating Temperature: 175 Cel; Maximum Reverse Recovery Time: .004 us; Maximum Non Repetitive Peak Forward Current: .5 A; Maximum Forward Voltage (VF): 1 V;