https://www.weetcl.com/High_Speed_Switching_Diodes/LL34_LL4148.html
LL4148 is a small single switch diode that, like most diodes, only allows current to flow in one direction. LL4148 is a silicon epitaxial planar diode with cathode strip identification, using a glass encapsulated version.
LL4148 has high conductivity and reliability, characterized by a fast recovery time of 8ns to 4ns only at a forward current of 300mA. Therefore, LL4148 diodes are used for fast switching.
The main use of the LL4148 diode is for fast switching, as well as various other projects such as heat monitoring, detecting LED status, and controlling another circuit.
Compared to standard silicon diodes, the LL4148 diode can ensure better performance in high-frequency applications.
WEET LL-34 LL4148 Fast Switching Diode Minimelf SOD80 Tape and Reel Application:
Relay isolation, Speed switch, Signal processing, Can be used to prevent reverse polarity issues, Protection of power electronic switches operating at high switching frequencies, Used as a protective device, Current regulator
