Diodes, Switching Diodes, MMSD4148T1G, onsemi - tatanh1983/conchodom GitHub Wiki

A switching diode provides the same functionality as a switch. It has high resistance below the specified applied voltage like an open switch, whereas above that voltage it changes in a sudden way to the low resistance of a closed switch.

https://www.futureelectronics.com/c/semiconductors/discretes--diodes--switching/products