1N4148 is a high speed switching diode. The switching diodes are designed such that their reverse recovery time is very small compared to ordinary diodes. The typical switching time is 4 nsec. It comes in hermetically sealed leaded glass package. The PIV rating is 100V. The maximum repetitive peak forward current is 450 mA. Other high speed switching diode is 1N4448.
Project Datasheet
https://www.engineersgarage.com/wp-content/uploads/2019/10/1N4148.pdfFiled Under: Components
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