It's a 1N4148 Zener diode. This is a fast switching diode it has peak repetitive voltage 100v and peak forward surge current 2A. This type of fast switching diode are generally use in power supply digital control board, PFC controller circuit, DC DC converter circuit, Battery charging circuit.
- Fast switching Diode
- Peak repetitive Reverse voltage is 100V
- RMS reverse voltage is 75V
- Peak forward surge current is 2A
- Forward continuous current If 300mA
- Reverse recovery time 8ns
- Available in DO-35 Package