When bias voltage reached 0.7V

After the barrier voltage cancelled

Voltage across zener reached 0.3V

Voltage across it reached the zener voltage

40 Hz

60 Hz

100 Hz

200 Hz

PIV voltage

Knee voltage

Break down voltage

Forward break down voltage

Thermal test

Chemical test

Mechanical test

Physical and sensory test

Signal diodes

Rectifier diodes

Switching diodes

High power diodes