Maximum Forward Voltage Drop per element at 1.0A DC: 1.1 V
Typical Junction Capacitance: 20 pF
Package: DO-15
Weight: 0.38 grams
Operating and Storage Temperature Range: -65...+175 °C
Polarity and Pinout
The 1N5391 diode has a cathode (-) and anode (+). In the schematic symbol, the tip of the triangle with the line on top of it is the cathode. The cathode is marked on the body of a diode by a band as shown below.
The current can flow from only the anode to the cathode and never from the cathode to the anode - the 1N5391 diode is like a one way electric valve.