1N4938 200V 500mA General Purpose Diode
Series 1N4000
1N4938 overview
The 1N4938 is a 200V 500mA General Purpose Diode made by Fairchild Semiconductor. Main ratings: Max. RMS Reverse Voltage 200V; Average Rectified Current 0.5A; Max. Reverse Current 0.1mA; Max. Forward Voltage Drop 1.0V. The absolute maximum ratings table on this page lists the 4 limits from the manufacturer's datasheet that must not be exceeded. This page brings together the 1N4938 key specifications and maximum ratings, with the full datasheet PDF to preview below or download.
Key specifications
Max. RMS Reverse Voltage (Vr)
200V
Average Rectified Current (Io)
0.5A
Max. Reverse Current (Ir)
0.1mA
Max. Forward Voltage Drop (Vf)
1.0V
Total Power Dissipation (Ptot)
500mW
Datasheet
1n4938.pdf
Absolute maximum ratings
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Repetitive Peak Reverse Voltage | VRRM | 200 | V |
| Pulse Width = 1.0 microsecond | 4.0 | A | |
| Storage Temperature | TSTG | -65 to +200 | °C |
| Junction Temperature | TJ | 175 | °C |
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