MR856 overview
The MR856 is a 600V 3A Fast Recovery Diode made by onsemi. Main ratings: Max. RMS Reverse Voltage 420V; Average Rectified Current 3.0A; Max. Reverse Current 0.010mA; Max. Forward Voltage Drop 1.25V. The absolute maximum ratings table on this page lists the 6 limits from the manufacturer's datasheet that must not be exceeded. This page brings together the MR856 key specifications and maximum ratings, with the full datasheet PDF to preview below or download.
Key specifications
Max. RMS Reverse Voltage (Vr)
420V
Average Rectified Current (Io)
3.0A
Max. Reverse Current (Ir)
0.010mA
Max. Forward Voltage Drop (Vf)
1.25V
Reverse Recovery Time (Trr)
100ns
Datasheet
mr851-2.pdf
Absolute maximum ratings
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Repetitive Reverse Voltage | VRRM | 600 | V |
| Non-Repetitive Peak Reverse Voltage | VRSM | 650 | V |
| RMS Reverse Voltage | VR(RMS) | 420 | V |
| Average Rectified Forward Current | IO | 3.0 | A |
| Non-Repetitive Peak Surge Current | IFSM | 100 | A |
| Operating and Storage Junction Temperature Range | -65 to +125 | °C |
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