| HVRM11 Low frequency high voltage diode Data Sheet | ||||
| Parameter | Symbol | Unit | Test Conditions | Value |
| Repetitive Peak Backward Voltage | Vrrm | KV | Ta=25℃ Ir=2.0μA | 11 |
| Peak Working Backward Voltage | Vrwm | KV | Ta=25℃ Ir=2.0μA | 11 |
| Average Forward Current | If(AV) | A | 50Hz Half-sine Wave , Resistance load @Tbreak=50℃ | 1.0 |
| Backward Recovery Time | Trr | nS | -- | |
| Surge Forward Current | Ifsm | A | 0.01S @ Half-Sine wave 50Hz | 100 |
| Operating Ambient Temperature | Ta | ℃ | -55～+175 | |
| Storage Temperature | Tstg | ℃ | -55～+150 | |
| Forward Peak Voltage | Vfm | V | ≥13.5 | |
| Backward Peak Current | Irrm1 | μA | @ Ta=25℃ VRM=VRRM | 2.0 |
| Irrm2 | μA | @ Ta=100℃ VRM=VRRM | 20.0 | |
| Absolute Maximum Ratings & Electrical Characteristics | ||||
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Bridge rectifier circuits. Two diodes conduct on each half cycle in a bridge stack, so every part blocks the full secondary voltage while carrying the load current; an 11KV rating at 1.0A suits stacks fed from a high-voltage transformer secondary. Diode PCB assemblies. Where several high voltage diodes sit in a row on one board, spacing and airflow matter as much as the rating, because heat has to leave each package. High voltage rectifier projects in outdoor energy systems and indoor industrial controls, where the diode turns mains-frequency AC into the DC rail that feeds the rest of the circuit. Repair and replacement, where service teams match the original blocking voltage instead of fitting a lower-rated substitute.
Selection support starts before you order. Our technical team reviews your working voltage, forward current, surge and thermal conditions against the published datasheets, then recommends the closest high-voltage diode and confirms the matching part number. We also guide you through installation and insulation considerations, and help troubleshoot issues during qualification or after delivery. Suly Electronics manufactures these diodes directly, supplies them in bulk, and keeps answering technical questions for the parts you already use.
Both are 11KV on the datasheet. Vrrm is the repetitive peak reverse voltage the diode can block cycle after cycle in normal operation, while Vrwm is the peak working reverse voltage it is specified to withstand in service. Because the two figures match, this part can hold an 11KV blocking level continuously rather than only for occasional peaks.
No. This part is built for low-frequency rectification at 50-60Hz, where it only has to switch twice per mains cycle. Most high voltage diodes used in switching supplies and inverters are fast recovery or silicon carbide types that turn off much faster. If your circuit switches in the kilohertz range, tell us the frequency and we will point you to the right series.
Form the leads to your hole pitch and keep every bend clear of the molded body, where the lead-to-package seal is most delicate. Apply soldering heat to the lead rather than the package, and avoid using a lead as a lever when you seat the part. Leave room around the body so heat can escape.
Work from the highest reverse voltage your circuit can present to the diode — the peak of the secondary winding plus any switching or surge overshoot — then leave margin above it. If that figure sits near 11KV, step up to the next rating in the series. Check as well that your average forward current stays inside the rating for this part.
Keep spare parts in their original packaging in a dry, dust-free area, and leave the leads straight until they go to the line. Handle them by the body or the lead ends rather than pulling on a lead, and follow the storage window printed on the datasheet when you hold long-term stock.
Usually yes, provided the failed part is an 11KV-class low-frequency rectifier with a comparable forward current rating and axial leads. Compare lead diameter, lead spacing and body length against the part you are removing before committing a whole repair batch. As high voltage diode manufacturers we can match the replacement to the original rating and supply it for repair stock as well as production.
Here, suitable insulation adhesive materials can be selected based on the different usage situations of engineers.
