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| PartNumber | UGB12HT | UGB12HTHE3/45 | UGB12HT-E3/81 |
| Description | Rectifiers 12 Amp 500 Volt 30ns 135 Amp IFSM | Rectifiers 500 Volt 12 Amp 30ns 135 Amp IFSM | |
| Manufacturer | Vishay Semiconductor Diodes Division | Vishay Semiconductor Diodes Division | Vishay Semiconductor Diodes Division |
| Product Category | Diodes, Rectifiers - Single | Diodes, Rectifiers - Single | Diodes, Rectifiers - Single |
| Series | UGx12xT | UGx12xT | UGx12xT |
| Product | Ultra Fast Recovery Rectifiers | - | Ultra Fast Recovery Rectifiers |
| Packaging | Tape & Reel (TR) | Tube Alternate Packaging | Tape & Reel (TR) |
| Unit Weight | 0.063493 oz | - | 0.063493 oz |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package Case | TO-263-3, D2Pak (2 Leads + Tab), TO-263AB | TO-263-3, D2Pak (2 Leads + Tab), TO-263AB | TO-263-3, D2Pak (2 Leads + Tab), TO-263AB |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | TO-263AB | TO-263AB | TO-263AB |
| Configuration | Single Dual Cathode | - | Single Dual Cathode |
| Speed | Fast Recovery = 200mA (Io) | Fast Recovery = 200mA (Io) | Fast Recovery = 200mA (Io) |
| Diode Type | Standard | Standard | Standard |
| Current Reverse Leakage Vr | 30μA @ 500V | 30μA @ 500V | 30μA @ 500V |
| Voltage Forward Vf Max If | 1.75V @ 12A | 1.75V @ 12A | 1.75V @ 12A |
| Voltage DC Reverse Vr Max | 500V | 500V | 500V |
| Current Average Rectified Io | 12A | 12A | 12A |
| Reverse Recovery Time trr | 50ns | 50ns | 50ns |
| Capacitance Vr F | - | - | - |
| Operating Temperature Junction | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C |
| Maximum Operating Temperature | + 150 C | - | + 150 C |
| Minimum Operating Temperature | - 55 C | - | - 55 C |
| Vf Forward Voltage | 1.75 V | - | 1.75 V |
| Vr Reverse Voltage | 500 V | - | 500 V |
| Ir Reverse Current | 30 uA | - | 30 uA |
| If Forward Current | 12 A | - | 12 A |
| Max Surge Current | 135 A | - | 135 A |
| Recovery Time | 50 ns | - | 50 ns |