Thyristor Module Semikron SKKT 57/14E and Replacement
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| Semikron Product Type | SKKT 20/14E |
| Average forward current, ITAV/IFAV (Tcase) | 20A (85ºC) |
| Voltage, VRRM/VDRM | 1400V |
| Circuit | |
| Package, Dimensions L×B×H | SEMIPACK 1 93x20x30 |
| Datasheet | |
| Replacement VIOX | AMKT 20-14E |
General specifications of Thyristor Module SKKT 57/14E and Replacements:
| Specification | Parameter | Value |
|---|---|---|
| Maximum allowable average forward current (Case temperature) | ITAV/IFAV (Tcase) | 50 A (85ºC) |
| Repetitive pulsed reverse voltage; Repetitive pulsed closed state voltage | VRRM/VDRM | 1400 V |
| Surge on-state current | ITSM/IFSM | 1250 A |
| Safety factor | I2t | 8.0 kA²·s |
| Threshold voltage | VT(TO) | 0.90 V |
| On-state slope resistance | rT | 3.5 mΩ |
| Turn-off time max | tq | 80 µs |
| Junction temperature | Tvj max | 125 ºC |
| Thermal resistance, junction to case | Rth(j-c) | 0.60 ºC/W |
| Design (switches) | Type | dual component |
| Type (circuit diagram) | thyristor-thyristor | |
| Weight | W | 95 g |
| Package, Dimensions, mm | L×B×H | SEMIPACK 1 93x20x30 |
| Replacement AS ENERGITM type | VMKT 57-14E | |
| Datasheet | Download |
Possible alternatives, replacements, analogue, equivalent products:
List of series of power thyristor modules with similar parameters and housing sizes.
| Series | ITAV/IFAV (Tcase) | VRRM/VDRM | Topology | Dimensions, mm | Package | Datasheet |
|---|---|---|---|---|---|---|
| SKKT 57/14E | 50 A (85ºC) | 1400 V | thyristor-thyristor | 93x20x30 | 1 | |
| AMKT 57-14E | 50 A (85ºC) | 1400 V | thyristor-thyristor | 93x20x30 | 1 | |
| MTT-63-14 | 63 A (86ºC) | 1400 V | thyristor-thyristor | 92x20x30 | 1 |
