Littelfuse Inc. SK020L is a standard recovery SCR (Silicon Controlled Rectifier) with a 1 kV blocking voltage and a 20 A RMS on-state current rating. This through-hole component features a TO-220 isolated tab package. Key specifications include a maximum on-state voltage (Vtm) of 1.6 V and a gate trigger current (Igt) of 30 mA. The device exhibits a maximum off-state current of 20 µA and a hold current (Ih) of 40 mA. Non-repetitive surge current handling is rated at 255 A for 50 Hz and 300 A for 60 Hz. Operating temperature ranges from -40°C to 125°C. This component is utilized in power control applications across industrial automation, motor control, and power supply sectors.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: DiscontinuedPackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | TO-220-3 Isolated Tab |
| Mounting Type | Through Hole |
| SCR Type | Standard Recovery |
| Operating Temperature | -40°C ~ 125°C |
| Current - Hold (Ih) (Max) | 40 mA |
| Current - Gate Trigger (Igt) (Max) | 30 mA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 255A, 300A |
| Current - On State (It (AV)) (Max) | 12.8 A |
| Voltage - Gate Trigger (Vgt) (Max) | 1.5 V |
| Voltage - On State (Vtm) (Max) | 1.6 V |
| Current - Off State (Max) | 20 µA |
| Supplier Device Package | TO-220 Isolated Tab |
| Current - On State (It (RMS)) (Max) | 20 A |
| Voltage - Off State | 1 kV |
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