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| Part Number | SK255KDTP | SK655KDTP |
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Obsolete | Obsolete |
| Voltage - Off State | 1.2 kV | 1.6 kV |
| Voltage - Gate Trigger (Vgt) (Max) | 1.5 V | 1.5 V |
| Current - Gate Trigger (Igt) (Max) | 50 mA | 70 mA |
| Voltage - On State (Vtm) (Max) | 1.6 V | 1.8 V |
| Current - On State (It (AV)) (Max) | 35 A | 35 A |
| Current - On State (It (RMS)) (Max) | 55 A | 55 A |
| Current - Hold (Ih) (Max) | 120 mA | 200 mA |
| Current - Off State (Max) | 10 µA | 10 µA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | - | 550A, 660A |
| SCR Type | Standard Recovery | Standard Recovery |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-218-3 | TO-218-3 |
| Supplier Device Package | TO-218AC | TO-218AC |
