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| PartNumber | Q8040K4TP | Q8040K3TP | Q8040K |
| Description | Triacs Standard Triac 800V 40A TO218 iso | Triacs TRIAC 800V 40A 35-35-35-70mA TO-218 | |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Triacs | Triacs | TVS - Thyristors |
| Off State Leakage Current @ VDRM IDRM | 20 uA | - | - |
| On State Voltage | 1.8 V | - | 1.8 V |
| Package / Case | SMTO-218 | - | - |
| Packaging | Tube | Tube | Tube |
| Brand | Littelfuse | Littelfuse | - |
| Product Type | Triacs | Triacs | - |
| Factory Pack Quantity | 250 | 250 | - |
| Subcategory | Thyristors | Thyristors | - |
| Series | - | - | Qxx40xx |
| Mounting Style | - | - | Through Hole |
| Package Case | - | - | TO-218AC-3 |
| Maximum Operating Temperature | - | - | + 125 C |
| Minimum Operating Temperature | - | - | - 40 C |
| Rated Repetitive Off State Voltage VDRM | - | - | 800 V |
| Holding Current Ih Max | - | - | 75 mA |
| Gate Trigger Voltage Vgt | - | - | 1.3 V |
| Gate Trigger Current Igt | - | - | 50 mA |
| On State RMS Current It RMS | - | - | 40 A |
| Non Repetitive On State Current | - | - | 335 A 400 A |
| Off State Leakage Current VDRM IDRM | - | - | 20 uA |