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| PartNumber | QK040K4TP | QK040J4TP | QK040K7 |
| Description | Triacs TRIAC 1000V 40A TO218AC | Triacs TRIAC 1000V 40A TO218X | Triacs 1000V 40A |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Triacs | Triacs | Triacs |
| Packaging | Tube | Tube | Bulk |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | Triacs | Triacs | Triacs |
| Factory Pack Quantity | 250 | 250 | 250 |
| Subcategory | Thyristors | Thyristors | Thyristors |
| RoHS | - | - | Y |
| Series | - | - | Qxx40xx |
| On State RMS Current It RMS | - | - | 40 A |
| Non Repetitive On State Current | - | - | 335 A, 400 A |
| Rated Repetitive Off State Voltage VDRM | - | - | 1 kV |
| Off State Leakage Current @ VDRM IDRM | - | - | 200 uA |
| On State Voltage | - | - | 1.8 V |
| Holding Current Ih Max | - | - | 120 mA |
| Gate Trigger Voltage Vgt | - | - | 2.5 V |
| Gate Trigger Current Igt | - | - | 100 mA |
| Minimum Operating Temperature | - | - | - 40 C |
| Maximum Operating Temperature | - | - | + 125 C |
| Mounting Style | - | - | Through Hole |
| Package / Case | - | - | SMTO-218 |
| Current Rating | - | - | 40 A |
| Unit Weight | - | - | 0.176370 oz |