| PartNumber | Q4012LH5 | Q4012LH2TP | Q4012LH2 |
| Description | Triacs 400V 12A | Triacs 400V 12A 10-10-10mA | Triacs Altnstr 400V 12A 10-10-10 mA |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse Inc. |
| Product Category | Triacs | Triacs | Thyristors - TRIACs |
| RoHS | Y | Y | - |
| Series | Qxx12xHx | Qxx12xHx | Qxx12xHx |
| On State RMS Current It RMS | 12 A | - | - |
| Non Repetitive On State Current | 110 A, 120 A | - | 110 A 120 A |
| Rated Repetitive Off State Voltage VDRM | 400 V | - | 400 V |
| Off State Leakage Current @ VDRM IDRM | 10 uA | 10 uA | - |
| On State Voltage | 1.6 V | 1.6 V | 1.6 V |
| Holding Current Ih Max | 50 mA | - | 15 mA |
| Gate Trigger Voltage Vgt | 1.3 V | - | - |
| Gate Trigger Current Igt | 50 mA | - | - |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 125 C | - | + 125 C |
| Mounting Style | Through Hole | - | Through Hole |
| Package / Case | TO-220-2 | TO-220-2 | - |
| Packaging | Tube | Tube | Bulk |
| Current Rating | 12 A | - | - |
| Brand | Littelfuse | Littelfuse | - |
| Product Type | Triacs | Triacs | - |
| Factory Pack Quantity | 500 | 500 | - |
| Subcategory | Thyristors | Thyristors | - |
| Part # Aliases | Q4012LH5TP | - | - |
| Unit Weight | 0.211644 oz | - | 0.211644 oz |
| Tradename | - | Teccor | - |
| Package Case | - | - | TO-220-3 Isolated Tab |
| Mounting Type | - | - | Through Hole |
| Supplier Device Package | - | - | TO-220 Isolated Tab |
| Configuration | - | - | Single |
| Current Hold Ih Max | - | - | 15mA |
| Voltage Off State | - | - | 400V |
| Voltage Gate Trigger Vgt Max | - | - | 1.3V |
| Current Gate Trigger Igt Max | - | - | 10mA |
| Current On State It RMS Max | - | - | 12A |
| Current Non Rep# Surge 50 60Hz Itsm | - | - | 110A, 120A |
| Triac Type | - | - | Alternistor - Snubberless |
| Gate Trigger Voltage Vgt | - | - | 1.3 V |
| Gate Trigger Current Igt | - | - | 10 mA |
| On State RMS Current It RMS | - | - | 12 A |
| Off State Leakage Current VDRM IDRM | - | - | 10 uA |