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| PartNumber | ACST4-8SB | ACST4-8SFP | ACST4-8SB-TR |
| Description | Triacs AC power switch 4 Amp Load <10 mA | Triacs AC power switch 4 Amp Load | TRIAC SENS GATE 800V 4A DPAK |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | Triacs | Triacs | - |
| RoHS | Y | - | - |
| Series | ACST4 | ASD | - |
| Packaging | Tube | Tube | - |
| Brand | STMicroelectronics | - | - |
| Product Type | Triacs | - | - |
| Factory Pack Quantity | 75 | - | - |
| Subcategory | Thyristors | - | - |
| Package Case | - | TO-220-3 Full Pack | - |
| Mounting Type | - | Through Hole | - |
| Supplier Device Package | - | TO-220FP | - |
| Configuration | - | Single | - |
| Current Hold Ih Max | - | 20mA | - |
| Voltage Off State | - | 800V | - |
| Voltage Gate Trigger Vgt Max | - | 1V | - |
| Current Gate Trigger Igt Max | - | 10mA | - |
| Current On State It RMS Max | - | 4A | - |
| Current Non Rep# Surge 50 60Hz Itsm | - | 30A, 33A | - |
| Triac Type | - | Logic - Sensitive Gate | - |