STMicroelectronics · Discrete semiconductors
ACST4-8SB-TR
TRIAC SENS GATE 800V 4A DPAK
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ACST4-8SB-TR specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | ACST4-8SB-TR |
| Family | Discrete semiconductors |
| Package | TO-252-3, DPak (2 Leads + Tab), SC-63 |
| Product Status | Obsolete |
| Triac Type | Logic - Sensitive Gate |
| Voltage - Off State | 800 V |
| Current - On State (It (RMS)) (Max) | 4 A |
| Voltage - Gate Trigger (Vgt) (Max) | 1 V |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 30A, 33A |
| Current - Gate Trigger (Igt) (Max) | 10 mA |
| Current - Hold (Ih) (Max) | 20 mA |
| Configuration | Single |
| Operating Temperature | Not provided in source |
| Mounting Type | Surface Mount |
| Package / Case | TO-252-3, DPak (2 Leads + Tab), SC-63 |
| Supplier Device Package | DPAK |
Documents and evidence
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Before sourcing ACST4-8SB-TR
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
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