component
ACST310-8B
Public Made by Adomby adom
STMicroelectronics Thyristors (SCR)/Modules, DPAK. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+39@@ -0,0 +1,39 @@+# ACST310-8B++**STMicroelectronics** · Thyristors (SCR)/Modules · DPAK++ACST310-8B from STMicroelectronics, in a DPAK. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | COM | passive | Common main terminal (triac anode/reference) of the AC switch; OUT is specified for both polarities referenced to this pin, with IT(RMS) 3 A at Tc = 112 °C. |+| 2 | OUT | passive | Output main terminal of the AC switch, also the metal tab, blocking VDRM/VRRM of 800 V with a minimum clamping voltage VCL of 850 V. |+| 3 | G | input | Gate trigger input driven directly by a microcontroller through a resistor, with IGT max. 10 mA and VGT max. 1.1 V in quadrants I, II and III. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | DPAK |+| Category | Transistors/Thyristors |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `ACST310-8B`+- Footprint: `Package_TO_SOT_SMD:TO-252-2`+- 3D model: DPAK (KiCad packages3D, STEP)+- 3D model files: `acst310-8b-etched.step` / `acst310-8b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `acst310-8b.step` / `acst310-8b.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/acst310-8b.pdf) (14 pp, sha256 `256e3ca183aaac39`, retrieved 2026-10-01, tier: manufacturer)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/acst310-8b-datasheet.pdf)
page.jsonadded+129@@ -0,0 +1,129 @@+{+ "slug": "acst310-8b",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Thyristors (SCR)/Modules, DPAK. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "transistors-thyristors",+ "acst310-8b",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "acst310-8b.kicad_sym",+ "acst310-8b.kicad_mod",+ "acst310-8b.glb",+ "acst310-8b.step",+ "acst310-8b.lbr",+ "docs/hero.png",+ "docs/acst310-8b-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "ACST310-8B",+ "manufacturer": "STMicroelectronics",+ "package": "DPAK",+ "pin_count": 3,+ "category": "Transistors/Thyristors",+ "subcategory": "Thyristors (SCR)/Modules",+ "datasheet": "https://www.st.com/resource/en/datasheet/acst310-8b.pdf",+ "parts": {+ "symbol": "acst310-8b.kicad_sym",+ "footprint": "acst310-8b.kicad_mod",+ "model_3d": "acst310-8b-etched.glb",+ "model_3d_plain": "acst310-8b.glb",+ "model_3d_step": "acst310-8b-etched.step",+ "model_3d_step_plain": "acst310-8b.step",+ "lbr": "acst310-8b.lbr"+ },+ "distributor_links": {+ "lcsc": "C5269075",+ "digikey": "2156-ACST310-8B-ND",+ "mouser": "511-ACST310-8B"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T00:22:29Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "2156-ACST310-8B-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "511-ACST310-8B",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "COM",+ "type": "passive",+ "description": "Common main terminal (triac anode/reference) of the AC switch; OUT is specified for both polarities referenced to this pin, with IT(RMS) 3 A at Tc = 112 °C."+ },+ {+ "number": "2",+ "name": "OUT",+ "type": "passive",+ "description": "Output main terminal of the AC switch, also the metal tab, blocking VDRM/VRRM of 800 V with a minimum clamping voltage VCL of 850 V."+ },+ {+ "number": "3",+ "name": "G",+ "type": "input",+ "description": "Gate trigger input driven directly by a microcontroller through a resistor, with IGT max. 10 mA and VGT max. 1.1 V in quadrants I, II and III."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The datasheet does not explicitly specify the physical pin numbering (1, 2, 3) for the DPAK package.",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 14,+ "cost_usd": 0.1678,+ "at": "2026-10-01T00:22:14"+ },+ "datasheet": {+ "url": "https://www.st.com/resource/en/datasheet/acst310-8b.pdf",+ "pages": 14,+ "sha256": "256e3ca183aaac39",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 3,+ "described": 3,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}