component
BC817-40LT1G
Public Made by Adomby adom
onsemi Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
Publish 0.1.1
4 files changed
+419−13
bc817-40lt1g-hero.glbadded⋯ 1 unchanged line ⋯
bc817-40lt1g-hero.overlay.jsonadded+150@@ -0,0 +1,150 @@+{+ "spec": "adom-hero 1.4",+ "mpn": "BC817-40LT1G",+ "kind": "component + footprint reference art",+ "board_use": false,+ "plane_z_mm": -0.02,+ "units": "metre",+ "upAxis": "Z",+ "layers": {+ "pad_outlines": {+ "material": "Footprint pads - teal dashed outlines - 50 percent opacity",+ "rgba": [+ 0.0,+ 0.902,+ 0.863,+ 0.5+ ],+ "pads": 3,+ "span_mm": 3.35,+ "dash_mm": 0.12,+ "gap_mm": 0.072,+ "pad_stroke_mm": 0.03+ },+ "silkscreen": {+ "material": "Silkscreen reference lines - 30 percent opacity",+ "rgba": [+ 0.92,+ 0.96,+ 1.0,+ 0.3+ ],+ "footprint_items": 8,+ "pin1": {+ "source": "footprint silkscreen",+ "pad": "1"+ }+ },+ "signal_names": {+ "material": "Signal names - 50 percent opacity",+ "rgba": [+ 0.92,+ 0.96,+ 1.0,+ 0.5+ ],+ "font": "DejaVu Sans Mono",+ "labels": 3,+ "sides": "top + mirrored underside (single-sided)",+ "fallback_to_pad_number": 0+ }+ },+ "align": {+ "ok": true,+ "centre_offset_mm": 0.0,+ "tolerance_mm": 0.268,+ "orientation_flipped": false,+ "contacts_bbox_mm": [+ -1.25,+ 1.25,+ -1.15,+ 1.15+ ],+ "pads_bbox_mm": [+ -1.675,+ 1.675,+ -1.25,+ 1.25+ ],+ "seating_z_mm": 0.0+ },+ "sources": {+ "glb": "bc817-40lt1g-etched.glb",+ "glb_sha256": "195f2f8fb1440df9d48248b8bc3da4513290796dc011419d6fc074892854c03f",+ "footprint": "bc817-40lt1g.kicad_mod",+ "footprint_sha256": "0d88c86c1b6d8c1aae4aa8c09386264c089d4451a128b6ccd63ed253f4300b15",+ "pins": "page.json component.pins",+ "pins_sha256": "37c6b911141b4126b0e33de3faf7565fce6f7f394a38cb1ba7f7f82c387ff2f3"+ },+ "generator": "adom-wiki 1.8.24 (component_hero)",+ "labels": [+ {+ "pad": "1",+ "text": "BASE",+ "x": -1.825,+ "y": -0.95,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "2",+ "text": "EMITTER",+ "x": -1.825,+ "y": 0.95,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "3",+ "text": "COLLECTOR",+ "x": 1.825,+ "y": 0.0,+ "align": "left",+ "vertical": false,+ "h": 0.6+ }+ ],+ "pads": [+ {+ "number": "1",+ "shape": "roundrect",+ "center_mm": [+ -0.9375,+ -0.95+ ],+ "size_mm": [+ 1.475,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "2",+ "shape": "roundrect",+ "center_mm": [+ -0.9375,+ 0.95+ ],+ "size_mm": [+ 1.475,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "3",+ "shape": "roundrect",+ "center_mm": [+ 0.9375,+ 0.0+ ],+ "size_mm": [+ 1.475,+ 0.6+ ],+ "rot": 0.0+ }+ ]+}
package.json+256−3@@ -1,6 +1,6 @@ { "slug": "bc817-40lt1g",- "version": "0.1.0",+ "version": "0.1.1", "type": "component", "description": "onsemi Bipolar (BJT), SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [@@ -26,7 +26,10 @@ "docs/hero.png", "docs/bc817-40lt1g-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "bc817-40lt1g-etched.step",+ "bc817-40lt1g-hero.glb",+ "bc817-40lt1g-hero.overlay.json" ], "component": { "mpn": "BC817-40LT1G",@@ -141,5 +144,255 @@ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)" } ]- }+ },+ "title": "BC817-40LT1G",+ "brief": "onsemi Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "metadata": {+ "specs": {+ "Manufacturer": "onsemi",+ "Package": "SOT-23",+ "Category": "Transistors/Thyristors",+ "Pins": "3"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "8e29433528090adb",+ "rows": [+ {+ "name": "Collector-Emitter Breakdown Voltage",+ "symbol": "V(BR)CEO",+ "kind": "electrical",+ "unit": "V",+ "min": 45,+ "typ": null,+ "max": null,+ "conditions": "IC = 10 mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Collector-Emitter Breakdown Voltage",+ "symbol": "V(BR)CES",+ "kind": "electrical",+ "unit": "V",+ "min": 50,+ "typ": null,+ "max": null,+ "conditions": "VEB = 0, IC = 10 A",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Emitter-Base Breakdown Voltage",+ "symbol": "V(BR)EBO",+ "kind": "electrical",+ "unit": "V",+ "min": 5,+ "typ": null,+ "max": null,+ "conditions": "IE = 1.0 A",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Collector Cutoff Current",+ "symbol": "ICBO",+ "kind": "electrical",+ "unit": "nA",+ "min": null,+ "typ": null,+ "max": 100,+ "conditions": "VCB = 20 V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Collector Cutoff Current",+ "symbol": "ICBO",+ "kind": "electrical",+ "unit": "A",+ "min": null,+ "typ": null,+ "max": 5,+ "conditions": "VCB = 20 V, TA = 150°C",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "DC Current Gain (BC817-40)",+ "symbol": "hFE",+ "kind": "electrical",+ "unit": "",+ "min": 250,+ "typ": null,+ "max": 600,+ "conditions": "IC = 100 mA, VCE = 1.0 V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "DC Current Gain (BC817-40)",+ "symbol": "hFE",+ "kind": "electrical",+ "unit": "",+ "min": 40,+ "typ": null,+ "max": null,+ "conditions": "IC = 500 mA, VCE = 1.0 V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Collector-Emitter Saturation Voltage",+ "symbol": "VCE(sat)",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 0.7,+ "conditions": "IC = 500 mA, IB = 50 mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Base-Emitter On Voltage",+ "symbol": "VBE(on)",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 1.2,+ "conditions": "IC = 500 mA, VCE = 1.0 V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Current-Gain-Bandwidth Product",+ "symbol": "fT",+ "kind": "electrical",+ "unit": "MHz",+ "min": 100,+ "typ": null,+ "max": null,+ "conditions": "IC = 10 mA, VCE = 5.0 Vdc, f = 100 MHz",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Collector-Emitter Voltage",+ "symbol": "VCEO",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 45,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Collector-Base Voltage",+ "symbol": "VCBO",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 50,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Emitter-Base Voltage",+ "symbol": "VEBO",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 5,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Collector Current - Continuous",+ "symbol": "IC",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 500,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Junction and Storage Temperature",+ "symbol": "TJ, Tstg",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Total Device Dissipation",+ "symbol": "PD",+ "kind": "thermal",+ "unit": "mW",+ "min": null,+ "typ": null,+ "max": 225,+ "conditions": "FR-5 board, TA = 25°C",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Total Device Dissipation",+ "symbol": "PD",+ "kind": "thermal",+ "unit": "mW",+ "min": null,+ "typ": null,+ "max": 300,+ "conditions": "Alumina substrate, TA = 25°C",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Thermal Resistance, Junction-to-Ambient",+ "symbol": "RJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": null,+ "max": 556,+ "conditions": "FR-5 board",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Thermal Resistance, Junction-to-Ambient",+ "symbol": "RJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": null,+ "max": 417,+ "conditions": "Alumina substrate",+ "source_page": 1,+ "source": "datasheet"+ }+ ]+ }+ },+ "discovery_triggers": [+ "bc817-40lt1g"+ ],+ "discovery_pitch": "BC817-40LT1G (onsemi) component page with datasheet-verified CAD.",+ "visibility": "public" }
page.json+13−10@@ -4,7 +4,7 @@ "slug": "bc817-40lt1g", "title": "BC817-40LT1G", "brief": "onsemi Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.1.1", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -115,11 +115,11 @@ "seat": "z = 0", "extents_mm": [ 2.5,- 3.0,+ 3, 1.2 ],- "zmin_mm": 0.0,- "centre_offset_mm": 0.0,+ "zmin_mm": 0,+ "centre_offset_mm": 0, "footprint_binding": "identity", "sha256": "0991d14a1b41e901c81807d3bf673d705c4347a818df23c335383d363a21e2c5", "checked": "2026-11-13",@@ -401,10 +401,13 @@ "docs/hero.png", "docs/bc817-40lt1g-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "bc817-40lt1g-etched.step",+ "bc817-40lt1g-hero.glb",+ "bc817-40lt1g-hero.overlay.json" ],- "visibility": {- "public": true- },- "updated_at": "2026-09-24T17:36:28.445Z"-}+ "visibility": "public",+ "updated_at": "2026-09-24T17:36:28.445Z",+ "description": "onsemi Bipolar (BJT), SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "org": "adom"+}