component
BC846B-QR
Public Made by Adomby adom
Nexperia 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
+491−13
bc846b-qr-hero.glbadded⋯ 1 unchanged line ⋯
bc846b-qr-hero.overlay.jsonadded+150@@ -0,0 +1,150 @@+{+ "spec": "adom-hero 1.4",+ "mpn": "BC846B-QR",+ "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": "bc846b-qr-etched.glb",+ "glb_sha256": "3db4bbcc3deec39f203671dd5a33242672de7aa7cdbc6b68fce3bc6da6ec320e",+ "footprint": "bc846b-qr.kicad_mod",+ "footprint_sha256": "0d88c86c1b6d8c1aae4aa8c09386264c089d4451a128b6ccd63ed253f4300b15",+ "pins": "page.json component.pins",+ "pins_sha256": "88adb3a0114ad14a942771aca00eb966ca13853032d242cc20c4a52aff3d07c8"+ },+ "generator": "adom-wiki 1.8.24 (component_hero)",+ "labels": [+ {+ "pad": "1",+ "text": "B",+ "x": -1.825,+ "y": -0.95,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "2",+ "text": "E",+ "x": -1.825,+ "y": 0.95,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "3",+ "text": "C",+ "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+328−3@@ -1,6 +1,6 @@ { "slug": "bc846b-qr",- "version": "0.1.0",+ "version": "0.1.1", "type": "component", "description": "Nexperia Bipolar (BJT), SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [@@ -26,7 +26,10 @@ "docs/hero.png", "docs/bc846b-qr-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "bc846b-qr-etched.step",+ "bc846b-qr-hero.glb",+ "bc846b-qr-hero.overlay.json" ], "component": { "mpn": "BC846B-QR",@@ -141,5 +144,327 @@ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)" } ]- }+ },+ "title": "BC846B-QR",+ "brief": "Nexperia Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "metadata": {+ "specs": {+ "Manufacturer": "Nexperia",+ "Package": "SOT-23",+ "Category": "Transistors/Thyristors",+ "Pins": "3"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "030c93e37aa1c568",+ "rows": [+ {+ "name": "collector-base voltage",+ "symbol": "VCBO",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 80,+ "conditions": "open emitter",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "collector-emitter voltage",+ "symbol": "VCEO",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 65,+ "conditions": "open base",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "emitter-base voltage",+ "symbol": "VEBO",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 6,+ "conditions": "open collector",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "collector current",+ "symbol": "IC",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 100,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "peak collector current",+ "symbol": "ICM",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 200,+ "conditions": "single pulse; tp ≤ 1 ms",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "peak base current",+ "symbol": "IBM",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 200,+ "conditions": "single pulse; tp ≤ 1 ms",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "total power dissipation",+ "symbol": "Ptot",+ "kind": "absolute_maximum",+ "unit": "mW",+ "min": null,+ "typ": null,+ "max": 250,+ "conditions": "Tamb ≤ 25 °C; device mounted on FR4 PCB, single-sided copper, tin-plated and standard footprint",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "junction temperature",+ "symbol": "Tj",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "ambient temperature",+ "symbol": "Tamb",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "storage temperature",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "thermal resistance from junction to ambient",+ "symbol": "Rth(j-a)",+ "kind": "thermal",+ "unit": "K/W",+ "min": null,+ "typ": null,+ "max": 500,+ "conditions": "in free air",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "collector-base breakdown voltage",+ "symbol": "V(BR)CBO",+ "kind": "electrical",+ "unit": "V",+ "min": 80,+ "typ": null,+ "max": null,+ "conditions": "IC = 100 µA; IE = 0 A; Tamb = 25 °C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "collector-emitter breakdown voltage",+ "symbol": "V(BR)CEO",+ "kind": "electrical",+ "unit": "V",+ "min": 65,+ "typ": null,+ "max": null,+ "conditions": "IC = 10 mA; IE = 0 A; Tamb = 25 °C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "emitter-base breakdown voltage",+ "symbol": "V(BR)EBO",+ "kind": "electrical",+ "unit": "V",+ "min": 6,+ "typ": null,+ "max": null,+ "conditions": "IE = 100 µA; IC = 0 A; Tamb = 25 °C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "collector-base cut-off current",+ "symbol": "ICBO",+ "kind": "electrical",+ "unit": "nA",+ "min": null,+ "typ": null,+ "max": 15,+ "conditions": "VCB = 30 V; IE = 0 A; Tamb = 25 °C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "collector-base cut-off current",+ "symbol": "ICBO",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": null,+ "max": 5,+ "conditions": "VCB = 30 V; IE = 0 A; Tj = 150 °C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "emitter-base cut-off current",+ "symbol": "IEBO",+ "kind": "electrical",+ "unit": "nA",+ "min": null,+ "typ": null,+ "max": 100,+ "conditions": "VEB = 5 V; IC = 0 A; Tamb = 25 °C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "DC current gain (BC846B-Q)",+ "symbol": "hFE",+ "kind": "electrical",+ "unit": "",+ "min": 200,+ "typ": 290,+ "max": 450,+ "conditions": "VCE = 5 V; IC = 2 mA; Tamb = 25 °C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "collector-emitter saturation voltage",+ "symbol": "VCEsat",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 90,+ "max": 200,+ "conditions": "IC =10 mA; IB = 0.5 mA; Tamb = 25 °C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "collector-emitter saturation voltage",+ "symbol": "VCEsat",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 200,+ "max": 400,+ "conditions": "IC =100 mA; IB = 5 mA; Tamb = 25 °C; pulsed; tp ≤ 300 μs; δ ≤ 0.02",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "base-emitter voltage",+ "symbol": "VBE",+ "kind": "electrical",+ "unit": "mV",+ "min": 580,+ "typ": 660,+ "max": 700,+ "conditions": "IC = 2 mA; VCE = 5 V; Tamb = 25 °C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "base-emitter voltage",+ "symbol": "VBE",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": null,+ "max": 770,+ "conditions": "IC = 10 mA; VCE = 5 V; Tamb = 25 °C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "transition frequency",+ "symbol": "fT",+ "kind": "electrical",+ "unit": "MHz",+ "min": 100,+ "typ": null,+ "max": null,+ "conditions": "VCE = 5 V; IC = 10 mA; f = 100 MHz; Tamb = 25 °C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "collector capacitance",+ "symbol": "Cc",+ "kind": "electrical",+ "unit": "pF",+ "min": null,+ "typ": 2,+ "max": 3,+ "conditions": "VCB = 10 V; IE = ie = 0 A; f = 1 MHz; Tamb = 25 °C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "noise figure",+ "symbol": "NF",+ "kind": "electrical",+ "unit": "dB",+ "min": null,+ "typ": 2,+ "max": 10,+ "conditions": "IC = 200 A; VCE = 5 V; RS = 2 kΩ; f = 1 kHz; B = 200 Hz; Tamb = 25 °C",+ "source_page": 4,+ "source": "datasheet"+ }+ ]+ }+ },+ "discovery_triggers": [+ "bc846b-qr"+ ],+ "discovery_pitch": "BC846B-QR (Nexperia) component page with datasheet-verified CAD.",+ "visibility": "public" }
page.json+13−10@@ -4,7 +4,7 @@ "slug": "bc846b-qr", "title": "BC846B-QR", "brief": "Nexperia 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": "0ee5971615a9fd1748033bfde42564ae8881937c42be0ef041dbab4321674e95", "checked": "2026-11-13",@@ -473,10 +473,13 @@ "docs/hero.png", "docs/bc846b-qr-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "bc846b-qr-etched.step",+ "bc846b-qr-hero.glb",+ "bc846b-qr-hero.overlay.json" ],- "visibility": {- "public": true- },- "updated_at": "2026-09-24T17:37:16.514Z"-}+ "visibility": "public",+ "updated_at": "2026-09-24T17:37:16.514Z",+ "description": "Nexperia Bipolar (BJT), SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "org": "adom"+}