component
BC858C
Public Made by Adomby adom
Guangdong Hottech Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
bc858c: specified limits as data (metadata.characteristics, 17 rows from the datasheet)
2 files changed
+236−1
README.md+24@@ -21,6 +21,30 @@ BC858C from Guangdong Hottech, in a SOT-23. Pinout and pin descriptions extracte | Category | Transistors/Thyristors | | Pins | 3 | +## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Collector-base breakdown voltage (BC858) | VCBO | -30 | | | V | IC= -10μA, IE=0 | 2 |+| Collector-emitter breakdown voltage (BC858) | VCEO | -30 | | | V | IC= -10mA, IB=0 | 2 |+| Emitter-base breakdown voltage | VEBO | -5 | | | V | IE= -1μA, IC=0 | 2 |+| Collector cut-off current (BC858) | ICBO | | | -0.1 | μA | VCB= -25 V, IE=0 | 2 |+| Emitter cut-off current | IEBO | | | -0.1 | μA | VEB= -5 V, IC=0 | 2 |+| DC current gain (BC857C, BC858C) | hFE | 420 | | 800 | | VCE= -5V, IC= -2mA | 2 |+| Collector-emitter saturation voltage | VCE(sat) | | | -0.5 | V | IC=-100mA, IB= -5 mA | 2 |+| Base-emitter saturation voltage | VBE(sat) | | | -1.1 | V | IC= -100mA, IB= -5mA | 2 |+| Transition frequency | fT | 100 | | | MHz | VCE= -5 V, IC= -10mA, f=100MHz | 2 |+| Collector capacitance | Cob | | | 4.5 | pF | VCB=-10V, f=1MHz | 2 |+| Collector-base voltage (BC858) | VCBO | | | -30 | V | | 1 |+| Collector-emitter voltage (BC858) | VCEO | | | -30 | V | | 1 |+| Emitter-base voltage | VEBO | | | -5 | V | | 1 |+| Collector current -continuous | IC | | | -0.1 | A | | 1 |+| Collector power dissipation | PC | | | 0.2 | W | | 1 |+| Junction temperature | TJ | | | 150 | | | 1 |+| Storage temperature | Tstg | -55 | | 150 | | | 1 |+ ## CAD (KiCad official) - Symbol: `BC858C`
page.json+212−1@@ -148,6 +148,217 @@ "Package": "SOT-23", "Category": "Transistors/Thyristors", "Pins": "3"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "40d30511a53e7bda",+ "rows": [+ {+ "name": "Collector-base breakdown voltage (BC858)",+ "symbol": "VCBO",+ "kind": "electrical",+ "unit": "V",+ "min": -30,+ "typ": null,+ "max": null,+ "conditions": "IC= -10μA, IE=0",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Collector-emitter breakdown voltage (BC858)",+ "symbol": "VCEO",+ "kind": "electrical",+ "unit": "V",+ "min": -30,+ "typ": null,+ "max": null,+ "conditions": "IC= -10mA, IB=0",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Emitter-base breakdown voltage",+ "symbol": "VEBO",+ "kind": "electrical",+ "unit": "V",+ "min": -5,+ "typ": null,+ "max": null,+ "conditions": "IE= -1μA, IC=0",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Collector cut-off current (BC858)",+ "symbol": "ICBO",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": null,+ "max": -0.1,+ "conditions": "VCB= -25 V, IE=0",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Emitter cut-off current",+ "symbol": "IEBO",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": null,+ "max": -0.1,+ "conditions": "VEB= -5 V, IC=0",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "DC current gain (BC857C, BC858C)",+ "symbol": "hFE",+ "kind": "electrical",+ "unit": "",+ "min": 420,+ "typ": null,+ "max": 800,+ "conditions": "VCE= -5V, IC= -2mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Collector-emitter saturation voltage",+ "symbol": "VCE(sat)",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": -0.5,+ "conditions": "IC=-100mA, IB= -5 mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Base-emitter saturation voltage",+ "symbol": "VBE(sat)",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": -1.1,+ "conditions": "IC= -100mA, IB= -5mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Transition frequency",+ "symbol": "fT",+ "kind": "electrical",+ "unit": "MHz",+ "min": 100,+ "typ": null,+ "max": null,+ "conditions": "VCE= -5 V, IC= -10mA, f=100MHz",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Collector capacitance",+ "symbol": "Cob",+ "kind": "electrical",+ "unit": "pF",+ "min": null,+ "typ": null,+ "max": 4.5,+ "conditions": "VCB=-10V, f=1MHz",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Collector-base voltage (BC858)",+ "symbol": "VCBO",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": -30,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Collector-emitter voltage (BC858)",+ "symbol": "VCEO",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": -30,+ "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": "A",+ "min": null,+ "typ": null,+ "max": -0.1,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Collector power dissipation",+ "symbol": "PC",+ "kind": "absolute_maximum",+ "unit": "W",+ "min": null,+ "typ": null,+ "max": 0.2,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Junction temperature",+ "symbol": "TJ",+ "kind": "absolute_maximum",+ "unit": "",+ "min": null,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "",+ "min": -55,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -189,4 +400,4 @@ "visibility": { "public": true }-}+}