component
BC848A
Public Made by Adomby adom
ALJ Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
bc848a: specified limits as data (metadata.characteristics, 18 rows from the datasheet)
2 files changed
+249−1
README.md+25@@ -21,6 +21,31 @@ BC848A from ALJ, in a SOT-23. Pinout and pin descriptions extracted from the man | 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 Voltage | VCBO | | | 30 | V | | 1 |+| Collector Emitter Voltage | VCEO | | | 30 | V | | 1 |+| Emitter Base Voltage | VEBO | | | 6 | V | | 1 |+| Collector Current | IC | | | 0.1 | A | | 1 |+| Collector Power Dissipation | PC | | | 200 | mW | | 1 |+| Junction Temperature | Tj | | | 150 | °C | | 1 |+| Storage Temperature | Tstg | -55 | | 150 | °C | | 1 |+| Thermal Resistance from Junction to Ambient | RθJA | | | 625 | °C/W | | 1 |+| Collector-base breakdown voltage | V(BR)CBO | 30 | | | V | IC=10µA, IE=0 | 1 |+| Collector-emitter breakdown voltage | V(BR)CEO | 30 | | | V | IC=10mA, IB=0 | 1 |+| Emitter-base breakdown voltage | V(BR)EBO | 6 | | | V | IE=10µA, IC=0 | 1 |+| Collector cut-off current | ICBO | | | 100 | nA | VCB=30V, IE=0 | 1 |+| Emitter cut-off current | IEBO | | | 100 | nA | VEB=5V, IC=0 | 1 |+| DC current gain (BC848A) | hFE | 110 | | 220 | | VCE = 5V, IC = 2mA | 1 |+| Collector-emitter saturation voltage | VCE(sat) | | | 0.5 | V | IC = 100mA, IB = 5mA | 1 |+| Base-emitter saturation voltage | VBE(sat) | | | 1.1 | V | IC = 100mA, IB = 5mA | 1 |+| Transition frequency | fT | | 100 | | MHz | VCE=5V, IC=10mA, f=100MHz | 1 |+| Collector output capacitance | Cob | | | 4.5 | pF | VCB = 10V, f = 1MHz | 1 |+ ## CAD (KiCad official) - Symbol: `BC848A`
page.json+224−1@@ -150,6 +150,229 @@ "Package": "SOT-23", "Category": "Transistors/Thyristors", "Pins": "3"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "5e5e0639a65deb1b",+ "rows": [+ {+ "name": "Collector Base Voltage",+ "symbol": "VCBO",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 30,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Collector Emitter Voltage",+ "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": 6,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Collector Current",+ "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": "mW",+ "min": null,+ "typ": null,+ "max": 200,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Junction Temperature",+ "symbol": "Tj",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Storage Temperature",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -55,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Thermal Resistance from Junction to Ambient",+ "symbol": "RθJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": null,+ "max": 625,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Collector-base breakdown voltage",+ "symbol": "V(BR)CBO",+ "kind": "electrical",+ "unit": "V",+ "min": 30,+ "typ": null,+ "max": null,+ "conditions": "IC=10µA, IE=0",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Collector-emitter breakdown voltage",+ "symbol": "V(BR)CEO",+ "kind": "electrical",+ "unit": "V",+ "min": 30,+ "typ": null,+ "max": null,+ "conditions": "IC=10mA, IB=0",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Emitter-base breakdown voltage",+ "symbol": "V(BR)EBO",+ "kind": "electrical",+ "unit": "V",+ "min": 6,+ "typ": null,+ "max": null,+ "conditions": "IE=10µA, IC=0",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Collector cut-off current",+ "symbol": "ICBO",+ "kind": "electrical",+ "unit": "nA",+ "min": null,+ "typ": null,+ "max": 100,+ "conditions": "VCB=30V, IE=0",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Emitter cut-off current",+ "symbol": "IEBO",+ "kind": "electrical",+ "unit": "nA",+ "min": null,+ "typ": null,+ "max": 100,+ "conditions": "VEB=5V, IC=0",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "DC current gain (BC848A)",+ "symbol": "hFE",+ "kind": "electrical",+ "unit": "",+ "min": 110,+ "typ": null,+ "max": 220,+ "conditions": "VCE = 5V, IC = 2mA",+ "source_page": 1,+ "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 = 5mA",+ "source_page": 1,+ "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": 1,+ "source": "datasheet"+ },+ {+ "name": "Transition frequency",+ "symbol": "fT",+ "kind": "electrical",+ "unit": "MHz",+ "min": null,+ "typ": 100,+ "max": null,+ "conditions": "VCE=5V, IC=10mA, f=100MHz",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Collector output capacitance",+ "symbol": "Cob",+ "kind": "electrical",+ "unit": "pF",+ "min": null,+ "typ": null,+ "max": 4.5,+ "conditions": "VCB = 10V, f = 1MHz",+ "source_page": 1,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -191,4 +414,4 @@ "visibility": { "public": true }-}+}