component
BF420
Public Made by Adomby adom
Changjing Bipolar (BJT), TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"title": "BF420",
"brief": "Changjing Bipolar (BJT), TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"status": "quota"
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},
{
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},
{
"number": "3",
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"guard_notes": [
"extractor flagged: The ordering table lists BF420 in TO-92 Bulk (1000pcs/Bag) and TO-92 Tape (2000pcs/Box, part BF420-T; The pinout is given as text on page 1 (1. EMITTER, 2. COLLECTOR, 3. BASE) and the package outline on; The datasheet covers both BF420 and BF422 under one pinout. Ratings quoted in the pin descriptions a"
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"at": "2026-10-17T20:22:04"
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"metadata": {
"specs": {
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"Package": "TO-92",
"Category": "Transistors/Thyristors",
"Pins": "3"
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{
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{
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{
"name": "Operation Junction and Storage Temperature Range",
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"conditions": "",
"source_page": 1,
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},
{
"name": "Thermal resistance from junction to ambient",
"symbol": "Rthja",
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"unit": "℃/W",
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{
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{
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{
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{
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{
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{
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"typ": null,
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"source_page": 2,
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},
{
"name": "Transition frequency",
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{
"name": "Feedback capacitance",
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"email": "[email protected]"
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