component
BAT54W L4
Public Made by Adomby adom
CBI Fast Recovery / High Efficiency Diodes, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "bat54w-l4",
"title": "BAT54W L4",
"brief": "CBI Fast Recovery / High Efficiency Diodes, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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],
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"manufacturer": "CBI",
"package": "SOT-323",
"pin_count": 3,
"category": "Diodes",
"subcategory": "Fast Recovery / High Efficiency Diodes",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590215119842926592",
"parts": {
"symbol": "bat54w-l4.kicad_sym",
"footprint": "bat54w-l4.kicad_mod",
"model_3d": "bat54w-l4-hero.glb",
"model_3d_plain": "bat54w-l4-etched.glb",
"model_3d_step": "bat54w-l4-etched.step",
"model_3d_step_plain": "bat54w-l4.step",
"lbr": "bat54w-l4.lbr"
},
"distributor_links": {
"lcsc": "C2919783"
},
"distributor_check": {
"checked_at": "2026-10-18T12:33:09Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "A",
"type": "passive",
"description": "Anode of the single Schottky diode (BAT54W, marking L4); the diode is rated for 30 V reverse voltage and 200 mA forward continuous current."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "No internal connection on the single-diode BAT54W (L4); the pin is not wired in the schematic symbol."
},
{
"number": "3",
"name": "K",
"type": "passive",
"description": "Cathode of the single Schottky diode (BAT54W, marking L4), on the top lead of the package symbol."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin functions were read from the small schematic symbol on page 1. The datasheet has no pin table. T",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 3,
"cost_usd": 0.1839,
"at": "2026-10-18T12:30:59"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590215119842926592",
"pages": 3,
"sha256": "656e609e6d7b5ef5",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 3,
"described": 3,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "bat54w-l4.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.1,
2,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "acbf75a28fe41aa90efb38cd2b78220968d6eb6ebae1625dfd532dbeb268fece",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "bat54w-l4-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.1,
2,
1.1
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7ad4532863487951156ffd5917290326f4ea2c30169b94c842e7693b967b35cc",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "CBI",
"Package": "SOT-323",
"Category": "Diodes",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "656e609e6d7b5ef56e2c920e950ab8dca3ec48a9855c80ac4499ed0293b80646",
"rows": [
{
"name": "Reverse Breakdown Voltage",
"symbol": "V(BR)R",
"kind": "electrical",
"unit": "V",
"min": 30,
"typ": null,
"max": null,
"conditions": "IR=100μA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Forward voltage",
"symbol": "VF1",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.24,
"conditions": "IF=0.1mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Forward voltage",
"symbol": "VF2",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.32,
"conditions": "IF=1mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Forward voltage",
"symbol": "VF3",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "IF=10mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Forward voltage",
"symbol": "VF4",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "IF=30mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Forward voltage",
"symbol": "VF5",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1,
"conditions": "IF=100mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Reverse current",
"symbol": "IR",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 2,
"conditions": "VR=25V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Diode Capacitance",
"symbol": "CD",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": null,
"max": 10,
"conditions": "VR=1V,f=1MHz",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Reverse Recovery Time",
"symbol": "trr",
"kind": "electrical",
"unit": "nS",
"min": null,
"typ": null,
"max": 5,
"conditions": "IF=IR=10mA, Irr=0.1XIR, RL=100Ω",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Peak Repetitive Peak reverse voltage / Working Peak Reverse Voltage / Reverse voltage",
"symbol": "VRRM / VRWM / VR",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 30,
"conditions": "Maximum Ratings @TA=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Forward Continuous Current",
"symbol": "IFM",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 200,
"conditions": "Maximum Ratings @TA=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Power Dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 200,
"conditions": "Maximum Ratings @TA=25℃",
"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": [],
"sections": [
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"readme",
"breadcrumbs",
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],
"discovery_triggers": [
"bat54w l4"
],
"discovery_pitch": "BAT54W L4 (CBI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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"path": "docs/hero.png"
},
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}
}