component
HE2021A33HPR
Public Made by Adomby adom
HEERMICR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "he2021a33hpr",
"title": "HE2021A33HPR",
"brief": "HEERMICR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. 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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"power management (pmic)",
"he2021a33hpr",
"factory-2.0.0",
"extractor-text"
],
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"manufacturer": "HEERMICR",
"package": "SOT-89-3",
"pin_count": 3,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588916700934770688",
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"lbr": "he2021a33hpr.lbr"
},
"distributor_links": {
"lcsc": "C711942"
},
"distributor_check": {
"checked_at": "2026-10-18T15:21:40Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Ground pin, the left lead in the SOT89 top view."
},
{
"number": "2",
"name": "VIN",
"type": "power_in",
"description": "Input supply pin, the middle lead in the SOT89 top view, with absolute maximum supply voltage of -0.3V to 35V."
},
{
"number": "3",
"name": "VOUT",
"type": "power_out",
"description": "Regulated 3.3V output pin (±1% tolerance), the right lead in the SOT89 top view, rated for 200mA output current."
}
],
"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: The SOT89 top-view drawing labels the leads GND, VIN, VOUT from left to right but doesn't print pin ; The SOT89 drawing shows a tab on the package but doesn't say which net it connects to, so I left it ; The ordering code 'HE2021A33HPR' decodes as 3.3V output, H = standard, P = SOT89 and R = RoHS, so th",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 9,
"cost_usd": 0.1844,
"at": "2026-10-18T15:21:27"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588916700934770688",
"pages": 9,
"sha256": "8d7e2c2e64e2ae10",
"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": "he2021a33hpr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4.5,
1.52
],
"zmin_mm": 0,
"centre_offset_mm": 0.05,
"footprint_binding": "identity",
"sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "he2021a33hpr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
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"footprint_binding": "identity",
"sha256": "ebe3bba93ff26713cfbfc597b99cdb80004229a0376720d62c6506d227de74a3",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "HEERMICR",
"Package": "SOT-89-3",
"Category": "Power Management (PMIC)",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "8d7e2c2e64e2ae105feb92b2560b02760e80d6391f67c8b66004ab26b5008d59",
"rows": [
{
"name": "Output Voltage",
"symbol": "VOUT",
"kind": "electrical",
"unit": "V",
"min": 3.267,
"typ": 3.3,
"max": 3.333,
"conditions": "VIN=8V, IOUT=10mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Current",
"symbol": "IOUT",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 200,
"conditions": "VIN=6.3V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "ΔVOUT",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 40,
"max": 60,
"conditions": "VIN=8V, 1mA≤IOUT≤20mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Current Consumption",
"symbol": "ISS",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 2,
"max": 3,
"conditions": "VIN=8V, No load",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input Voltage",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 35,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Voltage Temperature Coefficient",
"symbol": "",
"kind": "temperature_coefficient",
"unit": "mV/℃",
"min": -0.12,
"typ": null,
"max": 0.12,
"conditions": "VIN=8V, IOUT=10mA, 0℃<Ta<100℃",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply Voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 35,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "℃",
"min": -50,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance (Junction to Ambient)",
"symbol": "θJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": null,
"max": 200,
"conditions": "SOT89, no ambient airflow, no heat sink",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power Dissipation",
"symbol": "PD",
"kind": "thermal",
"unit": "W",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "SOT89, Ta=25℃",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
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],
"discovery_triggers": [
"he2021a33hpr"
],
"discovery_pitch": "HE2021A33HPR (HEERMICR) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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},
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"visibility": {
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}
}