component
1SS193
Public Made by Adomby adom
UMW Switching Diodes, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"type": "component",
"slug": "1ss193",
"title": "1SS193",
"brief": "UMW Switching Diodes, SOT-23. 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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"manufacturer": "UMW",
"package": "SOT-23",
"pin_count": 3,
"category": "Diodes",
"subcategory": "Switching Diodes",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907069785452544",
"parts": {
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"footprint": "1ss193.kicad_mod",
"model_3d": "1ss193-hero.glb",
"model_3d_plain": "1ss193-etched.glb",
"model_3d_step": "1ss193-etched.step",
"model_3d_step_plain": "1ss193.step",
"lbr": "1ss193.lbr"
},
"distributor_links": {
"lcsc": "C545545"
},
"distributor_check": {
"checked_at": "2026-10-17T14:13:54Z",
"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 switching diode (symbol shows current flowing from pin 1 to pin 3), with 80 V DC blocking voltage, 85 V non-repetitive peak reverse voltage and 300 mA forward continuous current."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "Not connected; pin 2 is drawn as an open, unconnected terminal in the package schematic."
},
{
"number": "3",
"name": "K",
"type": "passive",
"description": "Cathode of the single switching diode (symbol shows the diode bar toward pin 3), with 80 V DC blocking voltage and 100 mA average rectified output current."
}
],
"provenance": {
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"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 function was read from the schematic drawing on page 1. The text gives no pin table, and the dio; The page 3 header and footer say 'UMW 1SS226', not 1SS193. The SOT-23 outline drawing is likely shar",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 3,
"cost_usd": 0.1677,
"at": "2026-10-17T14:10:26"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907069785452544",
"pages": 3,
"sha256": "6e324ed6ffeadcc7",
"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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"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
3,
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],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "1ss193-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
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"seat": "z = 0",
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"sha256": "08d7ca20bbdbba6f00826bf01b39b5833b861e303e417f282b96da5a8f00c971",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "UMW",
"Package": "SOT-23",
"Category": "Diodes",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "6e324ed6ffeadcc7be5813e533266091e94c2e0d31b2b90bef81dadc5e3ee12a",
"rows": [
{
"name": "Reverse breakdown voltage",
"symbol": "V(BR)",
"kind": "electrical",
"unit": "V",
"min": 80,
"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": 0.61,
"conditions": "IF=1mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Forward voltage",
"symbol": "VF2",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.74,
"conditions": "IF=10mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Forward voltage",
"symbol": "VF3",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.92,
"max": 1.2,
"conditions": "IF=100mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Reverse current",
"symbol": "IR1",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "VR=30V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Reverse current",
"symbol": "IR2",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "VR=80V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Capacitance between terminals",
"symbol": "CT",
"kind": "electrical",
"unit": "PF",
"min": null,
"typ": 1,
"max": 3,
"conditions": "VR=0V,f=1MHz",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Reverse recovery time",
"symbol": "trr",
"kind": "electrical",
"unit": "nS",
"min": null,
"typ": 1.6,
"max": 4,
"conditions": "IF=IR=10mA,Irr=0.1×IR",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Non-Repetitive Peak Reverse Voltage",
"symbol": "VRM",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 85,
"conditions": "@Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "DC Blocking Voltage",
"symbol": "VR",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 80,
"conditions": "@Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Forward Continuous Current",
"symbol": "IFM",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 300,
"conditions": "@Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Average Rectified Output Current",
"symbol": "IO",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 100,
"conditions": "@Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Non-Repetitive Peak Forward Surge Current",
"symbol": "IFSM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2,
"conditions": "@t=8.3ms, @Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Power Dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 150,
"conditions": "@Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Junction Temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 150,
"conditions": "@Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal Resistance from Junction to Ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": null,
"max": 833,
"conditions": "",
"source_page": 1,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
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],
"discovery_triggers": [
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],
"discovery_pitch": "1SS193 (UMW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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}
}