component
MMSZ5248CT1G
Public Made by Adomby adom
onsemi Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338
{
"schema_version": 1,
"type": "component",
"slug": "mmsz5248ct1g",
"title": "MMSZ5248CT1G",
"brief": "onsemi Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"diodes",
"mmsz5248ct1g",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MMSZ5248CT1G",
"manufacturer": "onsemi",
"package": "SOD-123",
"pin_count": 2,
"category": "Diodes",
"subcategory": "Zener Diodes",
"datasheet": "https://www.onsemi.com/pdf/datasheet/mmsz5248ct1-d.pdf",
"parts": {
"symbol": "mmsz5248ct1g.kicad_sym",
"footprint": "mmsz5248ct1g.kicad_mod",
"model_3d": "mmsz5248ct1g-hero.glb",
"model_3d_plain": "mmsz5248ct1g-etched.glb",
"model_3d_step": "mmsz5248ct1g-etched.step",
"model_3d_step_plain": "mmsz5248ct1g.step",
"lbr": "mmsz5248ct1g.lbr"
},
"distributor_links": {
"lcsc": "C891730",
"digikey": "MMSZ5248CT1GOSTR-ND",
"mouser": "863-MMSZ5248CT1G"
},
"distributor_check": {
"checked_at": "2026-10-23T06:16:42Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "MMSZ5248CT1GOSTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "863-MMSZ5248CT1G",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "Cathode",
"type": "passive",
"description": "Cathode, indicated by the polarity band; for MMSZ5248CT1G the Zener voltage is 17.64 V min to 18.36 V max (18 V nominal) at IZT = 7.0 mA."
},
{
"number": "2",
"name": "Anode",
"type": "passive",
"description": "Anode terminal of the Zener diode (SOD-123 CASE 425 Style 1); forward voltage is 0.9 V max at IF = 10 mA."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [],
"pages_sent": 8,
"cost_usd": 0.0826,
"at": "2026-10-23T06:15:56"
},
"datasheet": {
"url": "https://www.onsemi.com/pdf/datasheet/mmsz5248ct1-d.pdf",
"pages": 8,
"sha256": "2711e46b01090f07",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 2,
"described": 2,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "mmsz5248ct1g.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.5,
1.6,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "132323445e3d1f9231e81c083cd88a33cd204dd8b96063bb2ed1f3ab4470c7e7",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "mmsz5248ct1g-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.5,
1.6,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f2f88ff77f1bbba58018f0a6380afb3c823ce17796c0413172d824cee2aafbbd",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "onsemi",
"Package": "SOD-123",
"Category": "Diodes",
"Pins": "2"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "2711e46b01090f0732655c0ec5d99ef6f694e818fef977dea6cf350c63060fef",
"rows": [
{
"name": "Zener Voltage",
"symbol": "VZ",
"kind": "electrical",
"unit": "V",
"min": 17.64,
"typ": 18,
"max": 18.36,
"conditions": "@ IZT = 7.0 mA, TA = 25°C, thermal equilibrium",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum Zener Impedance",
"symbol": "ZZT",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 21,
"conditions": "@ IZT = 7.0 mA, IZ(AC) = 0.1 IZ(dc), f = 1 kHz",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum Zener Impedance",
"symbol": "ZZK",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 600,
"conditions": "@ IZK = 0.25 mA, IZ(AC) = 0.1 IZ(dc), f = 1 kHz",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Reverse Leakage Current",
"symbol": "IR",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "@ VR = 14 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Forward Voltage",
"symbol": "VF",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.9,
"conditions": "@ IF = 10 mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Zener Voltage Tolerance",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -2,
"typ": null,
"max": 2,
"conditions": "C suffix, on nominal Zener voltage",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Total Power Dissipation on FR-5 Board",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 500,
"conditions": "@ TL = 75°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Power Derating above 75°C",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW/°C",
"min": null,
"typ": null,
"max": 6.7,
"conditions": "Derated above 75°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Junction and Storage Temperature Range",
"symbol": "TJ, Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal Resistance, Junction-to-Ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 340,
"conditions": "Note 2",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal Resistance, Junction-to-Lead",
"symbol": "RθJL",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 150,
"conditions": "Note 2",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Nominal Zener Voltage",
"symbol": "VZ nom",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 18,
"max": null,
"conditions": "@ IZT = 7.0 mA",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"mmsz5248ct1g"
],
"discovery_pitch": "MMSZ5248CT1G (onsemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"mmsz5248ct1g.kicad_sym",
"mmsz5248ct1g.kicad_mod",
"mmsz5248ct1g.glb",
"mmsz5248ct1g.step",
"mmsz5248ct1g.lbr",
"docs/hero.png",
"docs/mmsz5248ct1g-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"mmsz5248ct1g-hero.glb",
"mmsz5248ct1g-hero.overlay.json",
"mmsz5248ct1g-etched.glb"
],
"visibility": {
"public": true
}
}