component
LT219-2
Public Made by Adomby adom
Letex Solid State Relays (MOS Output), SOP-4-2.54mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481
{
"schema_version": 1,
"type": "component",
"slug": "lt219-2",
"title": "LT219-2",
"brief": "Letex Solid State Relays (MOS Output), SOP-4-2.54mm. 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",
"optoisolators",
"lt219-2",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LT219-2",
"manufacturer": "Letex",
"package": "SOP-4-2.54mm",
"pin_count": 4,
"category": "Optoisolators",
"subcategory": "Solid State Relays (MOS Output)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588903012865609728",
"parts": {
"symbol": "lt219-2.kicad_sym",
"footprint": "lt219-2.kicad_mod",
"model_3d": "lt219-2-hero.glb",
"model_3d_plain": "lt219-2-etched.glb",
"model_3d_step": "lt219-2-etched.step",
"model_3d_step_plain": "lt219-2.step",
"lbr": "lt219-2.lbr"
},
"distributor_links": {
"lcsc": "C2691602"
},
"distributor_check": {
"checked_at": "2026-10-15T14:12:39Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "LED Anode",
"type": "input",
"description": "Anode of the GaAlAs infrared input LED, with continuous LED current limited to 50 mA and LED reverse voltage limited to 5 V."
},
{
"number": "2",
"name": "LED Cathode",
"type": "passive",
"description": "Cathode of the input LED; the datasheet gives an operating LED current of 0.5 to 2.0 mA (IF on) and a TTL/CMOS-compatible drive requirement."
},
{
"number": "3",
"name": "Drain (MOS FET)",
"type": "passive",
"description": "Drain of the output MOSFET switch, rated for a load voltage of 60 V (AC peak or DC) and a load current of 400 mA."
},
{
"number": "4",
"name": "Drain (MOS FET)",
"type": "passive",
"description": "Drain of the output MOSFET switch (second drain terminal of the 1-Form A output), rated for a load voltage of 60 V (AC peak or DC) and a load current of 400 mA."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The package hint says SOP-4-2.54mm, but the datasheet never states a 2.54 mm pitch. It only gives th; The datasheet labels pins 3 and 4 both as 'Drain (MOS FET)' with no separate source pin. The pin typ; The datasheet does not give electrical type classes for pins. Types were assigned from the function "
],
"pages_sent": 4,
"cost_usd": 0.0214,
"at": "2026-10-15T14:12:25"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588903012865609728",
"pages": 4,
"sha256": "23e79f3426c47252",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 4,
"described": 4,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "lt219-2.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.096,
4.089,
2.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f966be0315ede1d7c279b7361961651ad3bf041e8ee08b9486d3e8f3322ca8cf",
"checked": "2026-10-15",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lt219-2-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.096,
4.089,
2.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "c7efb2680e7fc07236f04f93c0f4c31ffae1ae9f0eb0a3b916cbe05eebd03af0",
"checked": "2026-10-15",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Letex",
"Package": "SOP-4-2.54mm",
"Category": "Optoisolators",
"Pins": "4"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "23e79f3426c472523eed5c581867e78297faef3176d9c082e5587e553d3f5213",
"rows": [
{
"name": "LED Forward Voltage",
"symbol": "VF",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.2,
"max": 1.4,
"conditions": "IF=10mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operation LED Current",
"symbol": "IF on",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.5,
"max": 2,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Recovery LED Current",
"symbol": "IF off",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.35,
"max": 0.5,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Recovery LED Voltage",
"symbol": "VF off",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.7,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "On-Resistance",
"symbol": "Ron",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 0.2,
"max": 0.5,
"conditions": "IF=5mA, IL=100mA, time to flow is within 1 sec",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Off-State Leakage Current",
"symbol": "ILeak",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 1,
"conditions": "VL=Rating",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Turn-On Time",
"symbol": "Ton",
"kind": "electrical",
"unit": "ms",
"min": null,
"typ": 1,
"max": 1.3,
"conditions": "IF=5mA, IL=100mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Turn-Off Time",
"symbol": "Toff",
"kind": "electrical",
"unit": "ms",
"min": null,
"typ": 0.6,
"max": 0.8,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "I/O Capacitance",
"symbol": "CI/O",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 0.8,
"max": 1.5,
"conditions": "f=1MHz",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Continuous LED Current",
"symbol": "IF",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak LED Current",
"symbol": "IFP",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 1000,
"conditions": "f=100Hz, duty=1%",
"source_page": 2,
"source": "datasheet"
},
{
"name": "LED Reverse Voltage",
"symbol": "VR",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input Power Dissipation",
"symbol": "PIn",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 75,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Load Voltage",
"symbol": "VL",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 60,
"conditions": "AC peak or DC",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Load Current",
"symbol": "IL",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 400,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak Load Current",
"symbol": "IPeak",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 1,
"conditions": "100ms (1 pulse)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output Power Dissipation",
"symbol": "Pout",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 350,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Total Power Dissipation",
"symbol": "PT",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 400,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "I/O Breakdown Voltage",
"symbol": "VI/O",
"kind": "absolute_maximum",
"unit": "Vrms",
"min": null,
"typ": null,
"max": 1500,
"conditions": "RH=60%, 1min",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating Temperature",
"symbol": "Topr",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Pin Soldering Temperature",
"symbol": "Tsol",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 260,
"conditions": "10 sec max.",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output Capacitance",
"symbol": "Cout",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 115,
"max": null,
"conditions": "VL=0, f=1MHz",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lt219-2"
],
"discovery_pitch": "LT219-2 (Letex) 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",
"lt219-2.kicad_sym",
"lt219-2.kicad_mod",
"lt219-2.glb",
"lt219-2.step",
"lt219-2.lbr",
"docs/hero.png",
"docs/lt219-2-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lt219-2-hero.glb",
"lt219-2-hero.overlay.json",
"lt219-2-etched.glb"
],
"visibility": {
"public": true
}
}