component
1XXB38400MEA
Public Made by Adomby adom
KDS Daishinku Temperature Compensated Crystal Oscillators (TCXO), SMD2520-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397
{
"schema_version": 1,
"type": "component",
"slug": "1xxb38400mea",
"title": "1XXB38400MEA",
"brief": "KDS Daishinku Temperature Compensated Crystal Oscillators (TCXO), SMD2520-4P. 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",
"crystals, oscillators, resonators",
"1xxb38400mea",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "1XXB38400MEA",
"manufacturer": "KDS Daishinku",
"package": "SMD2520-4P",
"pin_count": 4,
"category": "Crystals, Oscillators, Resonators",
"subcategory": "Temperature Compensated Crystal Oscillators (TCXO)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588910975596969984",
"parts": {
"symbol": "1xxb38400mea.kicad_sym",
"footprint": "1xxb38400mea.kicad_mod",
"model_3d": "1xxb38400mea-hero.glb",
"model_3d_plain": "1xxb38400mea-etched.glb",
"model_3d_step": "1xxb38400mea-etched.step",
"model_3d_step_plain": "1xxb38400mea.step",
"lbr": "1xxb38400mea.lbr"
},
"distributor_links": {
"lcsc": "C253732"
},
"distributor_check": {
"checked_at": "2026-10-16T03:49:43Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Ground connection; pin #1 is also the index corner (#1 Index) and is one of two GND pins listed in the Pin Connections table."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground connection; listed as GND in the Pin Connections table alongside pin #1."
},
{
"number": "3",
"name": "Output",
"type": "output",
"description": "TCXO clipped sine wave output (DC-coupled) with minimum output level 0.8 VP-P, measured into LOAD_R 10 kΩ ±10% // LOAD_C 10 pF ±10%."
},
{
"number": "4",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage input; recommended VCC is +1.7 V min, +1.8 V typ, +3.3 V max, with absolute maximum rating -0.3 to +4.6 V."
}
],
"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 datasheet never prints the package name 'SMD2520' or '4P'. The pinout comes from the single 'Out; The datasheet names the device DSB221SDN with marking model code 'BN' and the part number 1XXB38400M; The outline drawing labels pins as (1)-(4) and #1-#4 with a pin 1 index mark. The table uses #1-#4 w"
],
"pages_sent": 2,
"cost_usd": 0.0148,
"at": "2026-10-16T03:49:27"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588910975596969984",
"pages": 2,
"sha256": "8b979f83a0da1688",
"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": "1xxb38400mea.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
2,
0.83
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "cd0c53e8a35a3cb36fc18e5248a2acf382b94b62d156b7bb9cc398eef3e21c4a",
"checked": "2026-10-16",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "1xxb38400mea-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
2,
0.83
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "149c26f4e17e7feae35ec94c3f43d4b0995fbc979b59fbd6773414018f784bda",
"checked": "2026-10-16",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "KDS Daishinku",
"Package": "SMD2520-4P",
"Category": "Crystals, Oscillators, Resonators",
"Pins": "4"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "8b979f83a0da168856496a794c048d0ef8fac782f31e09be5d2874a1858ee2a2",
"rows": [
{
"name": "Supply Voltage",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4.6,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "T_STG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -30,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Supply Voltage",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 1.7,
"typ": 1.8,
"max": 3.3,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Load Impedance (resistance part)",
"symbol": "LOAD_R",
"kind": "recommended_operating",
"unit": "kΩ",
"min": 9,
"typ": 10,
"max": 11,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Load Impedance (parallel capacitance)",
"symbol": "LOAD_C",
"kind": "recommended_operating",
"unit": "pF",
"min": 9,
"typ": 10,
"max": 11,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operating Temperature Range",
"symbol": "T_OPR",
"kind": "recommended_operating",
"unit": "°C",
"min": -30,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Current Consumption",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Output Level",
"symbol": "",
"kind": "electrical",
"unit": "VP-P",
"min": 0.8,
"typ": null,
"max": null,
"conditions": "Note 1: clipped sine wave (DC-coupled)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Harmonics",
"symbol": "",
"kind": "electrical",
"unit": "dBc",
"min": null,
"typ": null,
"max": -5,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Frequency Stability - Tolerance",
"symbol": "",
"kind": "tolerance",
"unit": "ppm",
"min": -1.5,
"typ": null,
"max": 1.5,
"conditions": "After 2 times reflow; ref. to frequency before reflow; notes 2 and 3",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Frequency Stability - vs Temperature",
"symbol": "",
"kind": "temperature_coefficient",
"unit": "ppm",
"min": -0.5,
"typ": null,
"max": 0.5,
"conditions": "TA=-30~+85°C; ref. to frequency at TA=+25°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Frequency Stability - vs Supply Voltage",
"symbol": "",
"kind": "tolerance",
"unit": "ppm",
"min": -0.2,
"typ": null,
"max": 0.2,
"conditions": "VCC=+1.8V±5%",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Frequency Stability - vs Load Variation",
"symbol": "",
"kind": "tolerance",
"unit": "ppm",
"min": -0.2,
"typ": null,
"max": 0.2,
"conditions": "LOAD_R//C=(10kΩ//10pF)±10%",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Frequency Stability - vs Aging",
"symbol": "",
"kind": "tolerance",
"unit": "ppm/year",
"min": -1,
"typ": null,
"max": 1,
"conditions": "TA=Room ambient",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Start Up Time",
"symbol": "",
"kind": "electrical",
"unit": "ms",
"min": null,
"typ": null,
"max": 2,
"conditions": "@90% of final Vout level",
"source_page": 1,
"source": "datasheet"
},
{
"name": "SSB Phase Noise",
"symbol": "",
"kind": "electrical",
"unit": "dBc/Hz",
"min": null,
"typ": null,
"max": -125,
"conditions": "Relative to f0 level, offset 1kHz",
"source_page": 1,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"1xxb38400mea"
],
"discovery_pitch": "1XXB38400MEA (KDS Daishinku) 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",
"1xxb38400mea.kicad_sym",
"1xxb38400mea.kicad_mod",
"1xxb38400mea.glb",
"1xxb38400mea.step",
"1xxb38400mea.lbr",
"docs/hero.png",
"docs/1xxb38400mea-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"1xxb38400mea-hero.glb",
"1xxb38400mea-hero.overlay.json",
"1xxb38400mea-etched.glb"
],
"visibility": {
"public": true
}
}