component
PT4308
Public Made by Adomby adom
PTC Princeton Tech RF Transceiver ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638
{
"schema_version": 1,
"type": "component",
"slug": "pt4308",
"title": "PT4308",
"brief": "PTC Princeton Tech RF Transceiver ICs, SOP-8. 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",
"rf and wireless",
"pt4308",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "PT4308",
"manufacturer": "PTC Princeton Tech",
"package": "SOP-8",
"pin_count": 8,
"category": "RF And Wireless",
"subcategory": "RF Transceiver ICs",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884852427276288",
"parts": {
"symbol": "pt4308.kicad_sym",
"footprint": "pt4308.kicad_mod",
"model_3d": "pt4308-hero.glb",
"model_3d_plain": "pt4308-etched.glb",
"model_3d_step": "pt4308-etched.step",
"model_3d_step_plain": "pt4308.step",
"lbr": "pt4308.lbr"
},
"distributor_links": {
"lcsc": "C481966"
},
"distributor_check": {
"checked_at": "2026-10-18T03:16:20Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "VSS",
"type": "power_in",
"description": "Ground reference for the device; the datasheet asks that the larger ground plane be placed as close as possible to all VSS pins."
},
{
"number": "2",
"name": "ANT",
"type": "input",
"description": "RF input connected to the antenna through an L-type matching network (L1/C1) to present 50 Ohm; ESD protection is rated at better than 4 kV HBM, 400 V MM and 1 kV CDM."
},
{
"number": "3",
"name": "VREG",
"type": "power_out",
"description": "Regulated core voltage output from the on-chip regulator, which requires a bypass capacitor C2 placed as close as possible to the pin."
},
{
"number": "4",
"name": "VDD5",
"type": "power_in",
"description": "5 V regulator input that accepts a supply range of 2.1 V to 5.5 V (5.0 V nominal) and should incorporate series-R, shunt-C filtering; absolute maximum is -0.3 V to 6 V."
},
{
"number": "5",
"name": "EN",
"type": "input",
"description": "Chip enable: tie HIGH for normal operation (VIH minimum 0.8 x VDD5) and LOW for standby (VIL maximum 0.2 x VDD5), where standby current is 1 µA maximum."
},
{
"number": "6",
"name": "DO",
"type": "output",
"description": "Data output with VOH minimum 0.9 x VDD5 at -1 µA and VOL maximum 0.1 x VDD5 at +1 µA, and a rise/fall time of about 2 µs at 15 pF load."
},
{
"number": "7",
"name": "CTH",
"type": "bidirectional",
"description": "Connection for the data slicing threshold capacitor CTH, which works with the on-chip 32.5 kΩ RTH to set the slicing level time constant; a squelch resistor may also be connected here."
},
{
"number": "8",
"name": "XIN",
"type": "input",
"description": "Reference oscillator input for the 13.598 MHz crystal (CLoad 220 pF in the reference design), requiring a minimum oscillation swing of 300 mVpP."
}
],
"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 PIN CONFIGURATION drawing on page 3 is garbled in the extracted text. The pinout was taken from ; The datasheet labels CTH as I/O, mapped here to bidirectional. XIN is labeled I in the datasheet and",
"1/8 pins cited to the wrong page (name found elsewhere): ['8:XIN@p5']"
],
"pages_sent": 15,
"cost_usd": 0.0596,
"at": "2026-10-18T03:14:17"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884852427276288",
"pages": 15,
"sha256": "f3ac3a7eb2a87770",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "pt4308.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "pt4308-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "4a6e83c2aafada4869a21b23ec3f2849d378223963d764cc88ad96ade8801885",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "PTC Princeton Tech",
"Package": "SOP-8",
"Category": "RF And Wireless",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "f3ac3a7eb2a87770a8f13f62115a9cdf94f865e20d95556dd06ae12a67f93b6b",
"rows": [
{
"name": "Supply Voltage",
"symbol": "VDD5",
"kind": "electrical",
"unit": "V",
"min": 2.1,
"typ": 5,
"max": 5.5,
"conditions": "Supply voltage applied to VDD5 pin only",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Standby Current",
"symbol": "ISTBY",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 1,
"conditions": "CE = LOW",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Operating Frequency Range",
"symbol": "fRF",
"kind": "electrical",
"unit": "MHz",
"min": 390,
"typ": 433.92,
"max": 480,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Maximum Receiver Input Level",
"symbol": "PRF,MAX",
"kind": "electrical",
"unit": "dBm",
"min": -20,
"typ": -15,
"max": null,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Data Rate",
"symbol": "DRATE",
"kind": "electrical",
"unit": "Kb/s",
"min": null,
"typ": 2,
"max": 10,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "System Start-Up Time",
"symbol": "TSTUP",
"kind": "timing",
"unit": "ms",
"min": null,
"typ": 2,
"max": 3,
"conditions": "With fast start-up circuit",
"source_page": 12,
"source": "datasheet"
},
{
"name": "LO Leakage",
"symbol": "LLO",
"kind": "electrical",
"unit": "dBm",
"min": null,
"typ": null,
"max": -80,
"conditions": "Measured at antenna input",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Receive Modulation Duty Cycle",
"symbol": "DUTY",
"kind": "electrical",
"unit": "%",
"min": 20,
"typ": null,
"max": 80,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "CTH Leakage Current",
"symbol": "IZCTH",
"kind": "electrical",
"unit": "nA",
"min": -100,
"typ": null,
"max": 100,
"conditions": "TA = +85 °C",
"source_page": 12,
"source": "datasheet"
},
{
"name": "VCO Frequency Range",
"symbol": "fVCO",
"kind": "electrical",
"unit": "MHz",
"min": 370,
"typ": null,
"max": 500,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Reference Signal Voltage Swing",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 0.3,
"typ": null,
"max": 2,
"conditions": "Peak-to-peak voltage (VPP)",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Supply Voltage Range",
"symbol": "VDD5",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Analog I/O Voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Digital I/O Voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Operating Temperature Range",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "ESD Rating (HBM)",
"symbol": "VESD (HBM)",
"kind": "absolute_maximum",
"unit": "V",
"min": -4000,
"typ": null,
"max": 4000,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "ESD Rating (MM)",
"symbol": "VESD (MM)",
"kind": "absolute_maximum",
"unit": "V",
"min": -400,
"typ": null,
"max": 400,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "ESD Rating (CDM)",
"symbol": "VESD (CDM)",
"kind": "absolute_maximum",
"unit": "V",
"min": -1000,
"typ": null,
"max": 1000,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "From Chip Conjunction Dissipation to Package Surface",
"symbol": "Rjc",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 1,
"max": 1.8,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Current Consumption",
"symbol": "IDD5",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 4.3,
"max": null,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Sensitivity (ASK)",
"symbol": "SIN",
"kind": "electrical",
"unit": "dBm",
"min": null,
"typ": -114,
"max": null,
"conditions": "ASK2, DRATE = 2 Kb/s, Peak power level",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Sensitivity (OOK)",
"symbol": "SIN",
"kind": "electrical",
"unit": "dBm",
"min": null,
"typ": -108,
"max": null,
"conditions": "OOK, DRATE = 2 Kb/s, Peak power level",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Image Rejection Ratio",
"symbol": "IRR",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": 25,
"max": null,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "IF Center Frequency",
"symbol": "fIF",
"kind": "electrical",
"unit": "MHz",
"min": null,
"typ": 1.236,
"max": null,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "IF Bandwidth",
"symbol": "BWIF",
"kind": "electrical",
"unit": "KHz",
"min": null,
"typ": 380,
"max": null,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "RSSI Slope",
"symbol": "SLRSSI",
"kind": "electrical",
"unit": "mV/dB",
"min": null,
"typ": 8,
"max": null,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Post-Demodulator Filter Bandwidth",
"symbol": "BWDF",
"kind": "electrical",
"unit": "KHz",
"min": null,
"typ": 5,
"max": null,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Reference Frequency",
"symbol": "fREFOSC",
"kind": "electrical",
"unit": "MHz",
"min": null,
"typ": 13.598,
"max": null,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Divider Ratio",
"symbol": "DIV",
"kind": "electrical",
"unit": "",
"min": null,
"typ": 32,
"max": null,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Output Current (source)",
"symbol": "IOUT",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 480,
"max": null,
"conditions": "Source current at 0.8 × VDD5",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Output Current (sink)",
"symbol": "IOUT",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 600,
"max": null,
"conditions": "Sink current at 0.2 × VDD5",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Output Rise/Fall Times",
"symbol": "tR/tF",
"kind": "electrical",
"unit": "μs",
"min": null,
"typ": 2,
"max": null,
"conditions": "DO pin, CLOAD = 15 pF",
"source_page": 12,
"source": "datasheet"
},
{
"name": "From Chip Conjunction Dissipation to External Environment",
"symbol": "Rja",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 37.15,
"max": null,
"conditions": "TA = 27 °C",
"source_page": 11,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"pt4308"
],
"discovery_pitch": "PT4308 (PTC Princeton Tech) 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",
"pt4308.kicad_sym",
"pt4308.kicad_mod",
"pt4308.glb",
"pt4308.step",
"pt4308.lbr",
"docs/hero.png",
"docs/pt4308-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"pt4308-hero.glb",
"pt4308-hero.overlay.json",
"pt4308-etched.glb"
],
"visibility": {
"public": true
}
}