component
4N33M
Public Made by Adomby adom
onsemi Transistor, Photovoltaic Output Optoisolators, DIP-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"description": "onsemi Transistor, Photovoltaic Output Optoisolators, DIP-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"mpn": "4N33M",
"manufacturer": "onsemi",
"package": "DIP-6",
"pin_count": 6,
"category": "Optoisolators",
"subcategory": "Transistor, Photovoltaic Output Optoisolators",
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"pins": [
{
"number": "1",
"name": "ANODE",
"type": "passive",
"description": "LED anode of the gallium arsenide infrared emitter; the absolute maximum continuous forward current is 80 mA and reverse voltage is 3 V (page 4)."
},
{
"number": "2",
"name": "CATHODE",
"type": "passive",
"description": "LED cathode of the gallium arsenide infrared emitter; the same limits apply, with continuous forward current of 80 mA and reverse voltage of 3 V (page 4)."
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{
"number": "3",
"name": "N/C",
"type": "unconnected",
"description": "No internal connection, as labelled in the schematic; leave unconnected."
},
{
"number": "4",
"name": "EMITTER",
"type": "passive",
"description": "Emitter of the silicon planar photodarlington detector; the emitter-collector breakdown voltage BVECO is 5 V minimum (page 4)."
},
{
"number": "5",
"name": "COLLECTOR",
"type": "passive",
"description": "Collector of the silicon planar photodarlington detector; collector-emitter breakdown BVCEO is 30 V minimum and continuous collector current is 150 mA maximum (page 4)."
},
{
"number": "6",
"name": "BASE",
"type": "passive",
"description": "Photodarlington base, brought out so an external base-emitter resistor RBE can be used to adjust switching speed and CTR (pages 7 and 8)."
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"extractor": "extract_pins 0.3",
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"primary_model": "claude-haiku-5-5",
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"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The schematic text on page 2 is garbled in extraction: the pin-number-to-label mapping (1 ANODE, 2 C; The datasheet covers 4N29M/4N30M/4N32M/4N33M/H11B1M/TIL113M together. Pinout is common to all varian; Pin types are KiCad-style assignments chosen by me (optocoupler LED and photodarlington pins as pass"
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"at": "2026-10-18T12:36:55"
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