component
LM4041QCEM3-1.2NO
Public Made by Adomby adom
Texas Instruments Voltage Reference, SOT-23-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
main
Ray
Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout")
df2fdc9
7d ago
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{
"number": "1",
"name": "CATHODE",
"type": "passive",
"description": "Cathode / negative terminal (-). Shunt current flows in here and the 1.225 V reference voltage is developed between this pin and the anode. Bias through a series resistor from the supply so the shunt current stays within 60 µA to 12 mA."
},
{
"number": "2",
"name": "ANODE",
"type": "passive",
"description": "Anode / positive terminal (+). Normally tied to ground in a shunt-reference topology; forms the return for the 1.225 V reference developed across cathode-to-anode."
},
{
"number": "3",
"name": "NC",
"type": "unconnected",
"description": "No internal connection. Must be left floating, or connected to the anode (+) pin. TI recommends tying to anode in high-EMI environments (e.g. near transformers) or where significant high-frequency switching noise is present."
}
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"updated_at": "2026-09-28T16:55:13.316Z"
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