LM4041BIM3X-1.2

@@ -0,0 +1,48 @@+# LM4041BIM3X-1.2++**Texas Instruments** · Voltage Reference · SOT-23++LM4041BIM3X-1.2 from Texas Instruments, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | - | bidirectional | Cathode (negative terminal). Carries the shunt current and produces the 1.225 V reference output voltage. Bias through a series resistor from the supply so that 60 μA ≤ I_R ≤ 12 mA. |+| 2 | + | power_in | Anode (positive/common terminal). Normally connected to ground (or to the low side of the reference network) and serves as the return path for the shunt current. |+| 3 | NC* | unconnected | No internal connection. Must be left floating or tied to the '+' (anode) pin. In high-EMI environments (transformer proximity or high-frequency switching noise) TI recommends tying this pin to the '+' pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23 |+| Category | Power Management (PMIC) |+| Pins | 3 |++## Ordering variants++Same part, different packaging or reel option.++- `LM4041BIM3X-1.2`+- `LM4041BIM3X-1.2IDCK`+- `LM4041BIM3X-1.2ILP`+- `LM4041BIM3X-1.2ILPR`++## CAD (KiCad official)++- Symbol: `LM4041BIM3X-1.2`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/lm4041-n) (54 pp, sha256 `cd8ea9cf52a32021`, retrieved 2026-08-17, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/lm4041bim3x-1-2-datasheet.pdf)

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