component
LM4040D30IDBZT
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Texas Instruments Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+40@@ -0,0 +1,40 @@+# LM4040D30IDBZT++**Texas Instruments** · Voltage Reference · SOT-23++LM4040D30IDBZT from Texas Instruments, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | CATHODE | bidirectional | Parallel current/voltage input; the datasheet gives a continuous cathode current range of -10 mA to 25 mA absolute maximum and a recommended IZ of 15 mA maximum. |+| 2 | ANODE | output | General-purpose pin that is normally grounded; per the datasheet it is listed as type O, and the SOT-23 pin-2/pin-3 parasitic Schottky diode means pin 3 must follow this pin's connection. |+| 3 | * | input | Must be left floating or connected to the anode (pin 2); TI recommends connecting it to the anode in applications with high EMI or significant high-frequency switching noise. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23 |+| Category | Power Management (PMIC) |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `LM4040D30IDBZT`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)+- 3D model files: `lm4040d30idbzt-etched.step` / `lm4040d30idbzt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm4040d30idbzt.step` / `lm4040d30idbzt.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/lm4040) (62 pp, sha256 `68faec55d71e5cd5`, retrieved 2026-10-08, 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:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/lm4040d30idbzt-datasheet.pdf)
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