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BL9161G-33BPRT
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BL Shanghai Belling Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# BL9161G-33BPRT++**BL Shanghai Belling** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-3++BL9161G-33BPRT from BL Shanghai Belling, in a SOT-23-3. 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 | GND | power_in | Device ground reference. Connect to the system ground plane. |+| 2 | VOUT | power_out | Regulated 3.3V output (±2%). Requires at least 1µF output capacitor (2.2µF recommended for 1.2V/1.5V/1.8V variants) for stability. Supplies up to 300mA with 205mV dropout. |+| 3 | VIN | power_in | Power input voltage, 2.2V to 6V. A 1µF input decoupling capacitor is recommended. Absolute maximum -0.3V to +6V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | BL Shanghai Belling |+| Package | SOT-23-3 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `BL9161G-33BPRTRT`+- `BL9161G-33BPRTRN`+- `BL9161G-33BPRTURN`+- `BL9161G-33BPRTDRN`++## CAD (KiCad official)++- Symbol: `BL9161G-33BPRT`+- Footprint: `Package_TO_SOT_SMD:SOT-23-3`+- 3D model: SOT-23-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [BL Shanghai Belling datasheet](docs/bl9161g-33bprt-datasheet.pdf) (12 pp, sha256 `74f47540de0b9365`, retrieved 2026-08-17, tier: lcsc)+- **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/bl9161g-33bprt-datasheet.pdf)
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