# BA17810T

**ROHM Semicon** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-220-3

BA17810T from ROHM Semicon, in a TO-220-3. 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 | INPUT | power_in | Regulator input; recommended input voltage for BA17810T is 12.5 V to 25 V, absolute maximum 35 V. |
| 2 | COMMON | power_in | Common/ground terminal, to be kept at the lowest potential in any operating state with no terminal below it. |
| 3 | OUTPUT | power_out | Regulated 10 V output (9.6 V to 10.4 V at Io=500 mA), up to 1 A output current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | TO-220-3 |
| Category | Power Management (PMIC) |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `BA17810T`
- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`
- 3D model: TO-220-3 (KiCad packages3D, STEP)
- 3D model files: `ba17810t-etched.step` / `ba17810t-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ba17810t.step` / `ba17810t.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [ROHM Semicon datasheet](docs/ba17810t-datasheet.pdf) (6 pp, sha256 `692c0c937358466a`, retrieved 2026-10-23, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/ba17810t-datasheet.pdf)