# BAT54TW

**hongjiacheng** · Schottky Diodes · SOT-363

BAT54TW from hongjiacheng, in a SOT-363. 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 | A1 | passive | Anode of diode 1 (paired with cathode pin 6); the part is rated 30V VR and 0.2A IF(AV). |
| 2 | A2 | passive | Anode of diode 2 (paired with cathode pin 5); the part is rated 30V VR and 0.2A IF(AV). |
| 3 | A3 | passive | Anode of diode 3 (paired with cathode pin 4); the part is rated 30V VR and 0.2A IF(AV). |
| 4 | K3 | passive | Cathode of diode 3 (paired with anode pin 3); the part is rated 30V VR and 0.2A IF(AV). |
| 5 | K2 | passive | Cathode of diode 2 (paired with anode pin 2); the part is rated 30V VR and 0.2A IF(AV). |
| 6 | K1 | passive | Cathode of diode 1 (paired with anode pin 1); the part is rated 30V VR and 0.2A IF(AV). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | hongjiacheng |
| Package | SOT-363 |
| Category | Diodes |
| Pins | 6 |

## CAD (KiCad official)

- Symbol: `BAT54TW`
- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`
- 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files: `bat54tw-etched.step` / `bat54tw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bat54tw.step` / `bat54tw.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [hongjiacheng datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603186766492803072) (3 pp, sha256 `84a88bbc2a0ec138`, retrieved 2026-10-09, 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/bat54tw-datasheet.pdf)