# YFW5V100 TB

**YFW** · Schottky Barrier Diodes (SBD) · DO-27

YFW5V100 TB from YFW, in a DO-27. 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 | K | passive | Cathode, the lead at the banded end marked 'Cathode Mark'; the part is rated 100 V VRRM/VDC and 5 A average forward current. |
| 2 | A | passive | Anode, the lead at the end opposite the cathode band; forward voltage is 0.54 V max at IF=5 A, 25°C. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | YFW |
| Package | DO-27 |
| Category | Diodes |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `YFW5V100 TB`
- Footprint: `Diode_THT:D_DO-27_P15.24mm_Horizontal`
- 3D model: DO-27 (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [YFW datasheet](docs/yfw5v100-tb-datasheet.pdf) (3 pp, sha256 `c0cca3e19f24fbf0`, retrieved 2026-10-23, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (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/yfw5v100-tb-datasheet.pdf)