# RF081L2STE25

**ROHM Semicon** · Fast Recovery / High Efficiency Diodes · DO-214AC(SMA)

RF081L2STE25 from ROHM Semicon, in a DO-214AC(SMA). 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 banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | DO-214AC(SMA) |
| Category | Diodes |
| Pins | 2 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Forward voltage | VF |  | 0.85 | 0.98 | V | IF=1.1A | 1 |
| Reverse current | IR |  | 0.01 | 10 | μA | VR=200V | 1 |
| Reverse recovery time | trr |  | 12 | 25 | ns | IF=0.5A, IR=1A, Irr=0.25×IR | 1 |
| Thermal resistance, junction to lead | Rth(j-l) |  |  | 23 | °C/W | junction to lead | 1 |
| Storage temperature | Tstg | -55 |  | 150 | °C |  | 1 |
| Repetitive peak reverse voltage | VRM |  |  | 200 | V |  | 1 |
| Reverse voltage | VR |  |  | 200 | V |  | 1 |
| Junction temperature | Tj |  |  | 150 | °C |  | 1 |
| Average rectified forward current | Io |  |  | 1.1 | A | R-load, 60Hz half sin wave, Tl=120°C, D≥0.5, glass epoxy substrate mounted | 1 |
| Forward current surge peak | IFSM |  |  | 25 | A | 60Hz half sin wave, non-repetitive one cycle peak value, Tj=25°C | 1 |

## CAD (KiCad official)

- Symbol: `RF081L2STE25`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files: `rf081l2ste25-etched.step` / `rf081l2ste25-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rf081l2ste25.step` / `rf081l2ste25.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [ROHM Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590223724114325504) (5 pp, sha256 `f60ad0ad1c01b13b`, retrieved 2026-10-15, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (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/rf081l2ste25-datasheet.pdf)