# DSK26H

**Leiditech** · Super Barrier Rectifier (SBR) · SOD-123FL

DSK26H from Leiditech, in a SOD-123FL. 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, identified by the cathode band on the SOD-123FL case; polarity symbols are marked on the case. |
| 2 | A | passive | Anode of the 60V, 2A super barrier rectifier; positive forward current flows from anode to cathode. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Leiditech |
| Package | SOD-123FL |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum repetitive peak reverse voltage | VRRM |  |  | 60 | V |  | 1 |
| Maximum RMS voltage | VRMS |  |  | 42 | V |  | 1 |
| Maximum DC blocking voltage | VDC |  |  | 60 | V |  | 1 |
| Average forward rectified current | IF(AV) |  |  | 2 | A |  | 1 |
| Peak forward surge current | IFSM |  |  | 60 | A | 8.3 ms single half sine-wave superimposed on rated load | 1 |
| Operating junction and storage temperature range | TJ, TSTG | -65 |  | 175 | ℃ |  | 1 |
| Instantaneous forward voltage | VF |  |  | 0.65 | V | IF=1A, TJ=25℃, pulse 300μs, 1% duty | 1 |
| Instantaneous forward voltage | VF |  |  | 0.74 | V | IF=2A, TJ=25℃, pulse 300μs, 1% duty | 1 |
| Reverse current | IR |  |  | 0.1 | μA | VR=VDC, TJ=25℃ | 1 |
| Reverse current | IR |  |  | 0.7 | μA | VR=VDC, TJ=125℃ | 1 |
| Thermal resistance from junction to ambient | RθJA |  |  | 80 | ℃/W | Mounted on PCB, 0.9 x 1.5mm copper pad | 1 |
| Thermal resistance from junction to lead | RθJL |  |  | 25 | ℃/W | Mounted on PCB, 0.9 x 1.5mm copper pad | 1 |

## CAD (KiCad official)

- Symbol: `DSK26H`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `dsk26h-etched.step` / `dsk26h-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dsk26h.step` / `dsk26h.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Leiditech datasheet](docs/dsk26h-datasheet.pdf) (3 pp, sha256 `7cef9d794e720705`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-sonnet-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/dsk26h-datasheet.pdf)