# DAP202UT106

**ROHM Semicon** · Switching Diodes · SOT-323

DAP202UT106 from ROHM Semicon, in a SOT-323. 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 | K1 | passive | Cathode of the first diode element; the datasheet gives VRM/VR of 80 V and IFM of 300 mA per element. |
| 2 | K2 | passive | Cathode of the second diode element; the datasheet gives VRM/VR of 80 V and IFM of 300 mA per element. |
| 3 | A | passive | Common anode of the two diode elements; total power dissipation for both elements is 200 mW. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOT-323 |
| Category | Diodes |
| Pins | 3 |

## 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 |  |  | 1.2 | V | IF=100mA | 1 |
| Reverse current | IR |  |  | 0.1 | μA | VR=70V | 1 |
| Capacitance between terminals | Ct |  |  | 3.5 | pF | VR=6.0V f=1.0MHz | 1 |
| Reverse recovery time | trr |  |  | 4 | ns | VR=6.0V IF=5.0mA RL=50Ω | 1 |
| Reverse voltage | VR |  |  | 80 | V |  | 1 |
| Repetitive peak reverse voltage | VRM |  |  | 80 | V |  | 1 |
| Average rectified forward current | Io |  |  | 100 | mA |  | 1 |
| Forward current | IFM |  |  | 300 | mA |  | 1 |
| Peak forward surge current | IFSM |  |  | 4000 | mA | t=1μs | 1 |
| Power dissipation | PD |  |  | 200 | mW | *2 elements total | 1 |
| Junction temperature | Tj |  |  | 150 | ℃ |  | 1 |
| Storage temperature | Tstg | -55 |  | 150 | ℃ |  | 1 |

## CAD (KiCad official)

- Symbol: `DAP202UT106`
- Footprint: `Package_TO_SOT_SMD:SOT-323_SC-70`
- 3D model: SOT-323 (KiCad packages3D, STEP)
- 3D model files: `dap202ut106-etched.step` / `dap202ut106-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dap202ut106.step` / `dap202ut106.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/8588913060346277888) (7 pp, sha256 `ccb2e6eb06f5c457`, retrieved 2026-10-19, 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/dap202ut106-datasheet.pdf)