# PSBD1DF20V3H

**Shanghai Prisemi Elec** · Switching Diodes · SOD-123F

PSBD1DF20V3H from Shanghai Prisemi Elec, in a SOD-123F. 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 | Shanghai Prisemi Elec |
| Package | SOD-123F |
| 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 |  |  | 20 | V |  | 1 |
| Maximum RMS voltage | VRMS |  |  | 14 | V |  | 1 |
| Maximum DC Blocking Voltage | VDC |  |  | 20 | V |  | 1 |
| Maximum Average Forward Rectified Current | IF(AV) |  |  | 3 | A | at Ta = 65 ℃ | 1 |
| Operating and Storage Temperature Range | Tj，Tstg | -55 |  | 150 | ℃ |  | 1 |
| Typical Thermal Resistance | RθJA |  | 115 |  | ℃/W | Thermal resistance from junction to ambient at 0.375" (9.5 mm) lead length, P.C.B. mounted | 1 |

## CAD (KiCad official)

- Symbol: `PSBD1DF20V3H`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123F (KiCad packages3D, STEP)
- 3D model files: `psbd1df20v3h-etched.step` / `psbd1df20v3h-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `psbd1df20v3h.step` / `psbd1df20v3h.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Shanghai Prisemi Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893499970498560) (5 pp, sha256 `d8ec34c159208b2e`, retrieved 2026-10-16, 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/psbd1df20v3h-datasheet.pdf)