# UF3J_R1_00001

**PANJIT International** · Fast Recovery / High Efficiency Diodes · DO-214AB(SMC)

UF3J_R1_00001 from PANJIT International, in a DO-214AB(SMC). 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 | Cathode | passive | Cathode terminal, identified by the color band at the cathode end; for UF3J the maximum recurrent peak reverse voltage is 600 V and the average forward current is 3 A. |
| 2 | Anode | passive | Anode terminal of the ultrafast rectifier; the operating junction and storage temperature range is -55 to +150 °C. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | DO-214AB(SMC) |
| 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 Recurrent Peak Reverse Voltage | VRRM |  |  | 600 | V |  | 1 |
| Maximum RMS Voltage | VRMS |  |  | 420 | V |  | 1 |
| Maximum DC Blocking Voltage | VDC |  |  | 600 | V |  | 1 |
| Maximum Average Forward Current | IF(AV) |  |  | 3 | A |  | 1 |
| Peak Forward Surge Current | IFSM |  |  | 100 | A | 8.3ms single half sine-wave superimposed on rated load | 1 |
| Typical Thermal Resistance, junction to lead | RθJL |  | 15 |  | °C/W | Note 3: 8 mm² (0.013 mm thick) land areas | 1 |
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 |  | 150 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `UF3J_R1_00001`
- Footprint: `Diode_SMD:D_SMC`
- 3D model: DO-214AB(SMC) (KiCad packages3D, STEP)
- 3D model files: `uf3j-r1-00001-etched.step` / `uf3j-r1-00001-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `uf3j-r1-00001.step` / `uf3j-r1-00001.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [PANJIT International datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588902895328899072) (5 pp, sha256 `19cb1eabf6891650`, retrieved 2026-10-15, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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/uf3j-r1-00001-datasheet.pdf)