# UF306G_AY_10001

**PANJIT International** · Fast Recovery / High Efficiency Diodes · DO-201AD

UF306G_AY_10001 from PANJIT International, in a DO-201AD. 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; the color band on the molded body denotes this cathode end, per the polarity marking in the mechanical data. |
| 2 | Anode | passive | Anode terminal of the glass passivated ultrafast rectifier, opposite the color-banded cathode end. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | DO-201AD |
| 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 | V RRM |  |  | 600 | V |  | 1 |
| Maximum RMS Voltage | V RMS |  |  | 420 | V |  | 1 |
| Maximum DC Blocking Voltage | V DC |  |  | 600 | V |  | 1 |
| Maximum Average Forward Current | I F(AV) |  |  | 3 | A | TA=55 °C, 0.375" (9.5mm) lead length | 1 |
| Peak Forward Surge Current | I FSM |  |  | 150 | A | 8.3ms single half sine-wave superimposed on rated load | 1 |
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 |  | 150 | °C |  | 1 |
| Typical Thermal Resistance (junction to ambient, Note 2) | RθJA |  | 50 |  | °C/W | Note 2: junction to ambient and junction to lead length 0.375" (9.5mm), P.C.B. mounted | 1 |

## CAD (KiCad official)

- Symbol: `UF306G_AY_10001`
- Footprint: `Diode_THT:D_DO-201AD_P15.24mm_Horizontal`
- 3D model: DO-201AD (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [PANJIT International datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590922120249483264) (4 pp, sha256 `aef47a5f308a5557`, retrieved 2026-10-14, 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/uf306g-ay-10001-datasheet.pdf)