# DSF1G E1G

**JUXING** · Fast Recovery / High Efficiency Diodes · SOD-123FL

DSF1G E1G from JUXING, 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 | Cathode | passive | Cathode terminal of the DSF1G superfast rectifier, as defined in the datasheet PINNING table and symbol for the SOD-123FL package. |
| 2 | Anode | passive | Anode terminal of the DSF1G superfast rectifier, as defined in the datasheet PINNING table and symbol for the SOD-123FL package. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | JUXING |
| 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 (DSF1G column) | VRRM |  |  | 400 | V |  | 1 |
| Maximum RMS Voltage (DSF1G column) | VRMS |  |  | 280 | V |  | 1 |
| Maximum Average Forward Rectified Current | IF(AV) |  |  | 1 | A | at Tc = 125 °C | 1 |
| Peak Forward Surge Current | IFSM |  |  | 30 | A | 8.3 ms single half sine wave superimposed on rated load | 1 |
| Operating and Storage Temperature Range | Tj, Tstg | -55 |  | 150 | °C |  | 1 |
| Maximum Forward Voltage | VF |  |  | 1 | V | at 1 A | 1 |
| Maximum DC Reverse Current | IR |  |  | 5 | μA | Ta = 25 °C, at rated DC blocking voltage | 1 |
| Maximum DC Reverse Current | IR |  |  | 100 | μA | Ta = 125 °C, at rated DC blocking voltage | 1 |
| Maximum Reverse Recovery Time | trr |  |  | 15 | ns | IF = 0.5 A, IR = 1 A, Irr = 0.25 A | 1 |
| Typical Junction Capacitance | Cj |  | 35 |  | pF | at VR = 4 V, f = 1 MHz | 1 |
| Typical Thermal Resistance | RθJA |  | 85 |  | °C/W | P.C.B. mounted with 2.0" x 2.0" (5 x 5 cm) copper pad areas | 1 |

## CAD (KiCad official)

- Symbol: `DSF1G E1G`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `dsf1g-e1g-etched.step` / `dsf1g-e1g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dsf1g-e1g.step` / `dsf1g-e1g.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [JUXING datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603114300416811008) (3 pp, sha256 `1b23493f23c85b66`, 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/dsf1g-e1g-datasheet.pdf)