# SS1040-AU_R1_000A1

**PANJIT International** · Schottky Diodes · SOD-123

SS1040-AU_R1_000A1 from PANJIT International, in a SOD-123. 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 of the Schottky diode (banded end); 40 V maximum repetitive peak reverse voltage and 1 A maximum average forward current. |
| 2 | A | passive | Anode of the Schottky diode; forward voltage 0.55 V maximum at IF = 1 A, TJ = 25 oC. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | SOD-123 |
| 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 |
|---|---|---|---|---|---|---|---|
| Forward Voltage | VF |  |  | 0.55 | V | IF = 1 A, TJ = 25 oC | 2 |
| Reverse Current | IR |  |  | 60 | uA | VR = 40 V, TJ = 25 oC | 2 |
| Maximum Repetitive Peak Reverse Voltage | VRRM |  |  | 40 | V |  | 1 |
| Maximum RMS Voltage | VRMS |  |  | 28 | V |  | 1 |
| Maximum DC Blocking Voltage | VDC |  |  | 40 | V |  | 1 |
| Maximum Average Forward Current | IF(AV) |  |  | 1 | A |  | 1 |
| Peak Forward Surge Current | IFSM |  |  | 30 | A | 8.3 ms single half sine-wave superimposed on rated load per diode | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 125 | oC |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 125 | oC |  | 1 |
| Typical Thermal Resistance, junction to ambient | RθJA |  | 380 |  | oC/W | (1) Mounted on a FR4 PCB, single-sided copper, mini pad | 1 |
| Typical Thermal Resistance, junction to case | RθJC |  | 100 |  | oC/W | (2) Mounted on a FR4 PCB, single-sided copper, with 100 cm2 copper pad area | 1 |
| Typical Thermal Resistance, junction to lead | RθJL |  | 200 |  | oC/W | (2) Mounted on a FR4 PCB, single-sided copper, with 100 cm2 copper pad area | 1 |

## CAD (KiCad official)

- Symbol: `SS1040-AU_R1_000A1`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `ss1040-au-r1-000a1-etched.step` / `ss1040-au-r1-000a1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ss1040-au-r1-000a1.step` / `ss1040-au-r1-000a1.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/8600774790160662528) (5 pp, sha256 `e5697131bd63eb7d`, retrieved 2026-10-17, 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/ss1040-au-r1-000a1-datasheet.pdf)