# SD103ADW

**CBI** · Schottky Diodes · SOT-363

SD103ADW from CBI, in a SOT-363. 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 | K1 | passive | Cathode of Schottky diode 1 (paired with pin 6), 40 V VRRM/VR, 350 mA forward continuous current per the SOT-363 internal diagram. |
| 2 | K2 | passive | Cathode of Schottky diode 2 (paired with pin 5), 40 V VRRM/VR, 350 mA forward continuous current per the SOT-363 internal diagram. |
| 3 | K3 | passive | Cathode of Schottky diode 3 (paired with pin 4), 40 V VRRM/VR, 350 mA forward continuous current per the SOT-363 internal diagram. |
| 4 | A3 | passive | Anode of Schottky diode 3 (paired with pin 3), 40 V VRRM/VR, 350 mA forward continuous current per the SOT-363 internal diagram. |
| 5 | A2 | passive | Anode of Schottky diode 2 (paired with pin 2), 40 V VRRM/VR, 350 mA forward continuous current per the SOT-363 internal diagram. |
| 6 | A1 | passive | Anode of Schottky diode 1 (paired with pin 1), 40 V VRRM/VR, 350 mA forward continuous current per the SOT-363 internal diagram. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | CBI |
| Package | SOT-363 |
| Category | Diodes |
| Pins | 6 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Reverse breakdown voltage | V(BR) | 40 |  |  | V | IR=100μA | 1 |
| Forward voltage | VF |  |  | 0.37 | V | IF=20mA | 1 |
| Forward voltage | VF |  |  | 0.5 | V | IF=100mA | 1 |
| Reverse current | IR |  |  | 2 | μA | VR=10V | 1 |
| Reverse current | IR |  |  | 5 | μA | VR=30V | 1 |
| Capacitance between terminals | CT |  |  | 50 | pF | VR=0V,f=1.0MHz | 1 |
| Reverse recovery time | trr |  |  | 10 | ns | IF=IR=200mA, Irr=0.1XIR, RL=100Ω | 1 |
| Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage | VRRM / VRWM / VR |  |  | 40 | V |  | 1 |
| RMS Reverse Voltage | VR(RMS) |  |  | 28 | V |  | 1 |
| Forward Continuous Current | IFM |  |  | 350 | mA |  | 1 |
| Average Rectified Current | IO |  |  | 175 | mA |  | 1 |
| Non-repetitive Peak Forward Surge Current | IFSM |  |  | 2 | A | t=8.3ms | 1 |
| Power Dissipation | Pd |  |  | 200 | mW |  | 1 |
| Junction Temperature | Tj |  |  | 125 | ℃ |  | 1 |
| Storage Temperature | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction to Ambient | RθJA |  |  | 500 | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `SD103ADW`
- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`
- 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files: `sd103adw-etched.step` / `sd103adw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sd103adw.step` / `sd103adw.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [CBI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589808211386523648) (3 pp, sha256 `eb7bcb539d9b29a3`, retrieved 2026-10-19, 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/sd103adw-datasheet.pdf)