# SD15C-01FTG

**Littelfuse** · ESD And Surge Protection (TVS/ESD) · SOD-323

SD15C-01FTG from Littelfuse, in a SOD-323. 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 | 1 | passive | Bidirectional TVS terminal (SD15C: 15.0V reverse standoff, 16.7V reverse voltage drop at 1mA, ±30kV IEC 61000-4-2 ESD), interchangeable with pin 2. |
| 2 | 2 | passive | Bidirectional TVS terminal (SD15C: 15.0V reverse standoff, 12A peak pulse current at 8/20µs, 75pF capacitance), interchangeable with pin 1. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | SOD-323 |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Voltage Drop (breakdown) | VR | 16.7 |  |  | V | IR=1mA | 3 |
| Leakage Current | ILEAK |  |  | 1 | μA | VR=15V | 3 |
| Clamp Voltage | VC |  |  | 24 | V | IPP=1A, tp=8/20µs, Fwd | 3 |
| Clamp Voltage | VC |  |  | 31 | V | IPP=10A, tp=8/20µs, Fwd | 3 |
| Peak Pulse Current | Ipp |  |  | 12 | A | tp=8/20µs | 3 |
| Diode Capacitance | CI/O-GND |  |  | 75 | pF | Reverse Bias=0V, f=1MHz | 3 |
| Peak Pulse Power | Ppk |  |  | 450 | W | tp=8/20μs | 2 |
| Operating Temperature | TOP | -40 |  | 125 | °C |  | 2 |
| Storage Temperature | TSTOR | -55 |  | 150 | °C |  | 2 |
| Maximum Junction Temperature |  |  |  | 150 | °C |  | 2 |
| Maximum Lead Temperature |  |  |  | 260 | °C | Soldering 20-40s | 2 |
| Reverse Standoff Voltage | VRWM |  | 15 |  | V | IR≤1μA | 3 |
| Dynamic Resistance | RDYN |  | 0.46 |  | Ω | TLP, tp=100ns, I/O to Ground | 3 |
| ESD Withstand Voltage (Contact) | VESD | -30 |  | 30 | kV | IEC61000-4-2 (Contact Discharge) | 3 |
| ESD Withstand Voltage (Air) | VESD | -30 |  | 30 | kV | IEC61000-4-2 (Air Discharge) | 3 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | Copper Alloy | tin | Lead Plating Matte Tin Lead Material Copper Alloy | 6 |

## CAD (KiCad official)

- Symbol: `SD15C-01FTG`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `sd15c-01ftg-etched.step` / `sd15c-01ftg-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sd15c-01ftg.step` / `sd15c-01ftg.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Littelfuse datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588901701708861440) (7 pp, sha256 `855fdc4956a95d51`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/sd15c-01ftg-datasheet.pdf)