# SM4F13A-TP

**MCC(Micro Commercial Components)** · ESD And Surge Protection (TVS/ESD) · SOD-123FL

SM4F13A-TP from MCC(Micro Commercial Components), 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 of the unidirectional TVS (marked with the cathode band), working peak reverse voltage 13V, breakdown 14.4V to 15.9V at 1mA, max clamping 21.5V at 18.6A IPP. |
| 2 | Anode | passive | Anode of the unidirectional TVS, connected to the protected return/ground side; 400W peak pulse power (10/1000µs) with maximum reverse leakage of 1µA at VRWM. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MCC(Micro Commercial Components) |
| Package | SOD-123FL |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage | VBR | 14.4 |  | 15.9 | V | IT=1mA | 2 |
| Working Peak Reverse Voltage | VRWM |  | 13 |  | V |  | 2 |
| Maximum Clamping Voltage | VC |  |  | 21.5 | V | @IPP=18.6A | 2 |
| Maximum Reverse Surge Current | IPP |  |  | 18.6 | A |  | 2 |
| Maximum Reverse Leakage | IR |  |  | 1 | µA | @VRWM | 2 |
| Test Current | IT |  | 1 |  | mA |  | 2 |
| Peak Pulse Power Dissipation | PPP |  |  | 400 | W | 10/1000μs waveform | 1 |
| Power Dissipation On Infinite Heatsink | PD |  |  | 1 | W | TL=75°C | 1 |
| Peak Forward Surge Current | IFSM |  |  | 40 | A | 8.3 ms single half sine-wave, unidirectional only | 1 |
| Maximum Instantaneous Forward Voltage | VF |  |  | 3.5 | V | at 25A, unidirectional only | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | °C |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `SM4F13A-TP`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `sm4f13a-tp-etched.step` / `sm4f13a-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sm4f13a-tp.step` / `sm4f13a-tp.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MCC(Micro Commercial Components) datasheet](docs/sm4f13a-tp-datasheet.pdf) (4 pp, sha256 `b544df75d6a2f2ae`, 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/sm4f13a-tp-datasheet.pdf)