# SLD36-018

**Littelfuse** · TVS · P600

SLD36-018 from Littelfuse, in a P600. 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 | A1 | passive | Bidirectional TVS terminal (interchangeable with the other lead) with 36 V reverse standoff, 40.0-44.2 V breakdown at 10 mA, and 58.1 V maximum clamping at 87.8 A peak pulse current. |
| 2 | A2 | passive | Bidirectional TVS terminal (interchangeable with the other lead) with 36 V reverse standoff, 40.0-44.2 V breakdown at 10 mA, and 58.1 V maximum clamping at 87.8 A peak pulse current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | P600 |
| Category | TVS/Fuse/Board Level 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) @ IT | VBR | 40 |  | 44.2 | V | IT = 5.0 mA | 2 |
| Maximum Reverse Leakage Current | IR |  |  | 10 | µA | @ VR = 36 V | 2 |
| Maximum Peak Pulse Current | Ipp |  |  | 87.8 | A | 10/1000µs waveform | 2 |
| Maximum Clamping Voltage | VC |  |  | 58.1 | V | @ IPP | 2 |
| Reverse Stand off Voltage | VR |  | 36 |  | V |  | 2 |
| Temperature Coefficient of VBR | αT |  | 0.1 |  | % | VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25)) | 1 |
| Peak Pulse Power Dissipation 10ms x 150ms Test Waveform | PPPM |  |  | 2200 | W | 10ms x 150ms test waveform | 1 |
| Peak Pulse Power Dissipation 10μs x 1000μs Test Waveform | PPPM |  |  | 5000 | W | 10μs x 1000μs test waveform | 1 |
| Steady State Power Dissipation on Infinite Heat Sink | PD |  |  | 8 | W | at TL = 75ºC (Fig. 6) | 1 |
| Peak Forward Surge Current | IFSM |  |  | 600 | A | 8.3ms single half sine wave (Note 3) | 1 |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -55 |  | 175 | °C |  | 1 |
| Typical Thermal Resistance Junction to Lead | RθJL |  | 8 |  | °C/W |  | 1 |
| Typical Thermal Resistance Junction to Ambient | RθJA |  | 40 |  | °C/W |  | 1 |

## 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 |  | tin | • Matte tin lead-free plated • Halogen free and RoHS | 1 |

## CAD (KiCad official)

- Symbol: `SLD36-018`
- Footprint: `Diode_THT:D_P600_R-6_P20.00mm_Horizontal`
- 3D model: P600 (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [Littelfuse datasheet](docs/sld36-018-datasheet.pdf) (5 pp, sha256 `8c87363c8cbbc79d`, retrieved 2026-11-07, 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/sld36-018-datasheet.pdf)