# TLC-NSML300

**TLC Electronic** · Resettable Fuses · 1206

TLC-NSML300 from TLC Electronic, in a 1206. 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 | Fuse terminal 1 (non-polarized); device is rated Vmax 6Vdc, Imax 50A, hold current 3.00A and trip current 6.00A at 25°C. |
| 2 | 2 | passive | Fuse terminal 2 (non-polarized); device is rated Vmax 6Vdc, Imax 50A, hold current 3.00A and trip current 6.00A at 25°C. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TLC Electronic |
| Package | 1206 |
| 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 |
|---|---|---|---|---|---|---|---|
| Hold current at 25℃ (still air) | I-hold |  |  | 3 | A | 25℃ still air | 1 |
| Trip current at 25℃ (still air) | I-trip | 6 |  |  | A | 25℃ still air | 1 |
| Hold current at 60℃ (still air) | I-hold |  |  | 2 | A | 60℃ still air | 1 |
| Trip current at 60℃ (still air) | I-trip | 4 |  |  | A | 60℃ still air | 1 |
| Time to trip | Time To Trip |  |  | 5 | s | 25℃,6V | 1 |
| Minimum resistance prior to trip | R min | 0.003 |  |  | Ω | 25℃ | 1 |
| Maximum resistance one hour post reflow | R1max |  |  | 0.02 | Ω | 25℃, measured one hour post reflow | 1 |
| Maximum voltage device can withstand without damage | Vmax |  |  | 6 | Vdc | at rated current | 1 |
| Maximum fault current device can withstand without damage | Imax |  |  | 50 | A | at rated voltage | 1 |
| Rated working power | Pd |  | 1.2 |  | W |  | 1 |
| Maximum ambient operating temperature range |  | -40 |  | 85 | ℃ | Maximum ambient operating temperature (derating table) | 1 |

## CAD (KiCad official)

- Symbol: `TLC-NSML300`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `tlc-nsml300-etched.step` / `tlc-nsml300-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tlc-nsml300.step` / `tlc-nsml300.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TLC Electronic datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590233263324229632) (2 pp, sha256 `9a759c0cef1b1828`, retrieved 2026-10-18, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/tlc-nsml300-datasheet.pdf)