# TLC-USMD005

**TLC Electronic** · Resettable Fuses · 1210

TLC-USMD005 from TLC Electronic, in a 1210. 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 | One terminal of the non-polarized TLC-USMD005 PPTC resettable fuse (hold current 0.05 A, trip current 0.15 A, max 30 V, max fault current 10 A). |
| 2 | 2 | passive | Other terminal of the non-polarized TLC-USMD005 PPTC resettable fuse (hold current 0.05 A, trip current 0.15 A, max 30 V, max fault current 10 A). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TLC Electronic |
| Package | 1210 |
| 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 IH | IH |  | 0.05 |  | A |  | 1 |
| Trip current IT | IT |  | 0.15 |  | A |  | 1 |
| Max voltage V max | Vmax |  |  | 30 | V |  | 1 |
| Max current I max | Imax |  |  | 10 | A |  | 1 |
| Unlabeled current row '(A)' |  |  | 0.25 |  | A |  | 1 |
| Maximum operating time |  |  |  | 1.5 | Sec. |  | 1 |
| Power dissipation Pd | Pd |  | 0.6 |  | W |  | 1 |
| Resistance range R min | R min | 2.8 |  |  | Ω |  | 1 |
| Resistance range R1 max | R1 max |  |  | 50 | Ω |  | 1 |
| Hold current vs ambient | IH |  | 0.08 |  | A | ambient -40℃ | 2 |
| Hold current vs ambient | IH |  | 0.07 |  | A | ambient -20℃ | 2 |
| Hold current vs ambient | IH |  | 0.06 |  | A | ambient 0℃ | 2 |
| Hold current vs ambient | IH |  | 0.05 |  | A | ambient 25℃ | 2 |
| Hold current vs ambient | IH |  | 0.04 |  | A | ambient 40℃ | 2 |
| Hold current vs ambient | IH |  | 0.03 |  | A | ambient 60℃ | 2 |
| Hold current vs ambient | IH |  | 0.02 |  | A | ambient 85℃ | 2 |

## CAD (KiCad official)

- Symbol: `TLC-USMD005`
- Footprint: `Fuse:Fuse_1210_3225Metric`
- 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files: `tlc-usmd005-etched.step` / `tlc-usmd005-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tlc-usmd005.step` / `tlc-usmd005.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/8588902641631551488) (2 pp, sha256 `1b268842f4ca424b`, retrieved 2026-10-16, 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/tlc-usmd005-datasheet.pdf)