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Contents

README

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TLC-USMD050

TLC Electronic · Resettable Fuses · 1210

TLC-USMD050 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 Non-polarized terminal of the resettable PTC fuse (IH 0.50 A, IT 1.00 A, Vmax 16 V, Imax 40 A); interchangeable with the other terminal.
2 2 passive Non-polarized terminal of the resettable PTC fuse (IH 0.50 A, IT 1.00 A, Vmax 16 V, Imax 40 A); interchangeable with the other terminal.

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
Tripping current (minimum current at which device trips, 25℃ still air) IT 1 A 25℃ still air 1
Minimum resistance of device prior to trip R min 0.18 Ω 25℃ 1
Maximum voltage device can withstand without damage Vmax 16 V at rated current 1
Maximum fault current device can withstand without damage Imax 40 A at rated voltage 1
Holding current (maximum current at which device will not trip) IH 0.5 A 25℃ still air 1
Maximum time to trip Ttrip 0.1 s at 8.00 A 1
Maximum resistance one hour post reflow R1max 0.9 Ω 25℃, one hour post reflow 1
Rated working power Pd 0.6 W Rated working power 1

CAD (KiCad official)

  • Symbol: TLC-USMD050
  • Footprint: Fuse:Fuse_1210_3225Metric
  • 3D model: 1210 (KiCad packages3D, STEP)
  • 3D model files: tlc-usmd050-etched.step / tlc-usmd050-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tlc-usmd050.step / tlc-usmd050.glb are the bare package body.

Provenance

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

  • Datasheet: TLC Electronic datasheet (1 pp, sha256 e7980972ba35caef, retrieved 2026-10-19, 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