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Contents

README

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TLC-USMD175

TLC Electronic · Resettable Fuses · 1210

TLC-USMD175 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 resettable PPTC fuse in series with the protected line, rated 1.75 A hold current, 4.00 A trip current, 6 V max and 40 A max interrupt current.
2 2 passive Second terminal of the non-polarized resettable PPTC fuse in series with the protected line, rated 1.75 A hold current, 4.00 A trip current, 6 V max and 40 A max interrupt current.

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
Maximum voltage (V max) V max 6 V 1
Maximum current (I max) I max 40 A 1
Minimum resistance (R min) R min 0.02 Ω 1
Maximum resistance (R1 max) R1 max 0.09 Ω 1
Maximum operating time (Sec.) 1 Sec. 1
Power dissipation (Pd typ) Pd typ 0.7 W 1
Hold current (IH) IH 1.75 A 1
Trip current (IT) IT 4 A 1
Unlabeled row '(A)' (header symbol not printed) 8 A 1
Electrical characteristics row 1 (row label not printed), T20 column 3 3.43 1
Electrical characteristics row 2 (row label not printed), T20 column 2.35 2.8 1
Electrical characteristics row 3 (row label not printed), T20 column 0.8 1.2 1
Electrical characteristics row 4 (row label not printed), T20 column 0.3 1

CAD (KiCad official)

  • Symbol: TLC-USMD175
  • Footprint: Fuse:Fuse_1210_3225Metric
  • 3D model: 1210 (KiCad packages3D, STEP)
  • 3D model files: tlc-usmd175-etched.step / tlc-usmd175-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tlc-usmd175.step / tlc-usmd175.glb are the bare package body.

Provenance

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

  • Datasheet: TLC Electronic datasheet (2 pp, sha256 1b268842f4ca424b, retrieved 2026-10-14, 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