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Contents

README

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F12F0.5

TLC Electronic · Disposable Fuses · 1206

F12F0.5 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 One end-cap terminal of the 500mA, 72V DC rated fast-acting fuse (0.50mm end termination on a 3.20x1.60mm body); the fuse is non-polarized.
2 2 passive Other end-cap terminal of the 500mA, 72V DC rated fast-acting fuse (0.50mm end termination on a 3.20x1.60mm body); the fuse is non-polarized.

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
Non-opening time at 1.0In (4 hour min) 4 hour 1.0In 2
Opening time at 3.5In (5 sec max) 5 sec 3.5In 2
Operating temperature -55 125 °C With proper correction factor applied 5
Rated voltage (DC) 72 V DC 2
Rated current 500 mA 2
DC Breaking capacity 50 A @72Vdc, measured at rated voltage, time constant of less than 50 microseconds, battery source 2
Typical cold resistance 1028 mOhms Measured at <10% of rated current, ambient 25°C 2
Typical voltage drop 650 mV 2
Typical pre-arcing I2t I2t 0.0022 A2Sec Measured at 10In current 2

CAD (KiCad official)

  • Symbol: F12F0.5
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: f12f0-5-etched.step / f12f0-5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); f12f0-5.step / f12f0-5.glb are the bare package body.

Provenance

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

  • Datasheet: TLC Electronic datasheet (5 pp, sha256 e9308d89807ab8d0, retrieved 2026-10-18, 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