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Contents

README

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F12F1

TLC Electronic · Disposable Fuses · 1206

F12F1 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, interchangeable with terminal 2); rated 1A, 72V DC, 50A breaking capacity at 72Vdc.
2 2 passive Fuse terminal 2 (non-polarized, interchangeable with terminal 1); rated 1A, 72V DC, typical cold resistance 490 mOhms.

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
Rated current 1.0In: time to open, minimum 4 hour Rated current 1.0In (1A rated) 2
Rated current 2.5In: time to open, maximum 5 sec Rated current 2.5In (1A rated) 2
DC Interrupting Rating (Breaking Capacity) 50 A 72Vdc at rated voltage, time constant less than 50 microseconds, battery source 2
Rated voltage (DC) 72 V 2
Rated current 1 A 2
Typical cold resistance 490 mOhms Measured at less than 10% of rated current, ambient 25℃ 2
Typical voltage drop 510 mV 2
Typical pre-arcing I2t 0.1 A2Sec Measured at 10In current 2
Operating temperature -55 125 ℃ With proper correction factor applied (temperature derating) 5
Infrared reflow temperature 260 ℃ Infrared reflow soldering 4
Infrared reflow time 30 sec Infrared reflow soldering at 260℃ 4
Wave solder reservoir temperature 260 ℃ Wave solder 4
Wave solder time in reservoir 10 sec Wave solder, reservoir at 260℃ 4

CAD (KiCad official)

  • Symbol: F12F1
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: f12f1-etched.step / f12f1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); f12f1.step / f12f1.glb are the bare package body.

Provenance

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

  • Datasheet: TLC Electronic datasheet (5 pp, sha256 0f291b1b929ad6cd, 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