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1206TD-1A

prosemi · Disposable Fuses · 1206

1206TD-1A from prosemi, 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 end cap, 1.00 A rated, 0.48 V rating column value as printed, typical cold resistance 0.11 ohm); pad layout 1.52 mm x 2.03 mm with 1.52 mm gap.
2 2 passive Fuse terminal 2 (non-polarized end cap, 1.00 A rated, typical voltage drop 0.510 V); interchangeable with terminal 1 on a 3.2 x 1.6 mm chip body.

Key specifications

Parameter Value
Manufacturer prosemi
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
Ampere Rating 1 A 1
Opening time at 100% of amp rating (0.63~50A) 4 Hours 0.63~50A, 100% of amp rating 1
Opening time at 200% of amp rating (0.63~3A) 1 60 sec 0.63~3A, 200% of amp rating 1
Opening time at 250% of amp rating (0.63~5A) 5 Seconds 0.63~5A, 250% of amp rating 1
Opening time at 300% of amp rating (0.63~5A) 0.1 3 sec 0.63~5A, 300% of amp rating 1
Opening time at 1000% of amp rating (0.63~50A) 0.2 20 ms 0.63~50A, 1000% of amp rating 1
Typical Voltage Drop 0.51 V 1
Operating temperature -55 150 ℃ with proper correction factor applied 3

CAD (KiCad official)

  • Symbol: 1206TD-1A
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: 1206td-1a-etched.step / 1206td-1a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1206td-1a.step / 1206td-1a.glb are the bare package body.

Provenance

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

  • Datasheet: prosemi datasheet (5 pp, sha256 b495e42293ae0ece, retrieved 2026-10-30, 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