component

1206TD-40AS

Public Made by Adom

by adom

prosemi Disposable Fuses, 1206. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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1206td-40as-etched.step 1206td-40as: factory component page (tier=lcsc) · Ray 3d ago
1206td-40as-hero.glb 1206td-40as: hero GLB from the etched model (keeps the MPN mark) · Ray 3d ago
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1206TD-40AS

prosemi · Disposable Fuses · 1206

1206TD-40AS 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 Terminal 1 of an unpolarised fuse; either orientation.
2 2 passive Terminal 2 of an unpolarised fuse; either orientation.

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
Opening time at 1.0In (no opening) 4 hour Ampere rating 6A~40A, 1.0In 1
Opening time at 3.5In 5 sec Ampere rating 6A~40A, 3.5In 1
Opening time at 10.0In 0.2 20 ms Ampere rating 6A~40A, 10.0In 1
Operating temperature -55 150 °C With proper correction factor applied 2
Rated current 40 A 1
DC cold resistance 0.00085 Ohms Measured at <10% of rated current, ambient 25℃ 1
Typical melting I2t I2t 240 A2Sec Measured at 10In current 1
Typical voltage drop 0.095 V 1

CAD (KiCad official)

  • Symbol: 1206TD-40AS
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: 1206td-40as-etched.step / 1206td-40as-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1206td-40as.step / 1206td-40as.glb are the bare package body.

Provenance

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

  • Datasheet: prosemi datasheet (3 pp, sha256 67b0c0e704a0a3d2, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (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