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SRF1206P075

prosemi · Resettable Fuses · 1206

SRF1206P075 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 One terminal of the non-polarized PTC resettable fuse (1206 pad, 1.0 mm x 1.8 mm recommended), rated hold current 0.75 A, trip current 1.50 A, Vmax 6 V, Imax 100 A.
2 2 passive Other terminal of the non-polarized PTC resettable fuse (1206 pad, 1.0 mm x 1.8 mm recommended, 1.8 mm gap between pads), interchangeable with the first terminal.

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
Hold current (maximum current that will not trip) IH 0.75 A 25℃ still air 1
Trip current (minimum current that always trips) IT 1.5 A 25℃ still air 1
Maximum continuous voltage Vmax 6 V at rated current 1
Maximum fault current Imax 100 A at rated voltage 1
Maximum time to trip Ttrip 8 Sec. 1
Minimum resistance in initial (un-soldered) state Rmin 0.09 Ω initial un-soldered state 1
Maximum resistance at 25℃ one hour after reflow R1max 0.5 Ω 25℃, measured one hour after reflow 1
Hold current at ambient -40℃ (derating chart) IH 1.14 A ambient -40℃, thermal derating chart 1
Hold current at ambient -20℃ (derating chart) IH 1.01 A ambient -20℃, thermal derating chart 1
Hold current at ambient 0℃ (derating chart) IH 0.88 A ambient 0℃, thermal derating chart 1
Hold current at ambient 25℃ (derating chart) IH 0.75 A ambient 25℃, thermal derating chart 1
Hold current at ambient 40℃ (derating chart) IH 0.65 A ambient 40℃, thermal derating chart 1
Hold current at ambient 50℃ (derating chart) IH 0.59 A ambient 50℃, thermal derating chart 1
Hold current at ambient 60℃ (derating chart) IH 0.54 A ambient 60℃, thermal derating chart 1
Hold current at ambient 70℃ (derating chart) IH 0.49 A ambient 70℃, thermal derating chart 1
Hold current at ambient 85℃ (derating chart) IH 0.41 A ambient 85℃, thermal derating chart 1

CAD (KiCad official)

  • Symbol: SRF1206P075
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: srf1206p075-etched.step / srf1206p075-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); srf1206p075.step / srf1206p075.glb are the bare package body.

Provenance

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

  • Datasheet: prosemi datasheet (3 pp, sha256 32b47e7a0269df93, 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