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SMD1206-150-6

hongjiacheng · Resettable Fuses · 1206

SMD1206-150-6 from hongjiacheng, 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 device (Ihold 1.50A, Itrip 3.0A, Vmax 6.0V at Imax 40A); the series current passes between the two terminals.
2 2 passive Second terminal of the non-polarized PTC device (Ihold 1.50A, Itrip 3.0A, Vmax 6.0V at Imax 40A); interchangeable with the other terminal.

Key specifications

Parameter Value
Manufacturer hongjiacheng
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 (Ihold), maximum current without tripping Ihold 1.5 A 25℃ still air 3
Trip current (Itrip), minimum current at which device trips Itrip 3 A 25℃ still air 3
Maximum voltage (Vmax) Vmax 6 V Maximum voltage device can withstand without damage at rated current (Imax) 3
Maximum fault current (Imax) Imax 40 A Maximum fault current device can withstand without damage at rated voltage (Vmax) 3
Max. column (unlabelled header, unit A) 8 A 3
Minimum initial resistance (Ri min) Ri 0.025 Ω Initial (un-soldered) state 3
Maximum resistance at 25℃ after trip or reflow (R1 max) R1 0.13 Ω 25℃, measured one hour after tripping or reflow soldering of 260℃ for 20 sec 3
Typical power dissipated in tripped state (Pd typ) Pd 0.8 W Tripped state at 25℃ still air 3
Time-to-trip 0.3 Sec 3
Hold current vs ambient temperature, at -40℃ Ihold 2.18 A Ambient operating temperature -40℃ 4
Hold current vs ambient temperature, at -20℃ Ihold 1.94 A Ambient operating temperature -20℃ 4
Hold current vs ambient temperature, at 0℃ Ihold 1.72 A Ambient operating temperature 0℃ 4
Hold current vs ambient temperature, at 25℃ Ihold 1.5 A Ambient operating temperature 25℃ 4
Hold current vs ambient temperature, at 40℃ Ihold 1.28 A Ambient operating temperature 40℃ 4
Hold current vs ambient temperature, at 50℃ Ihold 1.17 A Ambient operating temperature 50℃ 4
Hold current vs ambient temperature, at 60℃ Ihold 1.06 A Ambient operating temperature 60℃ 4
Hold current vs ambient temperature, at 70℃ Ihold 0.96 A Ambient operating temperature 70℃ 4
Hold current vs ambient temperature, at 85℃ Ihold 0.77 A Ambient operating temperature 85℃ 4
Operating / storage temperature -40 85 ℃ Operating / storage temperature 4
Maximum device surface temperature in tripped state 125 ℃ Tripped state 4

CAD (KiCad official)

  • Symbol: SMD1206-150-6
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: smd1206-150-6-etched.step / smd1206-150-6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smd1206-150-6.step / smd1206-150-6.glb are the bare package body.

Provenance

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

  • Datasheet: hongjiacheng datasheet (6 pp, sha256 ac89288fcdc8403c, retrieved 2026-10-17, 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