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SMD1206-020-24

Public Made by Adom

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hongjiacheng Resettable Fuses, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SMD1206-020-24

hongjiacheng · Resettable Fuses · 1206

SMD1206-020-24 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 Non-polarized PTC terminal (one of two end terminations, interchangeable); device holds 0.20 A and trips at 0.46 A at 25°C, rated 24 V max with 40 A max fault current.
2 2 passive Non-polarized PTC terminal (the other of two end terminations, interchangeable); device holds 0.20 A and trips at 0.46 A at 25°C, rated 24 V max with 40 A max fault current.

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
Trip current (Itrip) Itrip 0.46 A Minimum current at which device trips, 25℃ still air 2
Maximum voltage (Vmax) Vmax 24 V Max voltage device can withstand without damage at rated current (Imax) 2
Maximum fault current (Imax) Imax 40 A Max fault current device can withstand without damage at rated voltage (Vmax) 2
Max time-to-trip 8 s 2
Minimum initial resistance (Ri min) Ri 0.35 Ω Minimum resistance in initial (un-soldered) state 2
Max resistance after trip/reflow (R1 max) R1 2.7 Ω Max resistance at 25℃ measured one hour after tripping or reflow soldering of 260℃ for 20 sec 2
Operating / storage temperature -40 85 ℃ Operating / storage temperature 4
Maximum device surface temperature in tripped state 125 ℃ Maximum device surface temperature in tripped state 4
Peak reflow temperature (TP) 260 ℃ Peak Temp (TP) +260(+0/-5)℃; do not exceed +260℃ 1
Hold current (Ihold) Ihold 0.2 A Max current device will pass without tripping, 25℃ still air 2
Typical power dissipated in tripped state (Pd) Pd 0.6 W Typical power dissipated from device in tripped state, 25℃ still air 2
Hold current derating Ihold 0.3 A Ambient operating temperature -40℃ 4
Hold current derating Ihold 0.26 A Ambient operating temperature -20℃ 4
Hold current derating Ihold 0.23 A Ambient operating temperature 0℃ 4
Hold current derating Ihold 0.2 A Ambient operating temperature 25℃ 4
Hold current derating Ihold 0.17 A Ambient operating temperature 40℃ 4
Hold current derating Ihold 0.15 A Ambient operating temperature 50℃ 4
Hold current derating Ihold 0.14 A Ambient operating temperature 60℃ 4
Hold current derating Ihold 0.12 A Ambient operating temperature 70℃ 4
Hold current derating Ihold 0.11 A Ambient operating temperature 85℃ 4

CAD (KiCad official)

  • Symbol: SMD1206-020-24
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: smd1206-020-24-etched.step / smd1206-020-24-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smd1206-020-24.step / smd1206-020-24.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 2026-10-18, 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