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SMD1206-050-6

hongjiacheng · Resettable Fuses · 1206

SMD1206-050-6 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 Non-polarized PTC resettable fuse terminal (Ihold 0.50 A, Itrip 1.0 A, Vmax 6.0 V, Imax 40 A); pad 1.2±0.1 x 1.9±0.1 mm, interchangeable with the other terminal.
2 2 passive Non-polarized PTC resettable fuse terminal (Ihold 0.50 A, Itrip 1.0 A, Vmax 6.0 V, Imax 40 A); pad 1.2±0.1 x 1.9±0.1 mm, 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) Ihold 0.5 0.5 A 25°C still air; maximum current device passes without tripping 2
Trip current (Itrip) Itrip 1 A 25°C still air; minimum current at which device trips 2
Maximum voltage (Vmax) Vmax 6 V maximum voltage device withstands without damage at rated current (Imax) 2
Maximum fault current (Imax) Imax 40 A maximum fault current withstood without damage at rated voltage (Vmax) 2
Minimum initial resistance (Ri min) Ri 0.15 Ω minimum resistance in initial (un-soldered) state 2
Maximum resistance after trip (R1 max) R1 0.7 Ω 25°C, measured one hour after tripping or reflow soldering at 260°C for 20 sec 2
Maximum time-to-trip 0.1 s at 8.0 A test current (Max. Time-to-trip column) 2
Typical power dissipated in tripped state (Pd typ) Pd 0.6 W tripped state, 25°C still air 2
Operating / storage temperature -40 85 °C operating / storage temperature range 4
Maximum device surface temperature in tripped state 125 °C tripped state 4
Reflow peak temperature (TP) TP 260 °C reflow peak temperature printed as +260(+0/-5)°C; do not exceed +260°C 1

CAD (KiCad official)

  • Symbol: SMD1206-050-6
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: smd1206-050-6-etched.step / smd1206-050-6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smd1206-050-6.step / smd1206-050-6.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 2026-10-19, 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