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Contents

README

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BSMD1206-035-16V

BHFUSE · Resettable Fuses · 1206

BSMD1206-035-16V from BHFUSE, 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 of two interchangeable, non-polarized terminals of the resettable PTC fuse (Ihold 0.35 A, Itrip 0.75 A, Vmax 16 Vdc, Imax 40 A).
2 2 passive Second interchangeable, non-polarized terminal of the resettable PTC fuse (Rmin 0.250 Ω, R1max 1.500 Ω); recommended pad is 1.00±0.1 mm wide by 1.80±0.1 mm.

Key specifications

Parameter Value
Manufacturer BHFUSE
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 without tripping, 25℃ still air) Ihold 0.35 A 25℃ still air 2
Trip current (minimum current at which device trips) Itrip 0.75 A 25℃ still air 2
Maximum voltage device can withstand without damage Vmax 16 Vdc at rated current (Imax) 2
Maximum fault current device can withstand without damage Imax 40 A at rated voltage (Vmax) 2
Minimum resistance in initial (un-soldered) state Rmin 0.25 Ω initial un-soldered state 2
Maximum resistance at 25℃ one hour after tripping or reflow soldering R1max 1.5 Ω 25℃, measured one hour after tripping or reflow soldering at 260℃ for 20 sec 2
Typical power dissipated in tripped state Pd 0.6 W tripped state, 25℃ still air 2
Time to trip 0.1 Sec 2
Ambient operating temperature hold current (Ihold) at -40℃ Ihold 0.5 A ambient operating temperature -40℃ (BSMD1206-035 family row) 5
Ambient operating temperature hold current (Ihold) at -20℃ Ihold 0.45 A ambient operating temperature -20℃ (BSMD1206-035 family row) 5
Ambient operating temperature hold current (Ihold) at 0℃ Ihold 0.4 A ambient operating temperature 0℃ (BSMD1206-035 family row) 5
Ambient operating temperature hold current (Ihold) at 25℃ Ihold 0.35 A ambient operating temperature 25℃ (BSMD1206-035 family row) 5
Ambient operating temperature hold current (Ihold) at 40℃ Ihold 0.3 A ambient operating temperature 40℃ (BSMD1206-035 family row) 5
Ambient operating temperature hold current (Ihold) at 50℃ Ihold 0.27 A ambient operating temperature 50℃ (BSMD1206-035 family row) 5
Ambient operating temperature hold current (Ihold) at 60℃ Ihold 0.24 A ambient operating temperature 60℃ (BSMD1206-035 family row) 5
Ambient operating temperature hold current (Ihold) at 70℃ Ihold 0.21 A ambient operating temperature 70℃ (BSMD1206-035 family row) 5
Ambient operating temperature hold current (Ihold) at 85℃ Ihold 0.15 A ambient operating temperature 85℃ (BSMD1206-035 family row) 5
Resistance change after passive aging -5 5 % +85°C, 1000 hours; typical 5
Resistance change after humidity aging -5 5 % +85°C, 85% R.H., 168 hours; typical 5
Resistance change after thermal shock -33 33 % +85°C to -40°C, 20 times; typical 5
Ambient operating temperature range -40 85 °C ambient operating conditions 5
Maximum surface temperature in tripped state 125 °C device in the tripped state 5

CAD (KiCad official)

  • Symbol: BSMD1206-035-16V
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: bsmd1206-035-16v-etched.step / bsmd1206-035-16v-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bsmd1206-035-16v.step / bsmd1206-035-16v.glb are the bare package body.

Provenance

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

  • Datasheet: BHFUSE datasheet (10 pp, sha256 6d5827b9497205e2, 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