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Contents

README

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BSMD1210L-260

BHFUSE · Resettable Fuses · 1210

BSMD1210L-260 from BHFUSE, in a 1210. 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 Terminal 1 of the non-polarized resettable PTC fuse (Ihold 2.60 A, Itrip 5.20 A, Vmax 6.0 Vdc, Imax 50 A); pad 1.00±0.1 mm x 2.70±0.1 mm.
2 2 passive Terminal 2 of the non-polarized resettable PTC fuse (Ihold 2.60 A, Itrip 5.20 A, Vmax 6.0 Vdc, Imax 50 A); pad 1.00±0.1 mm x 2.70±0.1 mm, 2.00±0.1 mm gap from terminal 1.

Key specifications

Parameter Value
Manufacturer BHFUSE
Package 1210
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 2.6 A 25℃ still air 1
Trip current (Itrip) Itrip 5.2 A 25℃ still air 1
Maximum voltage (Vmax) Vmax 6 Vdc At rated current (Imax) 1
Maximum fault current (Imax) Imax 50 A At rated voltage (Vmax) 1
Typical power dissipated in tripped state (Pd) Pd 1.2 W 25℃ still air, tripped state 1
Time to trip 13 Sec 25℃ 1
Minimum resistance in initial state (Rmin) Rmin 0.004 Ω Initial (un-soldered) state 1
Maximum resistance after trip or reflow (R1max) R1max 0.015 Ω 25℃, measured one hour after tripping or reflow soldering at 260℃ for 20 sec 1
Ambient operating temperature -40 85 ℃ Ambient operating conditions 3
Maximum surface temperature in tripped state 125 ℃ Device in tripped state 3

CAD (KiCad official)

  • Symbol: BSMD1210L-260
  • Footprint: Fuse:Fuse_1210_3225Metric
  • 3D model: 1210 (KiCad packages3D, STEP)
  • 3D model files: bsmd1210l-260-etched.step / bsmd1210l-260-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bsmd1210l-260.step / bsmd1210l-260.glb are the bare package body.

Provenance

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

  • Datasheet: BHFUSE datasheet (7 pp, sha256 16be034a18f85d4c, 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