component
BSMD1812-260-8V
Public Made by Adomby adom
BHFUSE Resettable Fuses, 1812. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownBSMD1812-260-8V
BHFUSE · Resettable Fuses · 1812
BSMD1812-260-8V from BHFUSE, in a 1812. 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 resettable PTC fuse, rated Vmax 8 Vdc, Imax 100 A, Ihold 2.60 A and Itrip 5.20 A at 25°C. |
| 2 | 2 | passive | Other terminal of the non-polarized resettable PTC fuse, rated Vmax 8 Vdc, Imax 100 A, Ihold 2.60 A and Itrip 5.20 A at 25°C. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BHFUSE |
| Package | 1812 |
| 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), 25℃ still air | Ihold | 2.6 | A | 25℃ still air; BSMD1812-260-8V | 2 | ||
| Trip current (Itrip), 25℃ still air | Itrip | 5.2 | A | 25℃ still air; BSMD1812-260-8V | 2 | ||
| Minimum resistance, initial (un-soldered) state | Rmin | 0.01 | Ω | Initial un-soldered state; BSMD1812-260-8V | 2 | ||
| Maximum resistance at 25℃ one hour after tripping or reflow | R1max | 0.07 | Ω | 25℃, one hour after tripping or reflow soldering of 260℃ for 20 sec | 2 | ||
| Typical power dissipated in tripped state (Pd typ.) | Pd | 1 | W | Tripped state, 25℃ still air | 2 | ||
| Time to trip | 2.5 | Sec | Time to trip at 8.00 A | 2 | |||
| Maximum voltage device can withstand without damage at rated current (Vmax) | Vmax | 8 | Vdc | At rated current (Imax) | 2 | ||
| Maximum fault current device can withstand without damage at rated voltage (Imax) | Imax | 100 | A | At rated voltage (Vmax) | 2 | ||
| Ihold vs ambient temperature | Ihold | 3.9 | A | Ambient operating temperature -40℃ | 5 | ||
| Ihold vs ambient temperature | Ihold | 3.42 | A | Ambient operating temperature -20℃ | 5 | ||
| Ihold vs ambient temperature | Ihold | 2.96 | A | Ambient operating temperature 0℃ | 5 | ||
| Ihold vs ambient temperature | Ihold | 2.6 | A | Ambient operating temperature 25℃ | 5 | ||
| Ihold vs ambient temperature | Ihold | 2.22 | A | Ambient operating temperature 40℃ | 5 | ||
| Ihold vs ambient temperature | Ihold | 2.07 | A | Ambient operating temperature 50℃ | 5 | ||
| Ihold vs ambient temperature | Ihold | 1.94 | A | Ambient operating temperature 60℃ | 5 | ||
| Ihold vs ambient temperature | Ihold | 1.35 | A | Ambient operating temperature 70℃ | 5 | ||
| Ihold vs ambient temperature | Ihold | 1 | A | Ambient operating temperature 85℃ | 5 | ||
| Passive aging resistance change | -5 | 5 | % | +85℃, 1000 hours; typical | 5 | ||
| Humidity aging resistance change | -5 | 5 | % | +85℃, 85% R.H., 168 hours; typical | 5 | ||
| Thermal shock resistance change | -33 | 33 | % | +85℃ to -40℃, 20 times; typical | 5 | ||
| Ambient operating temperature | -40 | 85 | ℃ | Ambient operating conditions | 5 | ||
| Maximum surface temperature in tripped state | 125 | ℃ | Device in tripped state | 5 | |||
| Storage temperature | 0 | 30 | ℃ | Storage condition, 30%-60%RH | 6 | ||
| Peak reflow temperature (Tp) | Tp | 260 | ℃ | Pb-free reflow profile | 6 | ||
| Time 25℃ to peak temperature | 8 | minutes | Pb-free reflow profile, maximum | 6 |
CAD (KiCad official)
- Symbol:
BSMD1812-260-8V - Footprint:
Fuse:Fuse_1812_4532Metric - 3D model: 1812, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.9 mm nominal 1806 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
bsmd1812-260-8v-etched.step/bsmd1812-260-8v-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bsmd1812-260-8v.step/bsmd1812-260-8v.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BHFUSE datasheet (10 pp, sha256
a7f7e8936d26d547, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).