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BSMD1206-035-24V
Public Made by Adomby adom
BHFUSE Resettable Fuses, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownBSMD1206-035-24V
BHFUSE · Resettable Fuses · 1206
BSMD1206-035-24V 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 | Unpolarized PTC terminal 1 of the two end-cap pads; the BSMD1206-035-24V is rated Ihold 0.35 A, Itrip 0.75 A, Vmax 24 Vdc, Imax 40 A. |
| 2 | 2 | passive | Unpolarized PTC terminal 2 of the two end-cap pads; the device is a resettable series overcurrent protector with Rmin 0.250 Ω and R1max 1.500 Ω. |
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 |
|---|---|---|---|---|---|---|---|
| Minimum resistance (initial, un-soldered state) | Rmin | 0.25 | Ω | Initial (un-soldered) state | 2 | ||
| Maximum resistance at 25℃ after tripping or reflow | R1max | 1.5 | Ω | 25℃, measured one hour after tripping or reflow soldering at 260℃ for 20 sec | 2 | ||
| Maximum voltage (Vmax) | Vmax | 24 | Vdc | At rated current (Imax) | 2 | ||
| Maximum fault current (Imax) | Imax | 40 | A | At rated voltage (Vmax) | 2 | ||
| Passive aging resistance change | -5 | 5 | % | +85°C, 1000 hours; typical | 5 | ||
| Humidity aging resistance change | -5 | 5 | % | +85°C, 85% R.H., 168 hours; typical | 5 | ||
| Thermal shock resistance change | -33 | 33 | % | +85°C to -40°C, 20 times; typical | 5 | ||
| Ambient operating temperature range | Ta | -40 | 85 | °C | Ambient operating conditions | 5 | |
| Maximum surface temperature in tripped state | 125 | °C | Device in tripped state | 5 | |||
| Peak reflow temperature | Tp | 260 | ℃ | Pb-free reflow profile; temperature measured on package topside | 6 | ||
| Hold current (Ihold) | Ihold | 0.35 | A | 25℃ still air; maximum current without tripping | 2 | ||
| Trip current (Itrip) | Itrip | 0.75 | A | 25℃ still air; minimum current at which device trips | 2 | ||
| Typical power dissipated in tripped state (Pd typ.) | Pd | 0.6 | W | Tripped state, 25℃ still air | 2 | ||
| Time to trip | 0.1 | Sec | At 8.00 A test current | 2 | |||
| Hold current vs ambient -40℃ | Ihold | 0.5 | A | Ambient operating temperature -40℃ | 5 | ||
| Hold current vs ambient -20℃ | Ihold | 0.45 | A | Ambient operating temperature -20℃ | 5 | ||
| Hold current vs ambient 0℃ | Ihold | 0.4 | A | Ambient operating temperature 0℃ | 5 | ||
| Hold current vs ambient 25℃ | Ihold | 0.35 | A | Ambient operating temperature 25℃ | 5 | ||
| Hold current vs ambient 40℃ | Ihold | 0.3 | A | Ambient operating temperature 40℃ | 5 | ||
| Hold current vs ambient 50℃ | Ihold | 0.27 | A | Ambient operating temperature 50℃ | 5 | ||
| Hold current vs ambient 60℃ | Ihold | 0.24 | A | Ambient operating temperature 60℃ | 5 | ||
| Hold current vs ambient 70℃ | Ihold | 0.21 | A | Ambient operating temperature 70℃ | 5 | ||
| Hold current vs ambient 85℃ | Ihold | 0.15 | A | Ambient operating temperature 85℃ | 5 |
CAD (KiCad official)
- Symbol:
BSMD1206-035-24V - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
bsmd1206-035-24v-etched.step/bsmd1206-035-24v-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bsmd1206-035-24v.step/bsmd1206-035-24v.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BHFUSE datasheet (10 pp, sha256
6d5827b9497205e2, retrieved 2026-10-18, 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).