component
SMD1812-150C-33V
Public Made by Adomby adom
BNstar Resettable Fuses, 1812. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 7d ago |
| viewers | 7d ago |
| package.json | 7d ago |
| page.json | 7d ago |
| README.md | 7d ago |
| smd1812-150c-33v-etched.glb | 7d ago |
| smd1812-150c-33v-etched.step | 7d ago |
| smd1812-150c-33v-hero.glb | 7d ago |
| smd1812-150c-33v-hero.overlay.json | 7d ago |
| smd1812-150c-33v.glb | 7d ago |
| smd1812-150c-33v.kicad_mod | 7d ago |
| smd1812-150c-33v.kicad_sym | 7d ago |
| smd1812-150c-33v.lbr | 7d ago |
| smd1812-150c-33v.step | 7d ago |
SMD1812-150C-33V
BNstar · Resettable Fuses · 1812
SMD1812-150C-33V from BNstar, 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 | First terminal of the non-polarized resettable PTC fuse, rated 1.5 A hold, 3.0 A trip at 25℃, Vmax 33.0 V, Imax 50 A. |
| 2 | 2 | passive | Second terminal of the non-polarized resettable PTC fuse, rated 1.5 A hold, 3.0 A trip at 25℃, Vmax 33.0 V, Imax 50 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BNstar |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum voltage (rated voltage) | Vmax | 33 | V | Maximum continuous voltage device can withstand without damage at rated current | 1 | ||
| Maximum fault current | Imax | 50 | A | Withstood without damage at rated voltage | 1 | ||
| Minimum resistance, initial (un-soldered) | Rmin | 0.04 | Ω | 25℃, initial un-soldered state | 1 | ||
| Maximum resistance after reflow | R1max | 0.18 | Ω | 25℃, measured one hour after reflow soldering of 260℃ for 20 sec | 1 | ||
| Trip current | IT | 3 | A | 25℃ still air, reflow soldering of 260℃ for 20 sec | 1 | ||
| Hold current | IH | 1.5 | A | 25℃ still air, reflow soldering of 260℃ for 20 sec | 1 | ||
| Maximum time to trip | Ttrip | 0.5 | s | At 8.0 A, 25℃ | 1 | ||
| Typical power dissipation | Pdtyp | 1 | W | 25℃, device in tripped state, still air | 1 | ||
| Maximum ambient operating temperature range | -40 | 85 | ℃ | Thermal derating table range for hold current | 2 | ||
| Recommended storage temperature | 40 | ℃ | Recommended storage, 70% R.H. max | 2 |
CAD (KiCad official)
- Symbol:
SMD1812-150C-33V - 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:
smd1812-150c-33v-etched.step/smd1812-150c-33v-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smd1812-150c-33v.step/smd1812-150c-33v.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BNstar datasheet (3 pp, sha256
b353e2be1f2a8af6, 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).