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SMD1812-035C-60V
Public Made by Adomby adom
BNstar Resettable Fuses, 1812. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, 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
markdownSMD1812-035C-60V
BNstar · Resettable Fuses · 1812
SMD1812-035C-60V 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 | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
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 |
|---|---|---|---|---|---|---|---|
| Hold current (25 ℃ still air) | IH | 0.35 | A | 25℃ still air | 1 | ||
| Trip current (25 ℃ still air) | IT | 0.7 | A | 25℃ still air | 1 | ||
| Maximum voltage | Vmax | 60 | V | Continuous voltage at rated current | 1 | ||
| Maximum fault current | Imax | 40 | A | At rated voltage | 1 | ||
| Typical power dissipation | Pdtyp | 0.8 | W | Typical, tripped state in air | 1 | ||
| Maximum time to trip | Ttrip | 0.1 | s | At 8.0 A, 25℃ | 1 | ||
| Minimum resistance (initial, un-soldered) | Rmin | 0.2 | Ω | Initial un-soldered state | 1 | ||
| Maximum resistance (one hour after reflow) | R1max | 1.8 | Ω | 25℃, one hour after reflow soldering of 260℃ for 20 sec | 1 | ||
| Hold current at ambient -40 ℃ (thermal derating) | IH | 0.44 | A | Ambient -40℃ | 2 | ||
| Hold current at ambient -20 ℃ (thermal derating) | IH | 0.45 | A | Ambient -20℃ | 2 | ||
| Hold current at ambient 0 ℃ (thermal derating) | IH | 0.4 | A | Ambient 0℃ | 2 | ||
| Hold current at ambient 25 ℃ (thermal derating) | IH | 0.35 | A | Ambient 25℃ | 2 | ||
| Hold current at ambient 40 ℃ (thermal derating) | IH | 0.33 | A | Ambient 40℃ | 2 | ||
| Hold current at ambient 50 ℃ (thermal derating) | IH | 0.28 | A | Ambient 50℃ | 2 | ||
| Hold current at ambient 60 ℃ (thermal derating) | IH | 0.24 | A | Ambient 60℃ | 2 | ||
| Hold current at ambient 70 ℃ (thermal derating) | IH | 0.21 | A | Ambient 70℃ | 2 | ||
| Hold current at ambient 85 ℃ (thermal derating) | IH | 0.18 | A | Ambient 85℃ | 2 | ||
| Recommended storage temperature | 40 | ℃ | Recommended storage conditions, 70% R.H. max | 2 |
CAD (KiCad official)
- Symbol:
SMD1812-035C-60V - 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:
smd1812-035c-60v-etched.step/smd1812-035c-60v-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smd1812-035c-60v.step/smd1812-035c-60v.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BNstar datasheet (3 pp, sha256
df15c14514b8eac8, retrieved 2026-10-26, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(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).