component
SMD1812-014
Public Made by Adomby adom
BORN Resettable Fuses, 1812. 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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Contents
README
markdownSMD1812-014
BORN · Resettable Fuses · 1812
SMD1812-014 from BORN, 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 | Non-polarized PPTC terminal (tin-plated nickel-copper); the device is a two-terminal series element, I-hold 0.14 A, I-trip 0.34 A, Vmax 60 Vdc (SMD1812-014/60N). |
| 2 | 2 | passive | Non-polarized PPTC terminal (tin-plated nickel-copper); interchangeable with the other terminal, with recommended pad 1.50 mm x 3.20 mm and 2.70 mm pad gap. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BORN |
| 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 (no trip at 25 °C still air) | I-hold | 0.14 | A | Maximum current at which device will not trip, 25 °C still air | 2 | ||
| Trip current (trips at 25 °C still air) | I-trip | 0.34 | A | Minimum current at which device will trip, 25 °C still air | 2 | ||
| Minimum initial resistance | R0 min | 1.2 | Ohm | Initial un-soldered state, measured at 25 °C | 1 | ||
| Maximum resistance after trip or reflow | R1 max | 6.5 | Ohm | 25 °C, measured one hour after tripping or reflow soldering at 260 °C for 20 s | 1 | ||
| Maximum voltage (rated voltage) | Vmax | 60 | Vdc | Maximum voltage device can withstand without damage at rated current (Imax) | 1 | ||
| Maximum fault current | Imax | 10 | A | Maximum fault current device can withstand without damage at rated voltage (Vmax) | 1 | ||
| Maximum time to trip | 0.15 | Sec. | At specified current 1.50 A, 25 °C | 1 | |||
| Power dissipated in tripped state | Pd | 0.8 | W | Typical power dissipated when tripped, 25 °C still air | 1 | ||
| Operating temperature | -40 | 85 | °C | Operating ambient temperature range | 3 | ||
| Maximum device surface temperature in tripped state | 125 | °C | Tripped state | 3 | |||
| Passive aging resistance change | -5 | 5 | % | +85 °C, 1000 hours; typical resistance change | 3 | ||
| Humidity aging resistance change | -5 | 5 | % | +85 °C, 85 % R.H., 1000 hours; typical resistance change | 3 | ||
| Thermal shock resistance change | -30 | % | MIL-STD-202 Method 107; +85 °C to -40 °C, 20 times; typical resistance change | 3 | |||
| Pb-free reflow peak classification temperature | TP | 260 | °C | Topside package temperature; tolerance +0/-5 °C | 5 | ||
| Time 25 °C to peak temperature | 8 | minutes | Reflow profile, time from 25 °C to peak temperature (TP) | 5 | |||
| Recommended hold current at 50 °C ambient | 0.1 | A | Thermal derating chart, ambient operating temperature 50 °C | 4 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | Copper | tin | Terminal Material Tin-Plated Nickle-Copper (Solder Material: | 7 |
CAD (KiCad official)
- Symbol:
SMD1812-014 - 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:
smd1812-014-etched.step/smd1812-014-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smd1812-014.step/smd1812-014.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BORN datasheet (8 pp, sha256
44aae6dface4a128, retrieved 2026-10-19, 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).