component
ASMD1812-125
Public Made by Adomby adom
Shenzhen JDT Fuse 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.
Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 17d ago |
| viewers | 17d ago |
| asmd1812-125-etched.glb | 17d ago |
| asmd1812-125-etched.step | 17d ago |
| asmd1812-125-hero.glb | 17d ago |
| asmd1812-125-hero.overlay.json | 17d ago |
| asmd1812-125.glb | 17d ago |
| asmd1812-125.kicad_mod | 17d ago |
| asmd1812-125.kicad_sym | 6d ago |
| asmd1812-125.lbr | 6d ago |
| asmd1812-125.step | 17d ago |
| package.json | 17d ago |
| page.json | 17d ago |
| README.md | 17d ago |
ASMD1812-125
Shenzhen JDT Fuse · Resettable Fuses · 1812
ASMD1812-125 from Shenzhen JDT Fuse, 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 | Shenzhen JDT Fuse |
| 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 operating voltage (Vmax) | Vmax | 16 | V | at rated current (Imax) | 3 | ||
| Maximum fault current (Imax) | Imax | 100 | A | at rated voltage (Vmax) | 3 | ||
| Minimum device resistance prior to tripping (Ri min) | Ri min | 0.05 | Ω | 25°C | 3 | ||
| Maximum device resistance one hour post reflow (R1max) | R1max | 0.2 | Ω | measured one hour post reflow | 3 | ||
| Hold current (maximum current device will not trip) | I hold | 1.25 | A | 25°C still air | 3 | ||
| Trip current (minimum current at which device always trips) | I trip | 2.5 | A | 25°C still air | 3 | ||
| Maximum time to trip | 0.4 | s | at 8.0 A | 3 | |||
| Passive aging resistance change | -5 | 5 | % | +85°C, 1000 hrs; typical | 4 | ||
| Humidity aging resistance change | -5 | 5 | % | +85°C, 85% R.H., 168 hours; typical | 4 | ||
| Thermal shock resistance change | -33 | 33 | % | +85°C to -40°C, 20 times; typical | 4 | ||
| Ambient operating temperature | -40 | 85 | °C | Ambient operating conditions | 4 | ||
| Storage temperature | 40 | °C | Storage conditions, 70% R.H. max (page 8 wording) | 8 | |||
| Storage temperature (soldering/storage table) | 0 | 35 | °C | Storage, ≤70% RH | 6 | ||
| Maximum surface temperature in tripped state | 125 | °C | device in tripped state | 4 | |||
| Power dissipation in tripped state (Pd) | Pd | 0.8 | W | tripped state, 25°C still air, at rated voltage | 3 |
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 pad materials：Tin-plated Nickel-Copper | 6 |
CAD (KiCad official)
- Symbol:
ASMD1812-125 - 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:
asmd1812-125-etched.step/asmd1812-125-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);asmd1812-125.step/asmd1812-125.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shenzhen JDT Fuse datasheet (10 pp, sha256
9a262a458868b11e, retrieved 2026-10-18, 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).