component
ASMD1812-260-16V
Public Made by Adomby adom
Shenzhen JDT Fuse 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
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ASMD1812-260-16V
Shenzhen JDT Fuse · Resettable Fuses · 1812
ASMD1812-260-16V 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 | Non-polarized PTC terminal pad (tin-plated nickel-copper); ASMD1812-260-16V is rated 16 V dc max, 100 A max fault current, 2.60 A hold and 5.00 A trip at 25°C. |
| 2 | 2 | passive | Second non-polarized PTC terminal pad (tin-plated nickel-copper); in series with pad 1 for resettable overcurrent protection, operating -40 °C to +85 °C. |
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 (rated Vmax) for ASMD1812-260-16V | V max | 16 | V | Maximum voltage device can withstand without damage at rated current (Imax) | 3 | ||
| Maximum fault current withstand | I max | 100 | A | At rated voltage (V max) | 3 | ||
| Trip current | I trip | 5 | A | 25°C still air; minimum current at which device always trips | 3 | ||
| Minimum device resistance prior to tripping | Ri min | 0.01 | Ω | 25°C, prior to tripping | 3 | ||
| Maximum device resistance after reflow | R1max | 0.05 | Ω | Measured one hour post reflow | 3 | ||
| Resistance change, passive aging | -5 | 5 | % | +85°C, 1000 hrs; printed as ±5% typical | 4 | ||
| Resistance change, humidity aging | -5 | 5 | % | +85°C, 85% R.H., 168 hours; printed as ±5% typical | 4 | ||
| Resistance change, thermal shock | -33 | 33 | % | +85°C to -40°C, 20 times; printed as ±33% typical | 4 | ||
| Ambient operating temperature | -40 | 85 | °C | Ambient operating conditions | 4 | ||
| Maximum surface temperature in tripped state | 125 | °C | Device in tripped state | 4 | |||
| Peak reflow temperature (Pb-free profile) | Tp | 260 | °C | Pb-free reflow profile, peak temperature | 6 | ||
| Hold current | I hold | 2.6 | A | 25°C still air; maximum current device will not trip | 3 | ||
| Power dissipation in tripped state | P d | 2 | 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:
ASMD1812-260-16V - 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:
asmd1812-260-16v-etched.step/asmd1812-260-16v-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);asmd1812-260-16v.step/asmd1812-260-16v.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shenzhen JDT Fuse datasheet (9 pp, sha256
f28603377fefb600, 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).