component
ASMD1812-160
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.
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ASMD1812-160
Shenzhen JDT Fuse · Resettable Fuses · 1812
ASMD1812-160 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 |
|---|---|---|---|---|---|---|---|
| Ri min (minimum resistance prior to tripping at 25°C) | Ri min | 0.03 | Ω | 25°C still air, prior to tripping | 3 | ||
| R1max (maximum resistance one hour post reflow) | R1max | 0.13 | Ω | Measured one hour post reflow, 25°C | 3 | ||
| Maximum time to trip | 1 | s | At 8.0 A fault current | 3 | |||
| V max (maximum operating voltage) | V max | 8 | V dc | Maximum voltage device can withstand without damage at rated current (Imax) | 3 | ||
| I max (maximum fault current) | I max | 100 | A | Maximum fault current device can withstand without damage at rated voltage (Vmax) | 3 | ||
| Ambient operating temperature | -40 | 85 | °C | Ambient operating conditions | 4 | ||
| Maximum surface temperature in tripped state | 125 | °C | Device in tripped state | 4 | |||
| Passive aging resistance change | -5 | 5 | % | +85°C, 1000 hrs; printed as ±5% typical | 4 | ||
| Humidity aging resistance change | -5 | 5 | % | +85°C, 85% R.H., 168 hours; printed as ±5% typical | 4 | ||
| Thermal shock resistance change | -33 | 33 | % | +85°C to -40°C, 20 times; printed as ±33% typical | 4 | ||
| Storage temperature | 40 | °C | Storage conditions | 8 | |||
| Storage relative humidity | 70 | % R.H. | Storage conditions | 8 | |||
| Reflow ramp-up rate (Ts max to Tp) | 3 | °C/s | Pb-free assembly, average ramp-up rate | 6 | |||
| Reflow ramp-down rate | 6 | °C/s | Pb-free assembly | 6 | |||
| Time from 25°C to peak temperature | 8 | min | Pb-free assembly | 6 | |||
| Peak reflow temperature (Tp) | Tp | 260 | °C | Pb-free assembly, reflow profile | 6 | ||
| Hold current (I hold @25°C) | I hold | 1.6 | A | 25°C still air; maximum current device will not trip | 3 | ||
| Trip current (I trip @25°C) | I trip | 2.8 | A | 25°C still air; minimum current at which device will always trip | 3 | ||
| Power dissipation in tripped state (Pd) | Pd | 0.8 | W | Tripped state, 25°C still air, at rated voltage | 3 | ||
| Maximum ambient operating hold current at -40°C | Ihold | 0.44 | A | Ambient -40°C (Tmao vs Ihold derating chart) | 5 | ||
| Maximum ambient operating hold current at -20°C | Ihold | 2.05 | A | Ambient -20°C (Tmao vs Ihold derating chart) | 5 | ||
| Maximum ambient operating hold current at 0°C | Ihold | 1.88 | A | Ambient 0°C (Tmao vs Ihold derating chart) | 5 | ||
| Maximum ambient operating hold current at 25°C | Ihold | 1.6 | A | Ambient 25°C (Tmao vs Ihold derating chart) | 5 | ||
| Maximum ambient operating hold current at 40°C | Ihold | 1.26 | A | Ambient 40°C (Tmao vs Ihold derating chart) | 5 | ||
| Maximum ambient operating hold current at 50°C | Ihold | 0.84 | A | Ambient 50°C (Tmao vs Ihold derating chart) | 5 | ||
| Maximum ambient operating hold current at 60°C | Ihold | 1.12 | A | Ambient 60°C (Tmao vs Ihold derating chart) | 5 | ||
| Maximum ambient operating hold current at 70°C | Ihold | 0.98 | A | Ambient 70°C (Tmao vs Ihold derating chart) | 5 | ||
| Maximum ambient operating hold current at 85°C | Ihold | 0.63 | A | Ambient 85°C (Tmao vs Ihold derating chart) | 5 |
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:
ASMD1812-160 - 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:
asmd1812-160-etched.step/asmd1812-160-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);asmd1812-160.step/asmd1812-160.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 2026-10-16, 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).
# ASMD1812-160
**Shenzhen JDT Fuse** · Resettable Fuses · 1812
ASMD1812-160 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 |
|---|---|---|---|---|---|---|---|
| Ri min (minimum resistance prior to tripping at 25°C) | Ri min | 0.03 | | | Ω | 25°C still air, prior to tripping | 3 |
| R1max (maximum resistance one hour post reflow) | R1max | | | 0.13 | Ω | Measured one hour post reflow, 25°C | 3 |
| Maximum time to trip | | | | 1 | s | At 8.0 A fault current | 3 |
| V max (maximum operating voltage) | V max | | | 8 | V dc | Maximum voltage device can withstand without damage at rated current (Imax) | 3 |
| I max (maximum fault current) | I max | | | 100 | A | Maximum fault current device can withstand without damage at rated voltage (Vmax) | 3 |
| Ambient operating temperature | | -40 | | 85 | °C | Ambient operating conditions | 4 |
| Maximum surface temperature in tripped state | | | | 125 | °C | Device in tripped state | 4 |
| Passive aging resistance change | | -5 | | 5 | % | +85°C, 1000 hrs; printed as ±5% typical | 4 |
| Humidity aging resistance change | | -5 | | 5 | % | +85°C, 85% R.H., 168 hours; printed as ±5% typical | 4 |
| Thermal shock resistance change | | -33 | | 33 | % | +85°C to -40°C, 20 times; printed as ±33% typical | 4 |
| Storage temperature | | | | 40 | °C | Storage conditions | 8 |
| Storage relative humidity | | | | 70 | % R.H. | Storage conditions | 8 |
| Reflow ramp-up rate (Ts max to Tp) | | | | 3 | °C/s | Pb-free assembly, average ramp-up rate | 6 |
| Reflow ramp-down rate | | | | 6 | °C/s | Pb-free assembly | 6 |
| Time from 25°C to peak temperature | | | | 8 | min | Pb-free assembly | 6 |
| Peak reflow temperature (Tp) | Tp | | | 260 | °C | Pb-free assembly, reflow profile | 6 |
| Hold current (I hold @25°C) | I hold | | 1.6 | | A | 25°C still air; maximum current device will not trip | 3 |
| Trip current (I trip @25°C) | I trip | | 2.8 | | A | 25°C still air; minimum current at which device will always trip | 3 |
| Power dissipation in tripped state (Pd) | Pd | | 0.8 | | W | Tripped state, 25°C still air, at rated voltage | 3 |
| Maximum ambient operating hold current at -40°C | Ihold | | 0.44 | | A | Ambient -40°C (Tmao vs Ihold derating chart) | 5 |
| Maximum ambient operating hold current at -20°C | Ihold | | 2.05 | | A | Ambient -20°C (Tmao vs Ihold derating chart) | 5 |
| Maximum ambient operating hold current at 0°C | Ihold | | 1.88 | | A | Ambient 0°C (Tmao vs Ihold derating chart) | 5 |
| Maximum ambient operating hold current at 25°C | Ihold | | 1.6 | | A | Ambient 25°C (Tmao vs Ihold derating chart) | 5 |
| Maximum ambient operating hold current at 40°C | Ihold | | 1.26 | | A | Ambient 40°C (Tmao vs Ihold derating chart) | 5 |
| Maximum ambient operating hold current at 50°C | Ihold | | 0.84 | | A | Ambient 50°C (Tmao vs Ihold derating chart) | 5 |
| Maximum ambient operating hold current at 60°C | Ihold | | 1.12 | | A | Ambient 60°C (Tmao vs Ihold derating chart) | 5 |
| Maximum ambient operating hold current at 70°C | Ihold | | 0.98 | | A | Ambient 70°C (Tmao vs Ihold derating chart) | 5 |
| Maximum ambient operating hold current at 85°C | Ihold | | 0.63 | | A | Ambient 85°C (Tmao vs Ihold derating chart) | 5 |
## 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: `ASMD1812-160`
- 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: `asmd1812-160-etched.step` / `asmd1812-160-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `asmd1812-160.step` / `asmd1812-160.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Shenzhen JDT Fuse datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588899522189254657) (10 pp, sha256 `9a262a458868b11e`, retrieved 2026-10-16, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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).
[Datasheet PDF](docs/asmd1812-160-datasheet.pdf)