component
JK-mSMD700L-12
Public Made by Adomby adom
Jinrui Electronic Materials Co 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
markdownJK-mSMD700L-12
Jinrui Electronic Materials Co · Resettable Fuses · 1812
JK-mSMD700L-12 from Jinrui Electronic Materials Co, 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 | Jinrui Electronic Materials Co |
| 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 |
|---|---|---|---|---|---|---|---|
| Operating temperature | -40 | 85 | ℃ | 1 | |||
| Storage ambient temperature (maximum) | 40 | ℃ | Storage | 8 | |||
| Storage relative humidity (maximum recommended) | 70 | % | Storage | 8 | |||
| Peak/classification temperature (TP) | TP | 260 | ℃ | Pb-free reflow profile | 6 | ||
| Time within 5℃ of actual peak temperature (TP) | TP | 30 | s | Pb-free reflow profile | 6 | ||
| Maximum continuous voltage | VMAX | 12 | V | 3 | |||
| Maximum fault current | IMAX | 50 | A | 3 | |||
| Hold current | IH | 7 | A | 3 | |||
| Trip current | IT | 14 | A | 3 | |||
| Minimum resistance before tripping | RiMIN | 0.001 | Ω | 3 | |||
| Maximum resistance one hour post reflow | R1MAX | 0.007 | Ω | 3 | |||
| Maximum time-to-trip | 2 | s | At 35.0 A | 3 | |||
| Passive aging resistance change | -10 | 10 | % | 85℃, 1000 hours | 5 | ||
| Humidity aging resistance change | -5 | 5 | % | 85℃/85%RH, 100 hours | 5 | ||
| Thermal shock resistance change | -30 | % | MIL-STD-202 Method 107G, +85℃/-40℃, 20 times | 5 | |||
| Typical power dissipation | PD | 2 | W | 3 | |||
| Thermal derating hold current at ambient -40℃ | IH | 10.17 | A | Maximum ambient operating temperature -40℃ | 4 | ||
| Thermal derating hold current at ambient -20℃ | IH | 9.1 | A | Maximum ambient operating temperature -20℃ | 4 | ||
| Thermal derating hold current at ambient 0℃ | IH | 8.18 | A | Maximum ambient operating temperature 0℃ | 4 | ||
| Thermal derating hold current at ambient 25℃ | IH | 7 | A | Maximum ambient operating temperature 25℃ | 4 | ||
| Thermal derating hold current at ambient 40℃ | IH | 6.01 | A | Maximum ambient operating temperature 40℃ | 4 | ||
| Thermal derating hold current at ambient 50℃ | IH | 5.38 | A | Maximum ambient operating temperature 50℃ | 4 | ||
| Thermal derating hold current at ambient 60℃ | IH | 4.83 | A | Maximum ambient operating temperature 60℃ | 4 | ||
| Thermal derating hold current at ambient 70℃ | IH | 4.35 | A | Maximum ambient operating temperature 70℃ | 4 | ||
| Thermal derating hold current at ambient 85℃ | IH | 3.5 | A | Maximum ambient operating temperature 85℃ | 4 |
CAD (KiCad official)
- Symbol:
JK-mSMD700L-12 - 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:
jk-msmd700l-12-etched.step/jk-msmd700l-12-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);jk-msmd700l-12.step/jk-msmd700l-12.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Jinrui Electronic Materials Co datasheet (8 pp, sha256
e67a941ead1377dd, retrieved 2026-10-14, 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).