component
JK-SMD0805-400L-6
Public Made by Adomby adom
Jinrui Electronic Materials Co Resettable Fuses, 0805. 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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| README.md | 8d ago |
JK-SMD0805-400L-6
Jinrui Electronic Materials Co · Resettable Fuses · 0805
JK-SMD0805-400L-6 from Jinrui Electronic Materials Co, in a 0805. 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) in series with the protected line; the JK-SMD0805-400L (6 V) is rated VMAX 6.0 V, IMAX 50 A, IH 4.0 A, IT 8.0 A. |
| 2 | 2 | passive | Non-polarized PPTC terminal (tin-plated nickel-copper) in series with the protected line; the JK-SMD0805-400L (6 V) is rated VMAX 6.0 V, IMAX 50 A, IH 4.0 A, IT 8.0 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Jinrui Electronic Materials Co |
| Package | 0805 |
| 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 continuous voltage (rated voltage) | VMAX | 6 | V | Max continuous voltage without damage at rated current | 2 | ||
| Maximum fault current | IMAX | 50 | A | At rated voltage (VMAX) | 2 | ||
| Trip current | IT | 8 | A | Minimum current at which device goes from low to high resistance, 25℃ still air | 2 | ||
| Holding current | IH | 4 | A | Maximum current at which device will not interrupt, 25℃ still air; 30 min at IH | 2 | ||
| Minimum initial resistance | RiMIN | 0.003 | Ω | In still air at 25℃, prior to tripping | 2 | ||
| Maximum device resistance after reflow | R1MAX | 0.015 | Ω | In still air at 25℃, measured one hour post reflow | 2 | ||
| Maximum time to trip | 2 | s | At 20.0 A, VMAX, 25℃ (specified current, VMAX, 25℃) | 2 | |||
| Holding current derating at -40℃ ambient | IH | 5.72 | A | Maximum ambient operating temperature -40℃ (thermal derating chart) | 3 | ||
| Holding current derating at 25℃ ambient | IH | 4 | A | Maximum ambient operating temperature 25℃ (thermal derating chart) | 3 | ||
| Holding current derating at 85℃ ambient | IH | 1.81 | A | Maximum ambient operating temperature 85℃ (thermal derating chart) | 3 | ||
| Operating temperature | -40 | 85 | ℃ | Operating temperature range | 1 | ||
| Storage ambient temperature | 40 | ℃ | Maximum ambient storage temperature | 7 | |||
| Storage relative humidity | 70 | % | Maximum recommended relative humidity for storage | 7 | |||
| Passive aging resistance change | -10 | 10 | % | 85℃, 1000 hours | 4 | ||
| Humidity aging resistance change | -5 | 5 | % | 85℃/85%RH, 100 hours | 4 | ||
| Thermal shock resistance change | -30 | % | MIL-STD-202 Method 107G, +85℃/-40℃, 20 times | 4 | |||
| Typical power dissipation | PD | 0.8 | W | Typical, 25℃ still air environment | 2 |
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 Materials Tin-Plated Nickle-copper | 4 |
CAD (KiCad official)
- Symbol:
JK-SMD0805-400L-6 - Footprint:
Fuse:Fuse_0805_2012Metric - 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files:
jk-smd0805-400l-6-etched.step/jk-smd0805-400l-6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);jk-smd0805-400l-6.step/jk-smd0805-400l-6.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
2218f228c24be1a9, 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).