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JK-SMD0603-075L（6V）
Public Made by Adomby adom
Jinrui Electronic Materials Co Resettable Fuses, 0603. Pinout cross-checked by two models against the datasheet, 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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Contents
README
markdownJK-SMD0603-075L（6V）
Jinrui Electronic Materials Co · Resettable Fuses · 0603
JK-SMD0603-075L（6V） from Jinrui Electronic Materials Co, in a 0603. 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 | First terminal of the non-polarized PPTC (tin-plated nickel-copper); rated 6.0 V max, 0.75 A hold, 1.5 A trip, 50 A max fault current. |
| 2 | 2 | passive | Second terminal of the non-polarized PPTC (tin-plated nickel-copper); rated 6.0 V max, 0.75 A hold, 1.5 A trip, 50 A max fault current. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Jinrui Electronic Materials Co |
| Package | 0603 |
| 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 voltage (VMAX) | VMAX | 6 | V | Maximum continuous voltage the device can withstand without damage at rated current | 2 | ||
| Maximum fault current (IMAX) | IMAX | 50 | A | Maximum fault current at rated voltage (6.0 V) | 2 | ||
| Initial resistance (RiMIN) | RiMIN | 0.055 | Ω | In still air at 25℃, prior to tripping | 2 | ||
| Maximum device resistance (R1MAX) | R1MAX | 0.25 | Ω | Measured one hour post reflow | 2 | ||
| Maximum time to trip | 1 | Sec | At 8.0 A time-to-trip current, Vmax, 25℃ still air | 2 | |||
| Operating temperature | -40 | 85 | ℃ | Operating temperature range | 1 | ||
| Passive aging resistance change | -10 | 10 | % | 85℃, 1000 hours; typical | 3 | ||
| Humidity aging resistance change | -5 | 5 | % | 85℃/85%RH, 100 hours; typical | 3 | ||
| Thermal shock resistance change | -30 | % | MIL-STD-202 Method 107G, +85℃/-40℃, 20 times; typical | 3 | |||
| Storage maximum ambient temperature | 40 | ℃ | Storage; higher storage temperatures may deform packaging | 6 | |||
| Storage maximum relative humidity | 70 | %RH | Recommended maximum relative humidity for storage | 6 | |||
| Reflow peak classification temperature (TP) | TP | 260 | ℃ | Pb-free reflow profile; time within 5℃ of peak 30 s max | 4 | ||
| Reflow average ramp up rate (TsMAX to Tp) | 3 | ℃/second | Pb-free reflow profile | 4 | |||
| Reflow ramp down rate | 3 | ℃/second | Pb-free reflow profile | 4 | |||
| Reflow time 25℃ to peak temperature | 8 | minutes | Pb-free reflow profile | 4 | |||
| Reflow preheat temperature (TsMIN) | TsMIN | 150 | ℃ | Pb-free reflow preheat | 4 | ||
| Reflow preheat temperature (TsMAX) | TsMAX | 200 | ℃ | Pb-free reflow preheat; TsMIN to TsMAX 60-120 seconds | 4 | ||
| Reflow time above liquidus temperature (TL) | TL | 217 | ℃ | Time maintained above TL for 60-150 seconds | 4 | ||
| Hold current (IH) | IH | 0.75 | A | Maximum current at which the device will not interrupt, 25℃ still air | 2 | ||
| Trip current (IT) | IT | 1.5 | A | Minimum current at which the device goes from low to high resistance, 25℃ still air | 2 | ||
| Typical power dissipation (PD) | PD | 0.5 | W | Typical power dissipated in 25℃ still air | 2 | ||
| Time-to-trip current | 8 | A | Specified current used for maximum time to trip, Vmax, 25℃ | 2 | |||
| Derated hold current at -40℃ ambient | IH | 0.99 | A | Maximum ambient operating temperature -40℃ | 2 | ||
| Derated hold current at -20℃ ambient | IH | 0.85 | A | Maximum ambient operating temperature -20℃ | 2 | ||
| Derated hold current at 0℃ ambient | IH | 0.79 | A | Maximum ambient operating temperature 0℃ | 2 | ||
| Derated hold current at 25℃ ambient | IH | 0.75 | A | Maximum ambient operating temperature 25℃ | 2 | ||
| Derated hold current at 40℃ ambient | IH | 0.61 | A | Maximum ambient operating temperature 40℃ | 2 | ||
| Derated hold current at 50℃ ambient | IH | 0.44 | A | Maximum ambient operating temperature 50℃ | 2 | ||
| Derated hold current at 60℃ ambient | IH | 0.3 | A | Maximum ambient operating temperature 60℃ | 2 | ||
| Derated hold current at 70℃ ambient | IH | 0.17 | A | Maximum ambient operating temperature 70℃ | 2 | ||
| Derated hold current at 85℃ ambient | IH | 0.07 | A | Maximum ambient operating temperature 85℃ | 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 | 3 |
CAD (KiCad official)
- Symbol:
JK-SMD0603-075L（6V） - Footprint:
Fuse:Fuse_0603_1608Metric - 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files:
jk-smd0603-075l-6v-etched.step/jk-smd0603-075l-6v-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);jk-smd0603-075l-6v.step/jk-smd0603-075l-6v.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Jinrui Electronic Materials Co datasheet (6 pp, sha256
69ccb381ab433da9, 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).