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Contents

README

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JK-SMD0603-075L-6

Jinrui Electronic Materials Co · Resettable Fuses · 0603

JK-SMD0603-075L-6 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 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 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 the device can withstand without damage at rated voltage 2
Trip current (IT) IT 1.5 A Minimum current at which the device goes from low to high resistance in 25℃ still air 2
Minimum resistance before tripping (RiMIN) RiMIN 0.055 Ω 25℃, prior to tripping 2
Maximum resistance one hour post reflow (R1MAX) R1MAX 0.25 Ω Measured one hour post reflow 2
Maximum time-to-trip 1 Sec At 8.0 A current 2
Operating temperature -40 85 ℃ Operating temperature range 1
Storage maximum ambient temperature 40 ℃ Storage; higher storage temperatures may deform packaging 6
Storage maximum relative humidity 70 % Storage 6
Resistance change after passive aging -10 10 % Passive aging 85℃, 1000 hours (typical) 3
Resistance change after humidity aging -5 5 % 85℃/85%RH, 100 hours (typical) 3
Resistance change after thermal shock -30 % MIL-STD-202 Method 107G, +85℃/-40℃, 20 times (typical) 3
Hold current (IH) IH 0.75 A 25℃ still air; no trip in 30 min at IH 2
Typical power dissipation (PD) PD 0.5 W 25℃ still air 2
Thermal derating IH at ambient -40℃ IH 0.99 A Maximum ambient operating temperature -40℃ 2
Thermal derating IH at ambient -20℃ IH 0.85 A Maximum ambient operating temperature -20℃ 2
Thermal derating IH at ambient 0℃ IH 0.79 A Maximum ambient operating temperature 0℃ 2
Thermal derating IH at ambient 25℃ IH 0.75 A Maximum ambient operating temperature 25℃ 2
Thermal derating IH at ambient 40℃ IH 0.61 A Maximum ambient operating temperature 40℃ 2
Thermal derating IH at ambient 50℃ IH 0.44 A Maximum ambient operating temperature 50℃ 2
Thermal derating IH at ambient 60℃ IH 0.3 A Maximum ambient operating temperature 60℃ 2
Thermal derating IH at ambient 70℃ IH 0.17 A Maximum ambient operating temperature 70℃ 2
Thermal derating IH at ambient 85℃ 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-6
  • Footprint: Fuse:Fuse_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: jk-smd0603-075l-6-etched.step / jk-smd0603-075l-6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); jk-smd0603-075l-6.step / jk-smd0603-075l-6.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Jinrui Electronic Materials Co datasheet (6 pp, sha256 4c896b04eb6400e3, retrieved 2026-10-17, 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