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Contents

README

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JK-SMD0603-035-6

Jinrui Electronic Materials Co · Resettable Fuses · 0603

JK-SMD0603-035-6 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 pad of the non-polarized 0603 PTC resettable fuse, tin-plated nickel-copper, with a 0.35 A hold current, 6 Vdc Vmax and 0.75 A trip current.
2 2 passive Second terminal pad of the non-polarized 0603 PTC resettable fuse, tin-plated nickel-copper, in series with the protected circuit, with a 40 A Imax.

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 Vdc 2
Maximum fault current (Imax) Imax 40 A 2
Hold current (Ihold) Ihold 0.35 A 25°C still air 2
Trip current (Itrip) Itrip 0.75 A 25°C still air 2
Maximum power dissipation (Pd) Pd 0.5 W Tripped state, 25°C still air, rated voltage 2
Minimum resistance prior to trip (Rimin) Rimin 0.2 Ω In still air @ 25°C 2
Maximum resistance one hour post reflow (R1max) R1max 1.4 Ω Measured one hour post reflow 2
Maximum time to trip 0.1 Sec Specified current 8A, Vmax, 25°C 2
Resistance change, passive aging -10 10 % Passive aging 85℃, 1000 hours 2
Resistance change, humidity aging -5 5 % Humidity aging 85℃/85%RH, 1000 hours 2
Resistance change, thermal shock -30 % MIL-STD-202 Method 107G, +85℃/-40℃, 20 times 3
Operating temperature -40 85 ℃ 1
Maximum storage ambient temperature 38 ℃ Storage 5
Maximum storage relative humidity 60 % Storage 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 Nickle-copper 1

CAD (KiCad official)

  • Symbol: JK-SMD0603-035-6
  • Footprint: Fuse:Fuse_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: jk-smd0603-035-6-etched.step / jk-smd0603-035-6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); jk-smd0603-035-6.step / jk-smd0603-035-6.glb are the bare package body.

Provenance

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

  • Datasheet: Jinrui Electronic Materials Co datasheet (5 pp, sha256 c9778ce12ae63017, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-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).

Datasheet PDF