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Contents

README

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JK-SMD1210-075-24

Jinrui Electronic Materials Co · Resettable Fuses · 1210

JK-SMD1210-075-24 from Jinrui Electronic Materials Co, in a 1210. 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 terminal pad (tin-plated nickel-copper) of the PPTC; rated 24 Vdc max, 0.75 A hold and 1.50 A trip at 25℃, with 0.070 to 0.45 Ω initial resistance.
2 2 passive Second non-polarized terminal pad of the PPTC, interchangeable with the other pad; rated 24 Vdc max, 100 A max interrupt current, operating temperature -40℃ to 85℃.

Key specifications

Parameter Value
Manufacturer Jinrui Electronic Materials Co
Package 1210
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 (rated voltage) Vmax 24 Vdc 1
Maximum current (Imax) Imax 100 A 1
Maximum time to trip 0.1 Sec 25℃, 8.0 A 1
Minimum initial resistance Rimin 0.07 Ω 25℃ 1
Maximum initial resistance (R1max) R1max 0.45 Ω 25℃ 1
Operating temperature -40 85 ℃ 1
Hold current (Ihold) Ihold 0.75 A 25℃, 60 min, no trip 1
Trip current (Itrip) Itrip 1.5 A 25℃ 1
Typical initial resistance (Rityp) Rityp 0.23 Ω 25℃ 1
Power dissipation (Pd) Pd 0.6 W 1

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-SMD1210-075-24
  • Footprint: Fuse:Fuse_1210_3225Metric
  • 3D model: 1210 (KiCad packages3D, STEP)
  • 3D model files: jk-smd1210-075-24-etched.step / jk-smd1210-075-24-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); jk-smd1210-075-24.step / jk-smd1210-075-24.glb are the bare package body.

Provenance

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

  • Datasheet: Jinrui Electronic Materials Co datasheet (3 pp, sha256 aaa5e53f94ec0664, 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