component

JK-SMD1210-150

Public Made by Adom

by adom

Jinrui Electronic Materials Co Resettable Fuses, 1210. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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JK-SMD1210-150

Jinrui Electronic Materials Co · Resettable Fuses · 1210

JK-SMD1210-150 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 One terminal pad of the non-polarized PPTC fuse (tin-plated nickel-copper); Ihold 1.50 A, Itrip 3.00 A, Vmax 6 Vdc, Imax 100 A.
2 2 passive Second terminal pad of the non-polarized PPTC fuse (tin-plated nickel-copper), interchangeable with pad 1; Ihold 1.50 A, Itrip 3.00 A, Vmax 6 Vdc, Imax 100 A.

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 operating voltage (Vmax) Vmax 6 Vdc Maximum voltage device can withstand without damage at rated current (Imax) 2
Maximum fault current (Imax) Imax 100 A At rated voltage (Vmax) 2
Hold current (Ihold) Ihold 1.5 A 25°C still air; maximum current device will not trip 2
Trip current (Itrip) Itrip 3 A 25°C still air; minimum current at which device always trips 2
Minimum device resistance prior to tripping (Rimin) Rimin 0.03 Ω 25°C, prior to tripping 2
Maximum device resistance one hour post reflow (R1max) R1max 0.21 Ω Measured one hour post reflow 2
Maximum time to trip 0.5 Sec At 8.0 A, Vmax, 25°C 2
Maximum power dissipation in tripped state (Pd) Pd 0.8 W Tripped state, 25°C still air, at rated voltage 2
Passive aging resistance change -10 10 % 85°C, 1000 hours 3
Humidity aging resistance change -5 5 % 85°C/85%RH, 1000 hours 3
Thermal shock resistance change -30 % MIL-STD-202 Method 107G, +85°C/-40°C, 20 times 3
Operating temperature -40 85 °C 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-SMD1210-150
  • Footprint: Fuse:Fuse_1210_3225Metric
  • 3D model: 1210 (KiCad packages3D, STEP)
  • 3D model files: jk-smd1210-150-etched.step / jk-smd1210-150-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); jk-smd1210-150.step / jk-smd1210-150.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 d78eae4cfa298c87, 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