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JK-SMD1210-075-24
Public Made by Adomby adom
Jinrui Electronic Materials Co Resettable Fuses, 1210. 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-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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);jk-smd1210-075-24.step/jk-smd1210-075-24.glbare 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, 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).