component
SL1210250
Public Made by Adomby adom
TECHFUSE Resettable Fuses, 1210. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, 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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README
markdownSL1210250
TECHFUSE · Resettable Fuses · 1210
SL1210250 from TECHFUSE, 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 | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TECHFUSE |
| 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 |
|---|---|---|---|---|---|---|---|
| Hold current (maximum current at which device will not trip) | IH | 2.5 | A | 25℃ still air; maximum current without tripping | 2 | ||
| Trip current (minimum current at which device always trips) | IT | 5 | A | 25℃ still air; minimum current that always trips | 2 | ||
| Maximum continuous voltage at rated current | Vmax | 6 | V | Maximum continuous voltage without damage at rated current | 2 | ||
| Maximum fault current at rated voltage | Imax | 50 | A | Maximum fault current without damage at rated voltage | 2 | ||
| Minimum resistance, initial (un-soldered) state | Rmin | 0.004 | Ω | Initial (un-soldered) state | 2 | ||
| Maximum resistance, initial (un-soldered) state | Rmax | 0.009 | Ω | Initial (un-soldered) state | 2 | ||
| Maximum resistance at 25℃ one hour after reflow | R1max | 0.025 | Ω | 25℃, measured one hour after reflow soldering 260℃ for 20 s | 2 | ||
| Maximum time to trip | Ttrip | 5 | s | At assigned trip current 8.0 A | 2 | ||
| Typical power dissipation in still air | Pdtyp | 1.2 | W | Typical power dissipated by the device in the tripped state in still air | 2 | ||
| Recommended storage temperature (maximum) | 40 | ℃ | Recommended storage conditions | 2 | |||
| Recommended storage relative humidity (maximum) | 70 | %R.H. | Recommended storage conditions | 2 |
CAD (KiCad official)
- Symbol:
SL1210250 - Footprint:
Fuse:Fuse_1210_3225Metric - 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files:
sl1210250-etched.step/sl1210250-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sl1210250.step/sl1210250.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TECHFUSE datasheet (5 pp, sha256
8ae482acc55ca041, retrieved 2026-10-16, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(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).