component
SL1210550
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.
Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 22d ago |
| viewers | 22d ago |
| package.json | 22d ago |
| page.json | 22d ago |
| README.md | 22d ago |
| sl1210550-etched.glb | 22d ago |
| sl1210550-etched.step | 22d ago |
| sl1210550-hero.glb | 22d ago |
| sl1210550-hero.overlay.json | 22d ago |
| sl1210550.glb | 22d ago |
| sl1210550.kicad_mod | 22d ago |
| sl1210550.kicad_sym | 11d ago |
| sl1210550.lbr | 11d ago |
| sl1210550.step | 22d ago |
SL1210550
TECHFUSE · Resettable Fuses · 1210
SL1210550 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 that does not trip at 25°C) | IH | 5.5 | A | 25℃ still air; reflow soldering 260℃ for 20 sec | 2 | ||
| Trip current (minimum current that always trips at 25°C) | IT | 11 | A | 25℃ still air; reflow soldering 260℃ for 20 sec | 2 | ||
| Minimum resistance, initial un-soldered state | Rmin | 0.0008 | Ω | 25℃, initial (un-soldered) state | 2 | ||
| Maximum resistance, initial un-soldered state | Rmax | 0.005 | Ω | 25℃, initial (un-soldered) state | 2 | ||
| Maximum resistance one hour after reflow | R1max | 0.01 | Ω | 25℃, measured one hour after reflow soldering 260℃ for 20 sec; PWB 0.030 in 1.5 oz copper traces | 2 | ||
| Maximum continuous voltage (rated voltage) | Vmax | 6 | V | at rated current | 2 | ||
| Maximum fault current | Imax | 50 | A | at rated voltage | 2 | ||
| Maximum time to trip | Ttrip | 20 | s | at assigned current; reflow soldering 260℃ for 20 sec | 2 | ||
| Recommended storage temperature (maximum) | 40 | ℃ | storage, 70% R.H. max | 2 | |||
| Typical power dissipation | Pdtyp | 1.5 | W | when in state air environment | 2 | ||
| Hold current at ambient temperature -40℃ (thermal derating) | 8.3 | A | thermal derating table, ambient -40℃ | 3 | |||
| Hold current at ambient temperature -20℃ (thermal derating) | 7.3 | A | thermal derating table, ambient -20℃ | 3 | |||
| Hold current at ambient temperature 0℃ (thermal derating) | 6.4 | A | thermal derating table, ambient 0℃ | 3 | |||
| Hold current at ambient temperature 25℃ (thermal derating) | 5.5 | A | thermal derating table, ambient 25℃ | 3 | |||
| Hold current at ambient temperature 40℃ (thermal derating) | 4.7 | A | thermal derating table, ambient 40℃ | 3 | |||
| Hold current at ambient temperature 50℃ (thermal derating) | 4.2 | A | thermal derating table, ambient 50℃ | 3 | |||
| Hold current at ambient temperature 60℃ (thermal derating) | 3.9 | A | thermal derating table, ambient 60℃ | 3 | |||
| Hold current at ambient temperature 70℃ (thermal derating) | 3.4 | A | thermal derating table, ambient 70℃ | 3 |
CAD (KiCad official)
- Symbol:
SL1210550 - Footprint:
Fuse:Fuse_1210_3225Metric - 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files:
sl1210550-etched.step/sl1210550-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sl1210550.step/sl1210550.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TECHFUSE datasheet (5 pp, sha256
8ae482acc55ca041, retrieved 2026-10-17, 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).