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SL1210500
Public Made by Adomby adom
TECHFUSE 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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README
markdownSL1210500
TECHFUSE · Resettable Fuses · 1210
SL1210500 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 | One end-cap terminal of the non-polarized SL1210500 PPTC, rated 5.00 A hold, 10.0 A trip, 6.0 V max and 50 A max fault current. |
| 2 | 2 | passive | Other end-cap terminal of the non-polarized SL1210500 PPTC, in series with the protected line and rated 5.00 A hold, 10.0 A trip, 6.0 V max and 50 A max fault current. |
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 (max current at which device does not trip, 25°C still air) | IH | 5 | A | 25°C still air; reflow 260°C for 20 s | 2 | ||
| Trip current (min current at which device always trips, 25°C still air) | IT | 10 | A | 25°C still air; reflow 260°C for 20 s | 2 | ||
| Maximum continuous voltage at rated current | Vmax | 6 | V | At rated current | 2 | ||
| Maximum fault current (without damage at rated voltage) | Imax | 50 | A | At rated voltage | 2 | ||
| Typical power dissipation in tripped state, still air | Pdtyp | 1.5 | W | Typical, tripped state, air environment | 2 | ||
| Maximum time to trip | Ttrip | 5 | s | At 16.0 A trip current | 2 | ||
| Minimum resistance in initial (un-soldered) state | Rmin | 0.001 | Ω | Initial un-soldered state | 2 | ||
| Maximum resistance in initial (un-soldered) state | Rmax | 0.006 | Ω | Initial un-soldered state | 2 | ||
| Maximum resistance at 25°C one hour after reflow | R1max | 0.012 | Ω | 25°C, measured one hour after reflow soldering 260°C for 20 s; PWB with 0.030 in 1.5 oz copper traces | 2 | ||
| Resistance change, vibration | -5 | 5 | % | MIL-STD-883C Method 2007.1 Condition A | 2 | ||
| Recommended storage temperature | 40 | °C | Recommended storage conditions, 70% R.H. max | 2 | |||
| Hold current at ambient temperature | IH | 7.5 | A | Ambient -40 °C | 3 | ||
| Hold current at ambient temperature | IH | 6.7 | A | Ambient -20 °C | 3 | ||
| Hold current at ambient temperature | IH | 5.8 | A | Ambient 0 °C | 3 | ||
| Hold current at ambient temperature | IH | 5 | A | Ambient 25 °C | 3 | ||
| Hold current at ambient temperature | IH | 4.3 | A | Ambient 40 °C | 3 | ||
| Hold current at ambient temperature | IH | 3.9 | A | Ambient 50 °C | 3 | ||
| Hold current at ambient temperature | IH | 3.5 | A | Ambient 60 °C | 3 | ||
| Hold current at ambient temperature | IH | 3.1 | A | Ambient 70 °C | 3 |
CAD (KiCad official)
- Symbol:
SL1210500 - Footprint:
Fuse:Fuse_1210_3225Metric - 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files:
sl1210500-etched.step/sl1210500-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sl1210500.step/sl1210500.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TECHFUSE datasheet (5 pp, sha256
8ae482acc55ca041, retrieved 2026-10-18, 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).