component
SL1206400
Public Made by Adomby adom
TECHFUSE Resettable Fuses, 1206. 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
markdownSL1206400
TECHFUSE · Resettable Fuses · 1206
SL1206400 from TECHFUSE, in a 1206. 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 | First terminal of the non-polarized resettable PTC fuse, with 4.00 A hold current, 8.0 A trip current and 6.0 V maximum voltage at 25°C. |
| 2 | 2 | passive | Second terminal of the non-polarized resettable PTC fuse, interchangeable with the first, with 50 A maximum fault current at rated voltage. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TECHFUSE |
| Package | 1206 |
| 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 | IH | 4 | A | 25℃ or 60℃ still air; reflow soldering 260℃ for 20 sec | 2 | ||
| Trip current | IT | 8 | A | 25℃ still air; reflow soldering 260℃ for 20 sec | 2 | ||
| Maximum continuous voltage | Vmax | 6 | V | At rated current | 2 | ||
| Maximum fault current | Imax | 50 | A | At rated voltage | 2 | ||
| Maximum time to trip | Ttrip | 5 | s | At 16.0 A assigned current; reflow soldering 260℃ for 20 sec | 2 | ||
| Minimum resistance (initial, un-soldered) | Rmin | 0.001 | Ω | Initial (un-soldered) state | 2 | ||
| Maximum resistance (initial, un-soldered) | Rmax | 0.007 | Ω | Initial (un-soldered) state | 2 | ||
| Maximum resistance after reflow | R1max | 0.018 | Ω | 25℃, one hour after reflow soldering 260℃ for 20 sec; PWB with 1.5oz copper traces | 2 | ||
| Resistance change after vibration | -5 | 5 | % | MIL-STD-883C Method 2007.1 Condition A | 2 | ||
| Recommended storage temperature | 40 | ℃ | Recommended storage conditions | 2 | |||
| Recommended storage humidity | 70 | % R.H. | Recommended storage conditions | 2 | |||
| Typical power dissipation | Pdtyp | 1.5 | W | Tripped state, still air environment | 2 | ||
| Hold current at ambient temperature -40℃ | IH | 5.4 | A | Maximum ambient operating temperature -40℃ (derating table) | 3 | ||
| Hold current at ambient temperature -20℃ | IH | 4.7 | A | Maximum ambient operating temperature -20℃ (derating table) | 3 | ||
| Hold current at ambient temperature 0℃ | IH | 4.3 | A | Maximum ambient operating temperature 0℃ (derating table) | 3 | ||
| Hold current at ambient temperature 25℃ | IH | 4 | A | Maximum ambient operating temperature 25℃ (derating table) | 3 | ||
| Hold current at ambient temperature 40℃ | IH | 3.3 | A | Maximum ambient operating temperature 40℃ (derating table) | 3 | ||
| Hold current at ambient temperature 50℃ | IH | 3 | A | Maximum ambient operating temperature 50℃ (derating table) | 3 | ||
| Hold current at ambient temperature 60℃ | IH | 2.7 | A | Maximum ambient operating temperature 60℃ (derating table) | 3 | ||
| Hold current at ambient temperature 70℃ | IH | 2.3 | A | Maximum ambient operating temperature 70℃ (derating table) | 3 |
CAD (KiCad official)
- Symbol:
SL1206400 - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
sl1206400-etched.step/sl1206400-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sl1206400.step/sl1206400.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TECHFUSE datasheet (4 pp, sha256
cf3d6cb18e8e5a3e, retrieved 2026-10-17, 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).