component
K1206L150
Public Made by Adomby adom
KUU Resettable Fuses, 1206. 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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Contents
README
markdownK1206L150
KUU · Resettable Fuses · 1206
K1206L150 from KUU, 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 | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | KUU |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum operating voltage (rated current) | V max | 16 | V dc | At rated current (Imax) | 1 | ||
| Maximum fault current (rated voltage) | I max | 35 | A | At rated voltage (Vmax) | 1 | ||
| Hold current | I hold | 1.5 | A | 25°C still air; device will not trip | 1 | ||
| Trip current | I trip | 3 | A | 25°C still air; device will always trip | 1 | ||
| Device resistance prior to tripping | Ri | 0.025 | Ω | 25°C, prior to tripping | 1 | ||
| Maximum device resistance one hour post reflow | R1max | 0.13 | Ω | Measured one hour post reflow | 1 | ||
| Resistance change, passive aging | -5 | 5 | % | +85°C, 1000 hrs (typical) | 1 | ||
| Resistance change, humidity aging | -5 | 5 | % | +85°C, 85% R.H., 168 hours (typical) | 1 | ||
| Resistance change, thermal shock | -33 | 33 | % | +85°C to -40°C, 20 times (typical) | 1 | ||
| Ambient operating temperature | -40 | 85 | °C | Ambient operating conditions | 1 | ||
| Maximum surface temperature in tripped state | 125 | °C | Device in the tripped state | 1 | |||
| Power dissipation in tripped state | Pd | 0.8 | W | Tripped state, 25°C still air, at rated voltage | 1 | ||
| Time to trip | 0.3 | Sec | At 8.00 A time-to-trip current | 1 | |||
| Storage temperature | 0 | 35 | °C | Storage condition | 2 | ||
| Storage relative humidity | 30 | 60 | %RH | Storage condition, 0°C~35°C | 2 | ||
| Preheat temperature | Ts | 150 | 200 | °C | Pb-free reflow profile, preheat | 2 | |
| Preheat time | 60 | 180 | seconds | Pb-free reflow profile, Ts min to Ts max | 2 | ||
| Time maintained above liquidus temperature | tL | 60 | 150 | seconds | Pb-free reflow profile, above TL 217°C | 2 | |
| Liquidus temperature | TL | 217 | °C | Pb-free reflow profile | 2 | ||
| Peak reflow temperature | Tp | 260 | °C | Pb-free reflow profile; devices may not meet specs if reflow exceeds profile | 2 | ||
| Average ramp-up rate (Ts max to Tp) | 3 | °C/second | Pb-free reflow profile | 2 | |||
| Ramp-down rate | 6 | °C/second | Pb-free reflow profile | 2 | |||
| Time from 25°C to peak temperature | 8 | minutes | Pb-free reflow profile | 2 |
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 Nickel-Copper | 3 |
CAD (KiCad official)
- Symbol:
K1206L150 - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
k1206l150-etched.step/k1206l150-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);k1206l150.step/k1206l150.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KUU datasheet (3 pp, sha256
8ecfcba6b435669a, 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).