component
KNSMD050
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.
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KNSMD050
KUU · Resettable Fuses · 1206
KNSMD050 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 |
|---|---|---|---|---|---|---|---|
| Holding current (maximum current at which device will not trip) | IH | 0.5 | A | 25℃ still air | 1 | ||
| Tripping current (minimum current at which device will trip) | IT | 1 | A | 25℃ still air | 1 | ||
| Maximum voltage device can withstand without damage | Vmax | 16 | V | at rated current | 1 | ||
| Maximum fault current device can withstand without damage | I max | 40 | A | at rated voltage | 1 | ||
| Maximum time to trip | T trip | 0.1 | s | at assigned current of 8.00 A | 1 | ||
| Minimum resistance of device prior to trip | R min | 0.15 | Ω | at 25℃ | 1 | ||
| Maximum resistance one hour post reflow | R1 max | 0.75 | Ω | measured one hour post reflow at 25℃ | 1 | ||
| Maximum ambient operating temperature range (thermal derating table) | -40 | 85 | ℃ | thermal derating table, ambient temperature from -40℃ to 85℃ | 1 | ||
| Reflow peak temperature (recommended profile) | 260 | ℃ | solder reflow recommended profile | 1 | |||
| Average ramp-up rate | 3 | ℃/second | solder reflow recommended profile | 1 | |||
| Ramp-down rate | 6 | ℃/second | solder reflow recommended profile | 1 | |||
| Rated working power | Pd | 0.4 | W | 1 |
CAD (KiCad official)
- Symbol:
KNSMD050 - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
knsmd050-etched.step/knsmd050-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);knsmd050.step/knsmd050.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KUU datasheet (1 pp, sha256
82488d1d5c54c668, 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).
# KNSMD050
**KUU** · Resettable Fuses · 1206
KNSMD050 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 |
|---|---|---|---|---|---|---|---|
| Holding current (maximum current at which device will not trip) | IH | | | 0.5 | A | 25℃ still air | 1 |
| Tripping current (minimum current at which device will trip) | IT | 1 | | | A | 25℃ still air | 1 |
| Maximum voltage device can withstand without damage | Vmax | | | 16 | V | at rated current | 1 |
| Maximum fault current device can withstand without damage | I max | | | 40 | A | at rated voltage | 1 |
| Maximum time to trip | T trip | | | 0.1 | s | at assigned current of 8.00 A | 1 |
| Minimum resistance of device prior to trip | R min | 0.15 | | | Ω | at 25℃ | 1 |
| Maximum resistance one hour post reflow | R1 max | | | 0.75 | Ω | measured one hour post reflow at 25℃ | 1 |
| Maximum ambient operating temperature range (thermal derating table) | | -40 | | 85 | ℃ | thermal derating table, ambient temperature from -40℃ to 85℃ | 1 |
| Reflow peak temperature (recommended profile) | | | | 260 | ℃ | solder reflow recommended profile | 1 |
| Average ramp-up rate | | | | 3 | ℃/second | solder reflow recommended profile | 1 |
| Ramp-down rate | | | | 6 | ℃/second | solder reflow recommended profile | 1 |
| Rated working power | Pd | | 0.4 | | W | | 1 |
## CAD (KiCad official)
- Symbol: `KNSMD050`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `knsmd050-etched.step` / `knsmd050-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `knsmd050.step` / `knsmd050.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [KUU datasheet](docs/knsmd050-datasheet.pdf) (1 pp, sha256 `82488d1d5c54c668`, retrieved 2026-10-16, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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).
[Datasheet PDF](docs/knsmd050-datasheet.pdf)