component
K1210L050YR
Public Made by Adomby adom
KUU 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.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownK1210L050YR
KUU · Resettable Fuses · 1210
K1210L050YR from KUU, 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 | KUU |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum voltage (V max) | 13.2 | V | 1 | ||||
| Maximum current (I max) | 40 | A | 1 | ||||
| Minimum resistance (R min) | R min | 0.18 | Ω | 1 | |||
| Maximum resistance (R1 max) | R1 max | 0.9 | Ω | 1 | |||
| Hold current (IH) | IH | 0.5 | A | 25℃ | 1 | ||
| Trip current (IT) | IT | 1 | A | 1 | |||
| Time to trip | 0.1 | Sec. | 1 | ||||
| Power dissipation (Pd) | Pd | 0.6 | W | 1 | |||
| Hold current vs ambient temperature | IH | 0.66 | A | ambient -20℃ | 2 | ||
| Hold current vs ambient temperature | IH | 0.58 | A | ambient 0℃ | 2 | ||
| Hold current vs ambient temperature | IH | 0.5 | A | ambient 25℃ | 2 | ||
| Hold current vs ambient temperature | IH | 0.42 | A | ambient 40℃ | 2 | ||
| Hold current vs ambient temperature | IH | 0.38 | A | ambient 50℃ | 2 | ||
| Hold current vs ambient temperature | IH | 0.35 | A | ambient 60℃ | 2 | ||
| Hold current vs ambient temperature | IH | 0.29 | A | ambient 70℃ | 2 | ||
| Hold current vs ambient temperature | IH | 0.23 | A | ambient 85℃ | 2 | ||
| Hold current vs ambient temperature | IH | 0.76 | A | ambient -40℃ | 2 |
CAD (KiCad official)
- Symbol:
K1210L050YR - Footprint:
Fuse:Fuse_1210_3225Metric - 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files:
k1210l050yr-etched.step/k1210l050yr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);k1210l050yr.step/k1210l050yr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KUU datasheet (2 pp, sha256
f1983841a4373ecd, retrieved 2026-10-18, 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).