component
nSMD025-24V
Public Made by Adomby adom
TECHFUSE 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
markdownnSMD025-24V
TECHFUSE · Resettable Fuses · 1206
nSMD025-24V 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 | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
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 |
|---|---|---|---|---|---|---|---|
| Minimum device resistance prior to tripping (25°C) | Rimin | 0.35 | W | 25°C, prior to tripping | 2 | ||
| Maximum device resistance one hour post reflow | R1max | 2.5 | W | Measured one hour post reflow | 2 | ||
| Maximum operating voltage at rated current | Vmax | 24 | Vdc | At rated current (Imax) | 2 | ||
| Maximum fault current at rated voltage | Imax | 100 | A | At rated voltage (Vmax) | 2 | ||
| Trip current (minimum current that always trips) | Itrip | 0.5 | A | 25°C still air | 2 | ||
| Hold current (maximum current that will not trip) | Ihold | 0.25 | 0.25 | A | 25°C still air | 2 | |
| Power dissipation in tripped state | Pd | 0.6 | W | Tripped state, 25°C still air, at rated voltage | 2 | ||
| Time to trip | 0.08 | Sec | At 8.00 A, 25°C still air | 2 | |||
| Ambient operating temperature | -40 | 85 | °C | 2 | |||
| Maximum surface temperature in tripped state | 125 | °C | Device in tripped state | 2 | |||
| Storage temperature | 40 | °C | Storage; 70% R.H. max | 4 | |||
| Resistance change, passive aging | -5 | 5 | % | +85°C, 1000 hrs; typical | 2 | ||
| Resistance change, humidity aging | -5 | 5 | % | +85°C, 85% R.H., 168 hours; typical | 2 | ||
| Resistance change, thermal shock | -33 | 33 | % | +85°C to -40°C, 20 times; typical | 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 | α = Trademark A = Part identification Termination Pad Characteristics Terminal pad materials： Tin-plated Nickel-Copper Terminal pad solderability： Meets EIA specification RS186-9E and ANSI/J-STD-002 C | 3 |
CAD (KiCad official)
- Symbol:
nSMD025-24V - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
nsmd025-24v-etched.step/nsmd025-24v-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);nsmd025-24v.step/nsmd025-24v.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TECHFUSE datasheet (4 pp, sha256
cdb1f8a4e253c8dc, 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).