component
SMD1206P025TF
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RUILON Shenzhen Ruilongyuan Elec 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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SMD1206P025TF
RUILON Shenzhen Ruilongyuan Elec · Resettable Fuses · 1206
SMD1206P025TF from RUILON Shenzhen Ruilongyuan Elec, 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 | RUILON Shenzhen Ruilongyuan Elec |
| 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 trip current | Itrip | 0.5 | A | 25°C still air | 2 | ||
| Maximum operating voltage (Vmax) | Vmax | 16 | VDC | at rated current Imax | 2 | ||
| Maximum fault current (Imax) | Imax | 10 | A | at rated voltage Vmax | 2 | ||
| Minimum resistance before tripping | Rimin | 0.35 | Ω | 25°C, prior to tripping | 2 | ||
| Maximum resistance one hour post reflow | R1max | 2.5 | Ω | measured one hour post reflow | 2 | ||
| Maximum time to trip | Tmax | 0.08 | S | at 8.00 A | 2 | ||
| Hold current | Ihold | 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 | ||
| 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 tripped state | 1 | |||
| Peak reflow temperature | TP | 260 | °C | Pb-free reflow; printed 260 +0/-5°C; do not exceed 260°C | 5 | ||
| Hold current derated at ambient | Ih | 0.37 | A | ambient -40 ºC | 4 | ||
| Hold current derated at ambient | Ih | 0.33 | A | ambient -20 ºC | 4 | ||
| Hold current derated at ambient | Ih | 0.29 | A | ambient 0 ºC | 4 | ||
| Hold current derated at ambient | Ih | 0.25 | A | ambient 25 ºC | 4 | ||
| Hold current derated at ambient | Ih | 0.22 | A | ambient 40 ºC | 4 | ||
| Hold current derated at ambient | Ih | 0.2 | A | ambient 50 ºC | 4 | ||
| Hold current derated at ambient | Ih | 0.17 | A | ambient 60 ºC | 4 | ||
| Hold current derated at ambient | Ih | 0.15 | A | ambient 70 ºC | 4 | ||
| Hold current derated at ambient | Ih | 0.12 | A | ambient 85 ºC | 4 |
CAD (KiCad official)
- Symbol:
SMD1206P025TF - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
smd1206p025tf-etched.step/smd1206p025tf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smd1206p025tf.step/smd1206p025tf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: RUILON Shenzhen Ruilongyuan Elec datasheet (10 pp, sha256
359769cf8456c150, retrieved 2026-10-19, 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).
# SMD1206P025TF
**RUILON Shenzhen Ruilongyuan Elec** · Resettable Fuses · 1206
SMD1206P025TF from RUILON Shenzhen Ruilongyuan Elec, 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 | RUILON Shenzhen Ruilongyuan Elec |
| 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 trip current | Itrip | 0.5 | | | A | 25°C still air | 2 |
| Maximum operating voltage (Vmax) | Vmax | | | 16 | VDC | at rated current Imax | 2 |
| Maximum fault current (Imax) | Imax | | | 10 | A | at rated voltage Vmax | 2 |
| Minimum resistance before tripping | Rimin | 0.35 | | | Ω | 25°C, prior to tripping | 2 |
| Maximum resistance one hour post reflow | R1max | | | 2.5 | Ω | measured one hour post reflow | 2 |
| Maximum time to trip | Tmax | | | 0.08 | S | at 8.00 A | 2 |
| Hold current | Ihold | | 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 |
| 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 tripped state | 1 |
| Peak reflow temperature | TP | | | 260 | °C | Pb-free reflow; printed 260 +0/-5°C; do not exceed 260°C | 5 |
| Hold current derated at ambient | Ih | | 0.37 | | A | ambient -40 ºC | 4 |
| Hold current derated at ambient | Ih | | 0.33 | | A | ambient -20 ºC | 4 |
| Hold current derated at ambient | Ih | | 0.29 | | A | ambient 0 ºC | 4 |
| Hold current derated at ambient | Ih | | 0.25 | | A | ambient 25 ºC | 4 |
| Hold current derated at ambient | Ih | | 0.22 | | A | ambient 40 ºC | 4 |
| Hold current derated at ambient | Ih | | 0.2 | | A | ambient 50 ºC | 4 |
| Hold current derated at ambient | Ih | | 0.17 | | A | ambient 60 ºC | 4 |
| Hold current derated at ambient | Ih | | 0.15 | | A | ambient 70 ºC | 4 |
| Hold current derated at ambient | Ih | | 0.12 | | A | ambient 85 ºC | 4 |
## CAD (KiCad official)
- Symbol: `SMD1206P025TF`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `smd1206p025tf-etched.step` / `smd1206p025tf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smd1206p025tf.step` / `smd1206p025tf.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [RUILON Shenzhen Ruilongyuan Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586172369706889216) (10 pp, sha256 `359769cf8456c150`, retrieved 2026-10-19, 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/smd1206p025tf-datasheet.pdf)