component
R12.100.4
Public Made by Adomby adom
Reomax Disposable 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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R12.100.4
Reomax · Disposable Fuses · 1206
R12.100.4 from Reomax, 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 | Reomax |
| 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 |
|---|---|---|---|---|---|---|---|
| Operating temperature | -55 | 125 | °C | Consult temperature rerating curve chart | 2 | ||
| Insulation resistance (after opening) | 10000 | ohms | After opening | 2 | |||
| Opening time at 300% of amp rating | 0.1 | 3 | s | 300% of amp rating, 1A~5A | 1 | ||
| Opening time at 250% of amp rating | 5 | s | 250% of amp rating, 1A~5A | 1 | |||
| Opening time at 1000% of amp rating | 0.2 | 20 | ms | 1000% of amp rating, 250mA~30A | 1 | ||
| Opening time at 100% of rated current | 4 | hours | 100% of rated current, 250mA~30A | 1 | |||
| Typical cold resistance | 90 | mOhms | 1 | ||||
| Typical pre-arcing I²t | 32 | A²Sec | 1 | ||||
| Typical voltage drop | 7 | mV | 1 | ||||
| Rated current | 4 | A | 1 |
CAD (KiCad official)
- Symbol:
R12.100.4 - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
r12-100-4-etched.step/r12-100-4-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);r12-100-4.step/r12-100-4.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Reomax datasheet (4 pp, sha256
ce9602d01dae68d4, 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).
# R12.100.4
**Reomax** · Disposable Fuses · 1206
R12.100.4 from Reomax, 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 | Reomax |
| 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 |
|---|---|---|---|---|---|---|---|
| Operating temperature | | -55 | | 125 | °C | Consult temperature rerating curve chart | 2 |
| Insulation resistance (after opening) | | 10000 | | | ohms | After opening | 2 |
| Opening time at 300% of amp rating | | 0.1 | | 3 | s | 300% of amp rating, 1A~5A | 1 |
| Opening time at 250% of amp rating | | | | 5 | s | 250% of amp rating, 1A~5A | 1 |
| Opening time at 1000% of amp rating | | 0.2 | | 20 | ms | 1000% of amp rating, 250mA~30A | 1 |
| Opening time at 100% of rated current | | 4 | | | hours | 100% of rated current, 250mA~30A | 1 |
| Typical cold resistance | | | 90 | | mOhms | | 1 |
| Typical pre-arcing I²t | | | 32 | | A²Sec | | 1 |
| Typical voltage drop | | | 7 | | mV | | 1 |
| Rated current | | | 4 | | A | | 1 |
## CAD (KiCad official)
- Symbol: `R12.100.4`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `r12-100-4-etched.step` / `r12-100-4-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `r12-100-4.step` / `r12-100-4.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Reomax datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757136715591372800) (4 pp, sha256 `ce9602d01dae68d4`, retrieved 2026-10-18, 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/r12-100-4-datasheet.pdf)