component
1206TD-4A
Public Made by Adomby adom
prosemi Disposable Fuses, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 2d ago |
| viewers | 2d ago |
| 1206td-4a-etched.glb | 2d ago |
| 1206td-4a-etched.step | 2d ago |
| 1206td-4a-hero.glb | 2d ago |
| 1206td-4a-hero.overlay.json | 2d ago |
| 1206td-4a.glb | 2d ago |
| 1206td-4a.kicad_mod | 2d ago |
| 1206td-4a.kicad_sym | 2d ago |
| 1206td-4a.lbr | 2d ago |
| 1206td-4a.step | 2d ago |
| package.json | 2d ago |
| page.json | 2d ago |
| README.md | 2d ago |
1206TD-4A
prosemi · Disposable Fuses · 1206
1206TD-4A from prosemi, 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 | Fuse terminal 1 (interchangeable with terminal 2); 4.00 A rated time-delay element with 0.033 ohm typical cold resistance and 0.175 V typical drop at rated current. |
| 2 | 2 | passive | Fuse terminal 2 (interchangeable with terminal 1); 4.00 A rated time-delay element, one-time positive disconnect, operating temperature -55 to 125°C. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | prosemi |
| 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 |
|---|---|---|---|---|---|---|---|
| Opening time at 100% of amp rating (0.75~30A) | 4 | Hours | 100% of amp rating, 0.75~30A | 1 | |||
| Opening time at 250% of amp rating (0.75~5A) | 5 | Seconds | 250% of amp rating, 0.75~5A | 1 | |||
| Opening time at 300% of amp rating (0.75~5A) | 0.1 | 3 | sec | 300% of amp rating, 0.75~5A | 1 | ||
| Opening time at 1000% of amp rating (0.75~30A) | 0.2 | 20 | ms | 1000% of amp rating, 0.75~30A | 1 | ||
| Operating temperature | -55 | 125 | °C | Operating temperature | 2 | ||
| Wave soldering temperature | 260 | °C | Wave soldering, 10 seconds max. | 2 | |||
| Infrared reflow temperature | 260 | °C | Infrared reflow, 30 seconds max. | 2 | |||
| Average ramp-up rate (Tsmax to Tp) | 3 | °C/second | Average ramp-up rate, Tsmax to Tp | 2 | |||
| Average ramp-down rate (Tp to Tsmax) | 6 | °C/second | Average ramp-down rate, Tp to Tsmax | 2 | |||
| Preheat temperature (Tsmin to Tsmax) | 150 | 200 | °C | Preheat, time Tsmin to Tsmax 60-120 seconds | 2 | ||
| Ampere rating | 4 | A | Nominal rated current for 1206TD-4A | 1 | |||
| Typical cold resistance | 0.033 | Ohms | DC cold resistance, measured at <10% of rated current in ambient 25°C | 1 | |||
| Typical melting I2t | 3.1 | A Sec | Measured at 10In current | 1 | |||
| Typical voltage drop | 0.175 | V | Measured at rated current after temperature has stabilized | 1 |
CAD (KiCad official)
- Symbol:
1206TD-4A - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
1206td-4a-etched.step/1206td-4a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1206td-4a.step/1206td-4a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: prosemi datasheet (3 pp, sha256
417cc80078d635cf, retrieved 2026-10-19, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(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).