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S1206-FC-2.5A
Public Made by Adomby adom
SART Nanjing Sart Tech Disposable Fuses, 1206. Pinout cross-checked by two models against the datasheet, 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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README
markdownS1206-FC-2.5A
SART Nanjing Sart Tech · Disposable Fuses · 1206
S1206-FC-2.5A from SART Nanjing Sart Tech, 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 (silver termination), non-polarized; S1206-FC-2.5A is rated 2.5 A, 100 V, with 50 A at 100 V DC interrupting rating. |
| 2 | 2 | passive | Fuse terminal 2 (silver termination), non-polarized; interchangeable with terminal 1, typical cold DCR 64.5 mΩ. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | SART Nanjing Sart Tech |
| 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 |
|---|---|---|---|---|---|---|---|
| Voltage Rating | 100 | V | 1 | ||||
| Interrupting Rating | 50 | A | 100V DC | 1 | |||
| Opening time at 100% of current rating | 4 | hours | 100% of current rating, no fusing | 3 | |||
| Opening time at 350% of current rating | 5 | sec | 350% of current rating | 3 | |||
| Opening time at 1000% of current rating | 0.1 | ms | 1000% of current rating | 3 | |||
| Voltage Drop | 300 | mV | 100% of current rating | 4 | |||
| Endurance resistance change /ΔR/ | ΔR | 10 | % | Endurance: 100 cycles of 1In, then 1.25In | 4 | ||
| Endurance temperature rise | ΔT | 75 | ℃ | Endurance: 100 cycles of 1In, then 1.25In | 4 | ||
| Operating temperature | -55 | 125 | ℃ | operating temperature | 1 | ||
| Recommended storage ambient temperature | 5 | 30 | ℃ | storage | 6 | ||
| Recommended storage relative humidity | 25 | 60 | %RH | storage | 6 | ||
| Infrared reflow peak temperature | 260 | ℃ | infrared reflow, 5 sec max | 5 | |||
| Wave soldering reservoir temperature | 260 | ℃ | wave soldering, 10 sec max in reservoir | 5 | |||
| Hand soldering temperature | 350 | ℃ | hand soldering, 5 sec max | 5 | |||
| Current Rating | 2.5 | A | 1 | ||||
| Typical cold DCR | 64.5 | mΩ | measured at ≤10% rated current and 25℃; resistance on coating surface | 1 | |||
| Typical I2T | I2T | 0.125 | A2s | melting I2T at 10 times rated current | 1 |
CAD (KiCad official)
- Symbol:
S1206-FC-2.5A - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
s1206-fc-2-5a-etched.step/s1206-fc-2-5a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);s1206-fc-2-5a.step/s1206-fc-2-5a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: SART Nanjing Sart Tech datasheet (6 pp, sha256
245a6bbea43c2eb1, retrieved 2026-10-18, 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).