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S1206-F-2.5A

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SART Nanjing Sart Tech Disposable Fuses, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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S1206-F-2.5A

SART Nanjing Sart Tech · Disposable Fuses · 1206

S1206-F-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 terminal plated with tin), non-polarized; rated 2.5A, 32V, with 50A at 32V DC interrupting rating.
2 2 passive Fuse terminal 2 (silver terminal plated with tin), non-polarized and interchangeable with terminal 1; rated 2.5A, 32V, with typical cold DCR of 33 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
Time to opening at 100% of rated current (no fusing) 4 hours 100% of current rating; no fusing 3
Time to opening at 250% of rated current 5 s 250% of current rating; applies to 1.0A~7.0A 3
Time to opening at 1000% of rated current 0.1 ms 1000% of current rating 3
Voltage drop: deviation between mean value 15 % 100% of current rating; IEC60127-4 4
Temperature rise ΔT 75 ℃ 100% of current rating 4
Endurance test resistance change /ΔR/ 10 % 100 cycles of 1In for 1h ON, 15min OFF, then 1h at 125%In 4
High temperature operating life resistance change /ΔR/ 10 % T=70℃±2℃, 60%In, 96 hours; no fusing 4
Humidity (steady state) resistance change /ΔR/ 10 % T=40℃±2℃, 90%~95%RH, 1000 hours 4
Low temperature storage resistance change /ΔR/ 10 % T=-55℃±3℃, 96 hours 4
High temperature storage resistance change /ΔR/ 10 % T=125℃±2℃, 96 hours 4
Salt spray resistance change /ΔR/ 10 % 5% salt solution, 48 hours 4
Thermal shock resistance change /ΔR/ 10 % 100 cycles between -65℃/+125℃, 60 minutes each extreme 4
Bending test resistance change /ΔR/ 10 % Distance between holding points 90mm; bending 1mm, time 10sec 4
Resistance to soldering resistance change /ΔR/ 10 % 260℃±5℃, 10sec±0.5sec 4
Solderability wetting coverage 95 % 240℃±5℃, 3sec±0.5sec 4
Interrupting rating 50 A 32V DC; without permanent arcing, ignition and bursting of fuse link; applies to 0.5A~3.5A (2.5A row) 1
Rated voltage 32 V DC 1
Rated current 2.5 A 1
Typical cold DCR 33 mΩ Measured at ≤10% rated current and 25℃ 1
Typical melting I2T I2T 0.1255 A2s Melting I2T at 10 times of rated current 1
Operating temperature -55 125 ℃ 1
Recommended storage ambient temperature 5 30 ℃ Storage 6
Recommended storage relative humidity 25 60 %RH Storage 6

CAD (KiCad official)

  • Symbol: S1206-F-2.5A
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: s1206-f-2-5a-etched.step / s1206-f-2-5a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); s1206-f-2-5a.step / s1206-f-2-5a.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: SART Nanjing Sart Tech datasheet (6 pp, sha256 9ec5bccb38f91b8f, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-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).

Datasheet PDF