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Ray Publish 0.1.0 f3b0cce 7d ago

S0603-S-3.0A

SART Nanjing Sart Tech · Disposable Fuses · 0603

S0603-S-3.0A from SART Nanjing Sart Tech, in a 0603. 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 SART Nanjing Sart Tech
Package 0603
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 200% of rated current (1.0A~8.0A) 60 sec 200% of current rating, 1.0A~8.0A, SART SPEC. 3
Opening time at 1000% of rated current (1.0A~3.0A) 0.3 ms 1000% of current rating, 1.0A~3.0A 3
Voltage drop deviation between mean values 15 % 100% of current rating, IEC60127-4 4
Temperature rise ΔT 75 ℃ 100% of current rating, IEC60127-4 4
Endurance test resistance change /ΔR/ 10 % 100 cycles of 1In for 1h ON, 15min OFF, then 1h at 125%In, IEC60127-4 4
Resistance to soldering resistance change /ΔR/ 10 % 260℃±5℃, 10sec±0.5sec, MIL-STD-202 Method 210 4
High temperature operating life resistance change /ΔR/ 10 % T=70℃±2℃, 60%In, 96hours; no fusing, MIL-STD-202 Method 108 4
Humidity (steady state) resistance change /ΔR/ 10 % T=40℃±2℃, 90%~95%RH, 1000hours, MIL-STD-202 Method 103 4
Low temperature storage resistance change /ΔR/ 10 % T=-55℃±3℃, 96hours, IEC60068-2-1 4
High temperature storage resistance change /ΔR/ 10 % T=125℃±2℃, 96hours, IEC60068-2-2 4
Salt spray resistance change /ΔR/ 10 % 5% salt solution, 48hours 4
Thermal shock resistance change /ΔR/ 10 % 100 cycles between -65℃/+125℃, 60 minutes each extreme, MIL-STD-202 Method 107 4
Solderability wetting coverage 95 % 240℃±5℃, 3sec±0.5sec, IEC60127-4 4
Interrupting rating 50 A 32V DC, applies to 0.5A~3.5A rated range; without permanent arcing, ignition or bursting 4
Operating temperature -55 125 ℃ Operating temperature range per features 1
Storage temperature (recommended) 5 30 ℃ Recommended storage ambient 6
Storage relative humidity (recommended) 25 60 %RH Recommended storage 6
Rated current 3 A Ampere rating for S0603-S-3.0A 1
Voltage rating 32 V DC Voltage rating for S0603-S-3.0A 1
Typical cold DCR DCR 23 mΩ Measured at ≤10% rated current and 25℃ 1
Typical melting I2T I2T 0.7329 A2s Melting I2T at 10 times of rated current 1

CAD (KiCad official)

  • Symbol: S0603-S-3.0A
  • Footprint: Fuse:Fuse_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: s0603-s-3-0a-etched.step / s0603-s-3-0a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); s0603-s-3-0a.step / s0603-s-3-0a.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 83e9d8ffa6348cc6, 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