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S0603-SD-1.5A

SART Nanjing Sart Tech · Disposable Fuses · 0603

S0603-SD-1.5A 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 One termination of the non-polarized fuse (silver over tin-plated), rated 1.5 A, 63 V, interrupting rating 50 A 63 V DC.
2 2 passive Other termination of the non-polarized fuse (silver over tin-plated), rated 1.5 A, 63 V, interrupting rating 50 A 63 V DC.

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 100% of rated current 4 hours 100% of current rating 3
Opening time at 250% of rated current 5 sec 250% of current rating 3
Opening time at 1000% of rated current 0.3 ms 1000% of current rating 3
Voltage drop deviation between mean values 15 % 100% of current rating 4
Solderability coverage 95 % 240±5°C, 3±0.5 s 4
Endurance resistance change /ΔR/ 10 % 100 cycles of 1In, 1h ON / 15min OFF, then 1.25In 4
Endurance temperature rise 75 °C Endurance test, 1.25In 4
High temperature operating life resistance change /ΔR/ 10 % T=70±2°C, 60%In, 96 hours 4
Humidity (steady state) resistance change /ΔR/ 10 % T=40±2°C, 90-95%RH, 1000 hours 4
Low temperature storage resistance change /ΔR/ 10 % T=-55±3°C, 96 hours 4
High temperature storage resistance change /ΔR/ 10 % T=125±2°C, 96 hours 4
Thermal shock resistance change /ΔR/ 10 % 100 cycles between -65°C/+125°C, 60 min each extreme 4
Salt spray resistance change /ΔR/ 10 % 5% salt solution, 48 hours 4
Resistance to soldering resistance change /ΔR/ 10 % 260±5°C, 10±0.5 sec 4
Bending test resistance change /ΔR/ 10 % Distance between holding points 90 mm, bending 1 mm, 10 s 4
Operating temperature -55 125 °C Operating temperature range 1
Recommended storage ambient temperature 5 30 °C Storage 6
Recommended storage relative humidity 25 60 %RH Storage 6
Rated current 1.5 A 1
Rated voltage 63 V 1
Interrupting rating 50 A 63 V DC; printed once in a merged cell shared by all ratings 1
Typical cold DCR 87 mΩ Measured at ≤10% rated current and 25°C 1
Typical melting I²T 0.18 A²s Melting I²T at 10 times rated current 1

CAD (KiCad official)

  • Symbol: S0603-SD-1.5A
  • Footprint: Fuse:Fuse_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: s0603-sd-1-5a-etched.step / s0603-sd-1-5a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); s0603-sd-1-5a.step / s0603-sd-1-5a.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 5bef58c6bc3adaae, retrieved 2026-10-15, 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