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JFC0603-0750FS

Shenzhen JDT Fuse · Disposable Fuses · 0603

JFC0603-0750FS from Shenzhen JDT Fuse, 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 Fuse terminal 1 (unpolarized end cap); 0.750 A rated, 32V DC rated voltage, 50A DC breaking capacity, interchangeable with terminal 2.
2 2 passive Fuse terminal 2 (unpolarized end cap); 0.750 A rated, 32V DC rated voltage, 50A DC breaking capacity, interchangeable with terminal 1.

Key specifications

Parameter Value
Manufacturer Shenzhen JDT Fuse
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
Operating temperature -55 °C with proper correction factor applied 3
Operating temperature 150 °C with proper correction factor applied 3
Opening (no-open) time 4 hour at 1.0Ih (as printed) 2
Opening time 5 sec at 2.5Ih (as printed) 2
Preheat temperature (Tsmin) Tsmin 150 °C IR reflow, lead-free profile 4
Preheat temperature (Tsmax) Tsmax 200 °C IR reflow, lead-free profile 4
Preheat and soak time (tS) tS 60 150 Secs Time from Tsmin to Tsmax, lead-free profile 4
Average ramp-up rate (Tsmax to Tp) 3 °C/Secs IR reflow, lead-free profile 4
Time above liquidus (tL) tL 60 120 Secs IR reflow, lead-free profile 4
Peak package body temperature (TP) TP 260 °C IR reflow, lead-free profile 4
Average ramp-down rate (TP to Tsmax) 6 °C/Secs IR reflow, lead-free profile 4
Time from 25°C to peak temperature 8 Minutes IR reflow 4
Time in wave solder reservoir 10 Secs Wave solder, reservoir at 260°C 4
Liquidus temperature (TL) TL 217 °C IR reflow, lead-free profile 4
Rated current 0.75 A JFC0603-0750FS 3
Typical cold resistance 470 mΩ measured at <10% of rated current, ambient 25°C 3
Typical voltage drop 427 mV 3
Typical pre-arcing I2t I2t 0.009 A2Sec measured at 10In current 3
Breaking capacity (DC interrupting rating) 50 A measured at rated voltage, time constant of less than 50 microseconds, battery source 3

CAD (KiCad official)

  • Symbol: JFC0603-0750FS
  • Footprint: Fuse:Fuse_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: jfc0603-0750fs-etched.step / jfc0603-0750fs-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); jfc0603-0750fs.step / jfc0603-0750fs.glb are the bare package body.

Provenance

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

  • Datasheet: Shenzhen JDT Fuse datasheet (4 pp, sha256 51c33a5e4e1ad242, retrieved 2026-10-14, 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