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Contents

README

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JFC0603-1600FS

Shenzhen JDT Fuse · Disposable Fuses · 0603

JFC0603-1600FS 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 One end-cap terminal of the non-polarized JFC0603-1600FS 6 A fast-acting chip fuse (32V DC rated, 50A DC breaking capacity); the fuse is symmetric and the terminals are interchangeable.
2 2 passive Other end-cap terminal of the non-polarized JFC0603-1600FS 6 A fast-acting chip fuse (32V DC rated, 50A DC breaking capacity); the fuse is symmetric and the terminals are interchangeable.

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
Opening time at 1.0 x rated current (Ih) 4 hour 1.0Ih 2
Opening time at 2.5 x rated current (Ih) 5 sec 2.5Ih 2
Operating temperature -55 150 °C With proper correction factor applied (derating curve) 3
Rated current 6 A Part No. JFC0603-1600FS 3
DC breaking capacity (interrupting rating) 50 A Measured at rated voltage, time constant <50 microseconds, battery source 3
Typical cold resistance 11 mΩ Measured at <10% of rated current, ambient 25°C 3
Typical voltage drop 110 mV 3
Typical pre-arcing I2t I2t 1.7 A2Sec Measured at 10In current 3
Peak package body temperature (TP), Pb-free reflow TP 260 °C Recommended soldering profile, Pb-free solder 4
Time within 5°C of classification temperature (tP) tP 30 Secs Recommended soldering profile, Pb-free solder 4
Average ramp-up rate (Tsmax to Tp) 3 °C/Secs Recommended soldering profile, Pb-free solder 4
Average ramp-down rate (TP to Tsmax) 6 °C/Secs Recommended soldering profile, Pb-free solder 4
Time (25°C to peak temperature) 8 Minutes Recommended soldering profile, Pb-free solder 4

CAD (KiCad official)

  • Symbol: JFC0603-1600FS
  • Footprint: Fuse:Fuse_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: jfc0603-1600fs-etched.step / jfc0603-1600fs-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); jfc0603-1600fs.step / jfc0603-1600fs.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 2026-10-18, 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