component

SF-0603S040-2

Public Made by Adom

by adom

BOURNS Disposable Fuses, 0603. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
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docs Publish 0.1.0 · Ray 19d ago
viewers sf-0603s040-2: viewers · Ray 19d ago
package.json Publish 0.1.0 · Ray 19d ago
page.json Set visibility: public · Ray 19d ago
README.md Publish 0.1.0 · Ray 19d ago
sf-0603s040-2-etched.glb Publish 0.1.0 · Ray 19d ago
sf-0603s040-2-etched.step sf-0603s040-2: factory component page (tier=lcsc) · Ray 19d ago
sf-0603s040-2-hero.glb sf-0603s040-2: hero GLB from the etched model (keeps the MPN mark) · Ray 19d ago
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sf-0603s040-2.kicad_mod Publish 0.1.0 · Ray 19d ago
sf-0603s040-2.kicad_sym sf-0603s040-2: KiCad Device:Fuse symbol instead of a box (two-terminal passive) · Ray 11d ago
sf-0603s040-2.lbr sf-0603s040-2: KiCad Device:Fuse symbol instead of a box (two-terminal passive) · Ray 11d ago
sf-0603s040-2.step Publish 0.1.0 · Ray 19d ago

SF-0603S040-2

BOURNS · Disposable Fuses · 0603

SF-0603S040-2 from BOURNS, 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 BOURNS
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
Resistance 350 mΩ Measured with less than 10 % of rated current (0.40 A rated) 1
Resistance tolerance -25 25 % Printed as ±25 % in footnote *** 1
Fusing time 5 s Open within 5 sec. at 250 % rated current 1
Typical I2t 0.004 A2 s Measured at 10x rated current 1
Rated current 0.4 A 1
Rated voltage 50 V DC 1
Breaking capacity 50 A 1
Operating temperature -20 105 °C 1
Storage temperature 5 35 °C Storage conditions 1
Storage humidity 40 75 % Storage conditions 1
Temperature rise 75 °C 100 % of rated current, surface temperature 1
Resistance change, resistance to solder heat -20 20 % 260 °C ±5 °C, 10 seconds ±1 second 1
Resistance change, resistance to dry heat -20 20 % 105 °C ±5 °C, 1000 hours 1
Resistance change, thermal shock (DR) DR 10 % -20 °C / +25 °C / +125 °C / +25 °C, 10 cycles 1
Residual resistance 10 k ohms Measure DC resistance after fusing 1

CAD (KiCad official)

  • Symbol: SF-0603S040-2
  • Footprint: Fuse:Fuse_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: sf-0603s040-2-etched.step / sf-0603s040-2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sf-0603s040-2.step / sf-0603s040-2.glb are the bare package body.

Provenance

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

  • Datasheet: BOURNS datasheet (5 pp, sha256 cf582ee622bd9b27, retrieved 2026-10-21, 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