component

MINISMDC300F-2

Public Made by Adom

by adom

Littelfuse Resettable Fuses, 1812. 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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MINISMDC300F-2

Littelfuse · Resettable Fuses · 1812

MINISMDC300F-2 from Littelfuse, in a 1812. 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 Littelfuse
Package 1812
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 (min) 0.011 OHMS At 25°C 1
Resistance (max) 0.036 OHMS At 25°C; max measured 1 hour after reflow 1
Time to trip 5 SECONDS At 25°C, 8A 1
Tripped-state power dissipation 1 WATTS At 25°C, 6V 1
Maximum electrical rating - voltage 6 VDC 1
Maximum electrical rating - short circuit current 100 A 1
Hold current 3.3 AMPERES At 0°C 1
Trip current 7 AMPERES At 0°C 1
Hold current 3 AMPERES At 25°C 1
Trip current 6 AMPERES At 25°C 1
Hold current 2.35 AMPERES At 60°C 1
Trip current 4.56 AMPERES At 60°C 1

CAD (KiCad official)

  • Symbol: MINISMDC300F-2
  • Footprint: Fuse:Fuse_1812_4532Metric
  • 3D model: 1812, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.9 mm nominal 1806 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
  • 3D model files: minismdc300f-2-etched.step / minismdc300f-2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); minismdc300f-2.step / minismdc300f-2.glb are the bare package body.

Provenance

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

  • Datasheet: Littelfuse datasheet (2 pp, sha256 39abc3ad5cd600ed, retrieved 2026-10-15, 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