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0603L075SLYR

Public Made by Adom

by adom

Littelfuse Resettable Fuses, 0603. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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0603L075SLYR

Littelfuse · Resettable Fuses · 0603

0603L075SLYR from Littelfuse, 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 of two interchangeable solder-plated copper terminals of the resettable PPTC, rated 0.75 A hold, 1.50 A trip, 6 Vdc max, 50 A max fault current.
2 2 passive Second of two interchangeable solder-plated copper terminals of the resettable PPTC, rated 0.75 A hold, 1.50 A trip, 6 Vdc max, 50 A max fault current.

Key specifications

Parameter Value
Manufacturer Littelfuse
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
Hold current I hold 0.75 A 20°C still air (datasheet definition: maximum current device passes without tripping) 2
Trip current I trip 1.5 A 20°C still air (datasheet definition: minimum current at which device trips) 2
Maximum voltage V max 6 Vdc 2
Maximum fault current I max 50 A at rated voltage (Vmax) 2
Minimum resistance (initial, un-soldered) R min 0.02 Ω initial un-soldered state 2
Maximum resistance after trip or reflow R 1max 0.165 Ω 20°C, measured one hour after tripping or reflow soldering of 260°C for 20 sec 2
Maximum time-to-trip 0.2 s at 8.00 A fault current 2
Passive aging resistance change -10 10 % +85°C, 1000 hours (typical resistance change) 4
Humidity aging resistance change -15 15 % +85°C, 85% R.H., 100 hours (typical resistance change) 4
Thermal shock resistance change -30 % MIL-STD-202 Method 107, +85°C/-40°C 20 times (typical resistance change) 4
Power dissipated in tripped state P d 0.6 W tripped state at 20°C still air 2
Operating temperature -40 85 °C 4
Maximum device surface temperature in tripped state 125 °C tripped state 4

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts Copper Terminal Material Solder-Plated Copper 4

CAD (KiCad official)

  • Symbol: 0603L075SLYR
  • Footprint: Fuse:Fuse_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: 0603l075slyr-etched.step / 0603l075slyr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 0603l075slyr.step / 0603l075slyr.glb are the bare package body.

Provenance

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

  • Datasheet: Littelfuse datasheet (7 pp, sha256 4299de209bcfb317, 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