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Contents

README

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046602.5NR

Littelfuse · Disposable Fuses · 1206

046602.5NR from Littelfuse, in a 1206. 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 tin-plated end terminations of the 2.5 A fast-acting thin-film fuse (rated 32 V AC/DC, 50 A interrupting rating).
2 2 passive Second interchangeable tin-plated end termination of the 2.5 A fast-acting thin-film fuse (rated 32 V AC/DC, 50 A interrupting rating).

Key specifications

Parameter Value
Manufacturer Littelfuse
Package 1206
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
Maximum voltage rating (2.50 A, 032/02.5 row) 32 V 1
Interrupting rating 50 A @ 32VAC/VDC 1
Opening time at 100% of ampere rating 4 hours 100% of ampere rating, 25°C 1
Opening time at 200% of ampere rating 5 sec. 200% of ampere rating, 25°C 1
Opening time at 300% of ampere rating 0.2 sec. 300% of ampere rating, 25°C 1
Insulation resistance (after opening) 10000 ohms After opening 3
Operating temperature -55 90 °C Consult temperature re-rating curve chart 3
Reflow peak temperature (TP), Pb-free assembly TP 260 °C Pb-free reflow; do not exceed 260°C 2
Wave soldering temperature 260 °C Wave soldering 2
Wave soldering time 10 seconds Wave soldering, 260°C 2
Ampere rating 2.5 A 1
Nominal cold resistance 0.023 Ohms 1
Nominal melting I2t 0.3516 A2 sec 1
Nominal voltage drop 76.99 mV 1
Nominal power dissipation 0.1925 W 1

CAD (KiCad official)

  • Symbol: 046602.5NR
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: 046602-5nr-etched.step / 046602-5nr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 046602-5nr.step / 046602-5nr.glb are the bare package body.

Provenance

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

  • Datasheet: Littelfuse datasheet (3 pp, sha256 62b449e2a25e303b, 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