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Contents

README

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046701.5NRHF

Littelfuse · Disposable Fuses · 0603

046701.5NRHF 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 tin-over-nickel-over-copper end termination of the 1.5 A fast-acting thin-film fuse, interchangeable with the other terminal (rated 32 V, opens in 0.2 sec max at 300% of rating).
2 2 passive The other tin-over-nickel-over-copper end termination of the 1.5 A fast-acting thin-film fuse, interchangeable with the first terminal (rated 32 V, opens in 0.2 sec max at 300% of rating).

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
Rated current (Ampere Rating) for 046701.5NRHF (Amp Code 01.5) IRAT 1.5 A 1
Nominal cold resistance 0.0385 Ohms Measured at 10% of rated current, 25ºC (Electrical Specifications note 1) 1
Max voltage rating 32 V 1
Opening time at 100% of rated current 4 hours 100% of ampere rating, at 25°C; minimum 1
Opening time at 200% of rated current 5 sec. 200% of ampere rating, at 25°C; maximum 1
Opening time at 300% of rated current 0.2 sec. 300% of ampere rating, at 25°C; maximum 1
Nominal melting I2t I2t 0.0766 A2sec 1
Nominal voltage drop 71.6 mV 1
Nominal power dissipation 0.1074 W 1
Insulation resistance (after opening) 10000 ohms After opening; greater than 10,000 ohms 3
Operating temperature -55 90 °C Consult temperature re-rating curve; for operation above 90°C contact Littelfuse 3
Wave soldering temperature 260 °C Wave soldering, 10 seconds max. 2
Reflow maximum temperature 260 °C Do not exceed 260°C 2

CAD (KiCad official)

  • Symbol: 046701.5NRHF
  • Footprint: Fuse:Fuse_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: 046701-5nrhf-etched.step / 046701-5nrhf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 046701-5nrhf.step / 046701-5nrhf.glb are the bare package body.

Provenance

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

  • Datasheet: Littelfuse datasheet (3 pp, sha256 0aa35cb97b8a93a3, 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