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0438006.WRGT

Littelfuse · Disposable Fuses · 0603

0438006.WRGT 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 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 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
Opening time at 100% of ampere rating 4 hours 100% of ampere rating, at 25ºC; table prints '4 Hours, Minimum' 1
Opening time at 250% of ampere rating 5 seconds 250% of ampere rating, at 25ºC; table prints '5 Seconds, Maximum' 1
Operating temperature range -55 150 ºC Feature list: operating temperature from -55ºC to +150ºC 1
Maximum voltage rating (6A, amp code 006.) 24 V Max. voltage rating for 6 A, amp code 006. 1
Interrupting rating (6A, amp code 006.) 50 A 50A @ 24VDC/12VAC; AC tested at rated voltage with unity power factor, DC with time constant <0.8 msec 1
Nominal resistance (6A, amp code 006.) 0.0086 Ω Measured with <10% rated current 1
Nominal melting I2t (6A, amp code 006.) 1.444 A2Sec. Measured at 1 msec. opening time 1
Nominal voltage drop at rated current (6A, amp code 006.) 0.07 V Measured at rated current after temperature has stabilized 1
Nominal power dissipation at rated current (6A, amp code 006.) 0.42 W At rated current (6 A) 1
Continuous operating current derating 80 % of rated current Continuous operation; devices recommended to be operated at no more than 80% rated current 1
Peak reflow temperature 260 260 ºC Pb-free reflow profile: peak temperature TP 260 +0/-5 °C; do not exceed 260°C 2
Wave soldering temperature and time 260 ºC Wave soldering 260°C, 10 seconds max. 2

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 tin Terminations: Ag / Ni / Sn (100% Lead-free) Element Cover Coating: Lead-free Glass 3

CAD (KiCad official)

  • Symbol: 0438006.WRGT
  • Footprint: Fuse:Fuse_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: 0438006-wrgt-etched.step / 0438006-wrgt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 0438006-wrgt.step / 0438006-wrgt.glb are the bare package body.

Provenance

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

  • Datasheet: Littelfuse datasheet (3 pp, sha256 8955cda3ab3cbc54, retrieved 2026-10-19, 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