"This destroyed FIELDRON could further research into super-heated containment fields."

—In-Game Description

Fieldron Sample is a component that is used during energy research. It is commonly found from Corpus controlled planets in quantities of one but is also found in quantities of 2 or 3, with the latter (presumably) being a rare occurrence.

Farming Locations

These are based on opinions and may not be 100% true. These should be viewed as advice for finding the resource until better facts are proven.

Target Planet Name Type Level Tile Set
IconInfestedB Neptune Kelashin Survival (Dark Sector) 30 - 40 Infested Ship
IconInfestedB Mars Wahiba Survival (Dark Sector) 10 - 20 Corpus Ship
IconInfestedB Mars Kadesh Defense (Dark Sector) 10 - 20 Grineer Settlement

Blueprints Requiring Fieldron Sample

Click to view the Blueprints requiring Fieldron Samples.
Blueprints Type Quantity (Research)
ChainLightningGunEdit Amprex Primary (15)
Antiserum Injector Gear (10)
CrpShotgun Arca Plasmor Primary (200)
CrpScopePistol Arca Scisco Secondary (200)
CrpSplitRifle Convectrix Primary (20)
Cycron Cycron Secondary (90)
CorpusEnergyRifle Dera Primary (5)
DualCorpusMinigun Dual Cestra Secondary (10)
CrpGlaive Falcor Melee (550)
Ferrox Ferrox Primary (800)
Fieldron64 Fieldron Resource 10 (5)
CorpusLaserRifle Flux Rifle Primary (7)
CrpFreezeRayRifle Glaxion Primary (5)
Helios Sentinel (7)
CorpusSniperRifle Lanka Primary (10)
Lenz Lenz Primary (1,000)
CrpBFG Opticor Primary (10)
Prova8point2 Prova Melee (5)
CrpShockRifle Quanta Primary (10)
Corpuspolearm Serro Melee (5)
Spectra Spectra Secondary (7)
Squad Energy Restore (Medium) x1 Gear (25)
Squad Energy Restore (Medium) x10 Gear (25)
Squad Shield Restore (Medium) x1 Gear (30)
Squad Shield Restore (Medium) x10 Gear (30)
CrpElectroMag Staticor Secondary (30)
CorpusMachineGun Supra Primary (10)
Total 10 (+3,121)
Research LeaderBadgeGhostHolo x1   LeaderBadgeShadowHolo x3   LeaderBadgeStormHolo x10   LeaderBadgeMountainHolo x30   LeaderBadgeMoonHolo x100

Last updated: Hotfix 23.10.6


Patch History

Update: Specters of the Rail
  • Market Overhaul:
    • Fieldron Sample replaced with Fieldron - 1 for 10 Platinum.

Update 8.0

  • Introduced.

Last updated: Hotfix 25.7.6

See Also

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