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RFS01J4R70A520NH

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Futaba Elec Through Hole Resistors, 插件,D3xL9mm. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

componentresistorsrfs01j4r70a520nhfactory-2.0.0extractor-text

Verified RFS01J4R70A520NH

by Ray · last 6 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

6 Nov 2026RayPublished by the parts factory: tier lcsc, 2 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: RFS01J4R70A520NH · R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: unpolarised two-terminal part: pins 1 and 2 by library convention, no names to check
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-n5geffnz/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 1 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 1 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ rfs01j4r70a520nh.kicad_sym✓ rfs01j4r70a520nh.kicad_mod✓ rfs01j4r70a520nh.step
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Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
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docs Publish 0.1.0 · Ray
viewers rfs01j4r70a520nh: viewers · Ray
package.json Publish 0.1.0 · Ray
page.json Set visibility: public · Ray
README.md Publish 0.1.0 · Ray
rfs01j4r70a520nh-hero.glb Publish 0.1.0 · Ray
rfs01j4r70a520nh-hero.overlay.json Publish 0.1.0 · Ray
rfs01j4r70a520nh.glb Publish 0.1.0 · Ray
rfs01j4r70a520nh.kicad_mod Publish 0.1.0 · Ray
rfs01j4r70a520nh.kicad_sym Publish 0.1.0 · Ray
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rfs01j4r70a520nh.step Publish 0.1.0 · Ray
verification.json Verified: Published by the parts factory: tier lcsc, 2 pins · Ray

RFS01J4R70A520NH

Futaba Elec · Through Hole Resistors · R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal

RFS01J4R70A520NH from Futaba Elec, in a R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal. 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 resistor; either orientation.
2 2 passive Terminal 2 of an unpolarised resistor; either orientation.

Key specifications

Parameter Value
Manufacturer Futaba Elec
Package R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal
Category Resistors
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
Resistance tolerance (J = ±5%, E24) -5 5 % Part-number tolerance code J (±5%), E24 series 16
Short time overload resistance change -2 2 % Plus ±0.05Ω additive; 4 times the rated power for 5 seconds 17
Load life resistance change -5 5 % Plus ±0.1Ω additive; rated voltage at 70ºC for 1,000 hours; 1.5hr ON / 0.5hr OFF cycles 17
Load life in humidity resistance change -5 5 % Plus ±0.1Ω additive; 10% rate power load; 40ºC, 95% RH for 1,000 hours; 1.5h ON / 0.5h OFF cycle 17
Moisture resistance resistance change -1 1 % Plus ±0.05Ω additive; 40ºC, 95% RH for 240 hours 17
Temperature cycle resistance change -1 1 % Plus ±0.05Ω additive; 5 cycles of -25ºC (30min), room temp (30min), +85ºC (30min), room temp (30min) 17
Resistance to soldering heat resistance change -1 1 % Plus ±0.05Ω additive; 260ºC ±5ºC for 10 seconds (solder bath); 350ºC ±10ºC for 3.5 seconds (hand soldering) 17
Soldeability coverage 95 % Minimum 95% coverage; solder temperature 245ºC ±5ºC; immersion duration 3s ±0.5s 17
Insulation resistance 1000 MΩ 500V insulation test for 1 min 17
Residual resistance after fusing 100 times nominal resistance Fusing characteristics: residual resistance ≥ 100 times nominal resistance 17
Max. working voltage 250 V Rated power S1/2, S1, P2 row (small type S1 = 1W) 16
Max. overload voltage 300 V Rated power S1/2, S1, P2 row (small type S1 = 1W) 16
Dielectric withstanding voltage 250 V Rated power S1/2, S1, P2 row (small type S1 = 1W) 16
Temperature coefficient of resistance TCR -350 350 ppm/ºC J±5% (E24) column; printed as ±350ppm/ºC 16
Rated power 1 W Small type S1 (part-number code 01 = 1W) 16

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 1 端子線 Lead wire 5 電 鍍 錫 Tin plating 2 瓷 棒 Ceramic base 54

CAD (KiCad official)

  • Symbol: RFS01J4R70A520NH
  • Footprint: Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal
  • 3D model: R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Futaba Elec datasheet (71 pp, sha256 69880a3cd7d8f2ba, retrieved 2026-11-06, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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