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MF0S4FF2402A50

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UNI ROYAL Uniroyal Elec Through Hole Resistors, 插件,D1.9xL3.3mm. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

componentresistorsmf0s4ff2402a50factory-2.0.0extractor-text

Verified MF0S4FF2402A50

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: MF0S4FF2402A50 · R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_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_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-_n0am996/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 1 records
  • •package_fit (skip): the datasheet dimensions give no height or body size to compare (datasheet p.4)
  • ✓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✓ mf0s4ff2402a50.kicad_sym✓ mf0s4ff2402a50.kicad_mod✓ mf0s4ff2402a50.step
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Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
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verification.json Verified: Published by the parts factory: tier lcsc, 2 pins · Ray

MF0S4FF2402A50

UNI ROYAL Uniroyal Elec · Through Hole Resistors · R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal

MF0S4FF2402A50 from UNI ROYAL Uniroyal Elec, in a R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_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 UNI ROYAL Uniroyal Elec
Package R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_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
Rated power P 0.25 W Part code S4 = 1/4W-S; printed as 1/4W 3
Resistance tolerance -1 1 % Part code digit 6 'F' = ±1% 3
Temperature coefficient TCR -50 50 PPM/℃ Part code digit 7 'F' = 50PPM; ±1% standard series, 1/4WS 5
Max working voltage 200 V MF 1/4WS, max working voltage 4
Resistance range minimum (standard ±1%) R 10 Ω Standard series ±1%, TCR ±50 PPM/℃ 5
Resistance range maximum (standard ±1%) R 1 MΩ Standard series ±1%, TCR ±50 PPM/℃ 5
Short-time overload ΔR/R ΔR/R -0.5 0.5 % 2.5× RCWV or max overload, 5 s; ±(0.5%+0.05 Ω) 6
Pulse overload ΔR/R ΔR/R -1 1 % 10,000 cycles, 1 s ON / 25 s OFF, 4× RCWV; ±(1%+0.05) 6
Resistance to soldering heat ΔR/R ΔR/R -1 1 % 260℃±5℃ solder, 10±1 s; ±(1%+0.05 Ω) 6
Rapid change of temperature ΔR/R ΔR/R -1 1 % -55℃ 30 min / 155℃ 30 min, 100 cycles; ±(1%+0.05 Ω) 6
Load life in humidity ΔR/R (normal type) ΔR/R -1.5 1.5 % 40℃±2℃, 90-95% RH, 1,000 h, 1.5 h ON / 0.5 h OFF, RCWV 6
Load life ΔR/R (normal type) ΔR/R -1.5 1.5 % 70℃±2℃ ambient, 1,000 h, 1.5 h ON / 0.5 h OFF, RCWV 6
Low temperature storage ΔR/R (normal type) ΔR/R -1.5 1.5 % -55℃, 2 h 6
High temperature exposure ΔR/R (normal type) ΔR/R -1.5 1.5 % 155℃, 16 h 6
Solderability coverage 95 % Solder at 245℃±3℃, dwell 2-3 s 6
Ambient operating temperature range T_A -55 155 ℃ Power rating derates with ambient temperature over -55 to 155℃ 5
Full rated power ambient temperature limit T_A 70 ℃ Power constant from -55 to 70℃, derates to zero at 155℃ 5

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 copper tin 4 Lead Wire Tin solder coated copper wire 5

CAD (KiCad official)

  • Symbol: MF0S4FF2402A50
  • Footprint: Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal
  • 3D model: R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: UNI ROYAL Uniroyal Elec datasheet (8 pp, sha256 58cca3f1fd846c5b, retrieved 2026-11-06, 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