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MFR0W4F3603A50

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UNI ROYAL Uniroyal Elec Through Hole Resistors, 插件,D2.2xL6.5mm. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

componentresistorsmfr0w4f3603a50factory-2.0.0extractor-text

Verified MFR0W4F3603A50

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: MFR0W4F3603A50 · R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_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_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-ewq044oz/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✓ mfr0w4f3603a50.kicad_sym✓ mfr0w4f3603a50.kicad_mod✓ mfr0w4f3603a50.step
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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

markdown

MFR0W4F3603A50

UNI ROYAL Uniroyal Elec · Through Hole Resistors · R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal

MFR0W4F3603A50 from UNI ROYAL Uniroyal Elec, in a R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_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_DIN0207_L6.3mm_D2.5mm_P10.16mm_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 -1 1 % Order code F = ±1% (part-number 7th code) 8
Temperature coefficient of resistance -50 50 PPM/℃ ±1% ±50PPM/℃ Max.; test pattern room temp. (T1), room temp. +100℃ (T2) 7
Max working voltage (RCWV) 250 V MF 1/4W normal size 4
Max overload voltage 500 V MF 1/4W normal size 4
Dielectric withstanding voltage 500 V MF 1/4W normal size 4
Short-time overload resistance change -0.5 0.5 % Limit ±(0.5%+0.05Ω) Max.; potential of 2.5 times RCWV for 5 seconds 7
Pulse overload resistance change -1 1 % Limit ±(1%+0.05Ω) Max.; 10,000 cycles (1 second ON, 25 seconds OFF) at 4 times RCWV 7
Resistance to soldering heat resistance change -1 1 % Limit ±(1%+0.05Ω) Max.; leads immersed 2.0-2.5mm from body in 260±5℃ solder for 10±1 seconds 7
Temperature cycling resistance change -1 1 % Limit ±(1%+0.05Ω) Max.; five cycles: -55±3℃ 30 min, room temp. 10-15 min, +155±2℃ 30 min, room temp. 10-15 min 7
Load life in humidity resistance change -1.5 1.5 % Normal type; 1,000 hours (1.5 h ON, 0.5 h OFF) at RCWV, 40±2℃, 90 to 95% RH 7
Load life resistance change -1.5 1.5 % Normal type; 1,000 hours at RCWV, duty 1.5 h ON / 0.5 h OFF, 70±2℃ ambient 7
Solderability coverage 95 % Minimum coverage; solder test temp. 245±3℃, dwell time 2-3 seconds 7
Operating ambient temperature (full rated load) -55 70 ℃ Continuous load at rated power; derate above 70℃ per Figure 1 6
Recommended storage temperature 15 35 ℃ Recommended storage condition 13
Recommended storage humidity 25 75 % Recommended storage condition; relative humidity 13
Rated power 0.25 W Printed as 1/4W (order code W4), normal size 8

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: MFR0W4F3603A50
  • Footprint: Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
  • 3D model: R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: UNI ROYAL Uniroyal Elec datasheet (13 pp, sha256 a4c17c09acd8577c, 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