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Contents

README

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MF0W2FF120JA10

UNI ROYAL Uniroyal Elec · Through Hole Resistors · R_Axial_DIN0411_L9.9mm_D3.6mm_P15.24mm_Horizontal

MF0W2FF120JA10 from UNI ROYAL Uniroyal Elec, in a R_Axial_DIN0411_L9.9mm_D3.6mm_P15.24mm_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_DIN0411_L9.9mm_D3.6mm_P15.24mm_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 (code F = ±1%) -1 1 % 2
Temperature coefficient (code F = 50 ppm/℃) TCR -50 50 ppm/℃ t1 +25℃; t2 -55℃ or 125℃ 5
Max working voltage (MF 1/2W, normal type) 350 V Rated DC or RMS AC continuous working voltage 4
Max overload voltage (MF 1/2W) 700 V 2.5×RCWV or max overload voltage, whichever is lower 4
Ambient temperature range (derating) -55 155 ℃ Power rating applies over ambient -55 to 155℃ 5
Rated power (MF 1/2W, code W2) P 0.5 W Constant -55 to 70℃; derate to zero 70 to 155℃ 5
Nominal resistance (this MPN: 120J → 12 Ω) R 12 Ω 2
Short-time overload ΔR/R ΔR/R -0.5 0.5 % ΔR/R ≤ ±(0.5%+0.05 Ω); 2.5×RCWV or max overload voltage, whichever less, 5 s 6
Pulse overload ΔR/R ΔR/R -1 1 % ΔR/R ≤ ±(1%+0.05); 10,000 cycles 1 s ON / 25 s OFF at 4×RCWV or max overload, whichever less 6
Resistance to soldering heat ΔR/R ΔR/R -1 1 % ΔR/R ≤ ±(1%+0.05 Ω); 260℃±5℃ solder, 10±1 s 6
Rapid change of temperature ΔR/R ΔR/R -1 1 % ΔR/R ≤ ±(1%+0.05 Ω); 30 min at -55℃ and 30 min at 155℃; 100 cycles 6
Load life in humidity ΔR/R (normal type) ΔR/R -1.5 1.5 % Normal type; 1,000 h, 40℃±2℃, 90 to 95% RH, 1.5 h ON / 0.5 h OFF, RCWV or max working voltage 6
Load life ΔR/R (normal type) ΔR/R -1.5 1.5 % Normal type; 1,000 h at 70℃±2℃, 1.5 h ON / 0.5 h OFF, RCWV or max working voltage 6
Low temperature storage ΔR/R (normal type) ΔR/R -1.5 1.5 % Normal type; -55℃, 2 h 6
High temperature exposure ΔR/R (normal type) ΔR/R -1.5 1.5 % Normal type; 155℃, 16 h 6

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: MF0W2FF120JA10
  • Footprint: Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P15.24mm_Horizontal
  • 3D model: R_Axial_DIN0411_L9.9mm_D3.6mm_P15.24mm_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 2026-11-07, 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