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Fusible Metal Film Resistor

Product ID: FUR-1WS

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Specifications
  • Operating temp.:
    • Condition: -40 Celsius ~ 240 Celsius
  • Resistance temp. Coffee:
    • Condition: -30 Celsius ~ 150 Celsius
  • Spec.: +/-200ppm/Celsius
  • Short time overload:
    • Condition: 4 times of rated wattage for 5 Sec.
    • Spec.: +/-2%
  • Voltage withstanding:
    • Condition: 500V AC 1min.
    • Spec.: no change
  • Insulation resistance:
    • 500V megger
    • Spec.: 20Mohm
  • Temp. cycle:
    • -30 Celsius ~ 85 Celsius for 5 cycle
    • Spec.: +/-1%
  • Load life:
    • Condition: 70 Celsius on-off cycle 1000hrs.
    • Spec.: +/-5%
  • Moisture-proof load life:
    • Condition: 40 Celsius 95%RH on-off cycle 500hrs.
    • Spec.: +/-5%
  • Solder heat:
    • Condition: 270 Celsius for 3 sec.
    • Spec.: +/-1%
  • Incombustibility:
    • Condition: 16 times of rated wattage for 5 min.
    • Spec.: not flamed
Features
  • Suitably used in transistor protection circuit.
  • Small in size with competitive price.
  • Noncombustible insulating coat, "Freon" proof and resistant to high temperature.
  • Low temperature coefficient, (under +/-200ppm/Celsius).
  • Uniform in fusing time.
  • Toal maximum resistance change is delta R + 0.05ohm.
  • Max. overload voltage is 2 times of max. working voltage.
  • Too low or too high ohmic value can be supplied only case by case.
Type Dimension (L)(mm) Dimension (D)(mm) Dimension (H)(mm) Dimension (d +/- 0.02)(mm) Power rating OHM range Maximum working voltage
FUR-1/4W, 1/2WS 6.0 +/- 0.5 2.3 +/- 0.3 28 +/- 1 0.60 1/4W, 1/2W 0.5ohm-10K 250V
FUR-1WS 9.0 +/- 0.5 3.0 +/- 0.5 28 +/- 1 0.70 1W 0.5ohm-10K 300V
FUR-2WS 11 +/- 1.0 4.0 +/- 0.5 35 +/- 3 0.80 2W 0.5ohm-10K 300V
FUR-3WS 15 +/- 1.0 5.0 +/- 0.5 35 +/- 3 0.80 3W 0.5ohm-10K 300V

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resistor ( electronic components )