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SQM Through Hole Ceramic Cased Cement Fixed Wirewound Power Resistor 5W 47K 5%

Dongguan Ampfort Electronics Co., Ltd.
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    Buy cheap SQM Through Hole Ceramic Cased Cement Fixed Wirewound Power Resistor 5W 47K 5% from wholesalers
     
    Buy cheap SQM Through Hole Ceramic Cased Cement Fixed Wirewound Power Resistor 5W 47K 5% from wholesalers
    • Buy cheap SQM Through Hole Ceramic Cased Cement Fixed Wirewound Power Resistor 5W 47K 5% from wholesalers
    • Buy cheap SQM Through Hole Ceramic Cased Cement Fixed Wirewound Power Resistor 5W 47K 5% from wholesalers
    • Buy cheap SQM Through Hole Ceramic Cased Cement Fixed Wirewound Power Resistor 5W 47K 5% from wholesalers
    • Buy cheap SQM Through Hole Ceramic Cased Cement Fixed Wirewound Power Resistor 5W 47K 5% from wholesalers
    • Buy cheap SQM Through Hole Ceramic Cased Cement Fixed Wirewound Power Resistor 5W 47K 5% from wholesalers

    SQM Through Hole Ceramic Cased Cement Fixed Wirewound Power Resistor 5W 47K 5%

    Ask Lasest Price
    Brand Name : AMPFORT
    Model Number : SQM
    Certification : ROHS
    Price : 0.08~0.12 USD/PC
    Payment Terms : T/T
    Supply Ability : 5000,000PCS/MONTH
    Delivery Time : 10 workdays
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    SQM Through Hole Ceramic Cased Cement Fixed Wirewound Power Resistor 5W 47K 5%


    Through Hole SQM Ceramic Cased Cement Fixed Wirewound Power Resistor 5W 47K 5%


    Description Of The Cement Fixed Wirewound Power Resistor 5W 47K 5%


    Ampfort’s wire wound resistors are made by winding the resistance wire around the glass fiber core or ceramic core. For high ohmage value and resistance range 1% the metal oxide film will be used instead of the wire wound. Two types of packaging are available. Type one using non-corrosive. Heat proof, humidity proof, and nonflammable.


    Features Of The Cement Fixed Wirewound Power Resistor 5W 47K 5%


    * Low noise

    * Instance overload capability; long term stability

    * Excellent insulation being used in PCB

    * Excellent heat dissipation; small linear

    * Metal oxide film cutting core can offer high range resistance (1Ω--100KΩ)

    * Operating temperature range

    Wire Wound:-55°C--+155°C

    Metal Oxide:-30°C--+155°C


    Dimension Of The Cement Fixed Wirewound Power Resistor 5W 47K 5% (mm)



    Type


    H±1.5


    W±1.0



    S±1.0


    P±1.0


    d±1.0


    CR-M 5W


    25


    13.5


    9


    5


    0.7


    Performances Of The Cement Fixed Wirewound Power Resistor 5W 47K 5%



    Characteristics


    Standard


    Test Methods

    1.

    Temperature

    Coefficient of Resistors

    (PPM/℃)


    Wire Wound –80~+900


    Natural resistance change per temperature degree centigrade.

    (PPM/℃)

    R1: Resistance value at reference temp. (T1)

    R2: Resistance value at reference temp. (T2)

    T1: Room temperature

    T2 : T1+100℃

    2.

    Dielectric

    Withstanding

    Voltage


    No evidence of flashover, mechanical damage or arcing or insulation break down


    Resistors shall be subjected to an approximately sinusoidal test potential (as below) 60Hz applied between both terminals connected together and a 90° V-Block extending beyond the end of the resistor

    Resistor WattageAC or RMS Volts
    1W ABOVE500

    3.

    Solderability


    90% Covered min.

    The terminal lead shall be dipped into molten solder s at 3.2 to 4.8mm from the body of resistor. The temp. and time as below:

    a. 235±5℃ for 2±0.5 seconds

    b. 270±10℃ for 2±0.5 seconds

    4.

    Resistance to Soldering


    No evidence of mechanical damage ∆R / R at ±2% Max


    The terminal of the resistor is dipped into the molten solder of 350 ± 10℃for 3 ± 0.5 seconds. Then put the resistor in the room temperature.

    For 3 min. hours.

    5.

    Humidity Load Life


    ±5% Max / 1000Hours


    Resistance change after 1000 hours (1.5 hours on 0.5 hours off) at rated continuous working voltage in a humidity chamber controlled at 40 ± 2℃and 90~95% relative humidity .

    6.

    Load Life


    ±5% Max / 1000Hours

    Permanent resistance change after 1000 hours operating at rated continuous working voltage with a duty cycle of 1.5 hours on 0.5 hours off at 70 ± 2℃ambient

    7.

    Temperature Cycling


    ±2% Max with no evidence of mechanical damage


    Resistance change after continuous 5 cycles for duty cycle as specified below.

    StepTemperatureTime
    1-30℃30 Minutes
    2+25℃10~15 Minutes
    3+85℃30 Minutes
    4+25℃10~15 Minutes


    Characteristics


    Standard


    Test Methods

    8.

    Short Time Overload


    ∆R / R at±3% Max with no evidence of arcing burning, or charring

    Permanent resistance change after the application of a potential of 2.5 times rated continuous working voltage for 5 seconds at room temperature.

    9.

    Terminal Strength


    No evidence of mechanical damage or loosening terminals

    Direct load resistance to 2.5kg direct load 30± 5 seconds twist test, for axial leads unit only.

    Terminal lead shall be bent through at a right angle at a point of 6.35mm from the body of resistor and shall be rotated through at a right angle about the original axis of the bent terminal in alternating direction for a total of 3 rotations.

    10.

    Burn Out


    The arcing and or flaming duration is less than 2seconds and the flame height is less than 1/2 inch.


    Resistors burning out or opening up for overloads in excess of 10 times rated wattage (regardless of how it is applied)


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