Shenzhen PakHeng Electronics Ltd


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Contact US


Tel: 86-755-86229698


Fax : 86-755-86229508


Email: sales01@pakheng.com / sales20@pakheng.com 


Address: The 3rd Industry Zone, Yanchuan, Songgang, Baoan District, Shenzhen, Guangdong, China

SQO 4W 120ohm Through Hole Porcelain Shell Cement Wire Wound Resistor 5 Resistance Tolerance

SQO 4W 120ohm Through Hole Porcelain Shell Cement Wire Wound Resistor 5 Resistance Tolerance

3.Pakheng resistors company, with high performance and excellent service, can output SQO 4W 120ohm Through Hole Porcelain Shell Cement Wire Wound Resistor 5 Resistance Tolerance at factory price. We have professional technical team and advanced production equipment to ensure that the quality of the products and services. We also can supply white rectangular resistors and cement resistors,your enquiry will be warmly welcome.

    SQO 4W 120ohm Through Hole Porcelain Shell Cement Wire Wound Resistor 5 Resistance Tolerance



    Dimension of SQO Cement Resistor

    Features:

    1、 Good heat-durability, low temperature coefficient, low noise, high load power, high insulating capacity.

    2、 Operating ambient temperature: -55℃~+275℃

    3、 Resistance tolerance:±1%、±2%、±5%、±10%

    4、 With the extended resistance range and high-temperature rating, the resistors can be specified for operation in harsh environments. The SQ series in BRX wirewound resistors feature a resistance range from 0.1Ω to 390Ω, while the SQ series power film resistors in HRX have a resistance range of 100Ω to 100KΩ.


    Specification and Dimension:

     

    Part No.

     

    Power

    Dimensions(mm)

    Resistance range

    L±1.5

    W±1

    H±1

    C±3

    d±0.05

    BRX

    HRX

    BRX04B(HRX)

    4W

    20.0

    6.5

    6.5

    35.0

    0.75

    0R1~120R


    BRX05B(HRX)

    5W

    25.0

    6.5

    6.5

    35.0

    0.75

    0R1~330R

    100R~100K

    BRX06B(HRX)

    6W

    38.0

    7.0

    7.0

    35.0

    0.75

    0R1~390R

    820R~100K

    BRX07B/08B(HRX)

    7W-8W

    38.0

    8.5

    8.5

    35.0

    0.75

    0R1~390R

    820R~100K

    BRX09B(HRX)

    9W

    38.0

    8.5

    8.5

    35.0

    0.75

    0R1~390R

    820R~100K


    Rate Power Derating Curved:


    SQO type cement resistors rated power derating curve.png

    Available Quality Test: short time overload pulse/surge test/high temperature aging test/RoHS test

    quality test

    Available Test Equipment: Withstand Voltage Tester/High Voltage Tester/Resistance Test Table/X-Ray Fluoroscopy

    test equipment

    Performance Test

    Test Item

    Test Condition

    Performance

    Temperature coefficient

    Test the resistance value at normal temperature added 100,calculate per resistance value rate.

    ±300ppm/

    Short time overload

    1~4W:According 5 times rated voltage ,5~10W: According 10 times rated power to account the voltage or max .overload voltage (get the lower)for 5 seconds.

    ΔR≤±(2%R0+0.05Ω)

     

    Resistance to soldering heat

    Immerge into the 350±10tin stove for 2~3 seconds.

    ΔR≤±(1%R0+0.05Ω)

    Solderability

    Immerge into the 245±3tin stove for 2~3 seconds.

    The area of soldering is over 95%

    Temperature cycling

    At -55for 30 min,then at +25for 10~15 min,then at +275for 30 min,then at +25for 10~15min, total 5 cycles.

    ΔR≤±(1%R0+0.05Ω)

    Load life in humidity

    Overload rated voltage or Max. working voltage(get the lower)     for 1000 hours (1.5 hours on and half-hours off) at the 40±2and 90~95% relative humidity.

    ΔR≤±(5%R0+0.05Ω)

    Load life in heat

    Overload rated voltage or Max. working voltage(get the lower)m for 1000 hours (1.5 hours on and half-hours off) at the 70±2.

    ΔR≤±(5%R0+0.05Ω)

    Nonflammability

    Respectively load AC voltage by5,10,16 times rated power for 5 min.

    No visible flame


    Package of SQO type cement resistors:

    SQO cement resistors package and delivery.jpg

    FAQ


    Q1: Do you provide samples ? is it free or extra?

    Pakheng: Yes, normally we could offer the sample for free charge but do not pay the cost of freight.

      

    Q2: How long is your delivery time?

    Pakheng: Generally it is 1-2 working days if the goods are in stock. Or it is 7-10 days if the goods are not in stock, it is according to quantity.

      

    Q3: Is it OK to print my logo on the packing?

    Pakheng: Of course, customized packing accepted!! But it may bring some cost, it depends on the qty and the packing. 

     

    Q4: What is your terms of payment ?

    PakhengFull 100% payment before delivery.

      

    Q5: How do you guarantee my goods right?

    Pakheng: Order will be arranged exactly as requested, we will doubly check the packing and qty before delivering out also we will take you photos if required or necessary.


    Pakheng electronics offers commercial grade ceramic-housed power wirewound and film resistors. For medium to high rated power (1W...50W), SQ resistors provide full electrical insulation mounted in a ceramic case.


    Pls do not hesitate to contact us if you are interested in our resistors!

    PakHeng Electronics is one of the leading SQO 4W 120ohm Through Hole Porcelain Shell Cement Wire Wound Resistor 5 Resistance Tolerance manufacturers and suppliers in China, offering the free sample and competitive price. Welcome to wholesale the high quality bulk resistors made in China from us. It if of good performance and high safety.
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