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

Through Hole BH Type 25W 20 OHM Wirewound Cement Resistors with Resistance Tolerance 5%

Through Hole 25W 20 ohm Wirewound Cement Resistors with Resistance Tolerance 5% Pak heng offers high quality, extensive resistance and highly cost effective 5% wirewound cement resistor. Our company is a susseccful and honesty manufacturer and supplier. We have devoted ourselves to resistors for...

    Through Hole BH Type 25W 20 ohm Wirewound Cement Resistors with  Resistance Tolerance 5%

     

    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%。


    Construction Drawing:

    图片80.png

    A、 Padding materials

    B、 Tinned copper lead wire

    C、 Ceramic shell

    D、 Fiberglass or ceramic core or resistors film

    E、 Resistance wire or ceramic core

    F、 Iron cap


    Dimensions and Resistance Range:



    BH:图片84.png


    Part No.

    Power

    Dimensions(mm)

    Resistance range

    L±1.5

    W±1

    H1±1

    H2±1

    C±3

    d±0.05

    RXR

    BRX

    HRX

    NRX

    RXR05B(BRX/HRX/NRX)

    5W

    22.0

    10.0

    9.5

    10.5

    35.0

    0.75

    0R1~3K3

    1R~120R

    100R~100K

    0R1~27R

    RXR06B(BRX/HRX/NRX)

    6W

    35.0

    10.0

    10.0

    11.5

    35.0

    0.75

    0R1~7K5

    1R~390R

    820R~100K

    0R2~39R

    RXR07B(BRX/HRX/NRX)

    7W

    35.0

    10.0

    10.0

    11.5

    35.0

    0.75

    0R1~7K5

    1R~390R

    820R~100K

    0R2~39R

    RXR08B(BRX/HRX/NRX)

    8W

    35.0

    10.0

    10.0

    11.5

    35.0

    0.75

    0R1~7K5

    1R~390R

    820R~100K

    0R2~39R

    RXR09B(BRX/HRX/NRX)

    9W

    48.0

    10.5

    10.0

    12.5

    33.0

    0.75

    0R1~12K

    1R~470R

    1K~100K

    0R2~47R

    RXR10B(BRX/HRX/NRX)

    10W

    48.0

    10.0

    10.0

    12.5

    33.0

    0.75

    0R1~12K

    1R~470R

    1K~100K

    0R2~47R

    RXR11B(BRX/HRX/NRX)

    11W

    48.0

    10.0

    10.0

    12.5

    33.0

    0.75

    0R1~12K

    1R~470R

    1K~100K

    0R2~47R

    RXR15B(BRX /NRX)

    15W

    48.0

    12.5

    13.5

    17.0

    33.0

    0.75

    0R2~18K

    1R~560R

     /

    0R2~56R

    RXR17B(BRX /NRX)

    17W

    59.0

    14.0

    13.5

    17.0

    33.0

    0.75

    0R2~30K

    1R~620R

     /

    0R2~68R

    RXR20B(BRX /NRX)

    20W

    59.0

    14.0

    13.5

    17.0

    33.0

    0.75

    0R2~30K

    1R~620R

     /

    0R2~68R

    RXR25B(BRX /NRX)

    25W

    59.0

    14.0

    13.5

    17.0

    33.0

    0.75

    0R2~30K

    1R~620R

     /

    0R2~68R


    Rated Power Derating Curve:


    图片95.png


    Performance Test:

    PerformanceTest ItemTest Condition

    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±10℃tin stove for 2~3 seconds.

    ΔR≤±(1%R0+0.05Ω)

    Solderability

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

    The area of soldering is over 95%

    Temperature cycling

    At -55℃for 30 min,then at +25℃for 10~15 min,then at +275℃for 30 min,then at +25℃for 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±2℃and 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


    Laboratory Equipments


    laboratory equipments


    Means of Delivery:

    package and delivery


    Our Shipment:

    1. We will ship the goods within 1-3 work days after payment confirmation.

    2. We can ship goods via DHL/Fedex/UPS/TNT/EMS. Pls tell us which you prefer. We suggest DHL, because it is cheapest and fast in China.

    3. We are not responsible for any accidents, delays or other situations related with shipping company. But we will keep focus on the package tracking.

    4. Any import fees or charges are the buyer's responsibility.


    We are specializes in a great variety of resistors, (low, high resistance value supply by your request). It can be widely used in various kinds of industry line, such as TV, Audio, Monitor, New Energy, Lighting, Transducer, Power Supply, UPS, Digital Products, Charger, Household Appliances, Apparatus, Electric Welding Machine, Elevator and other industries.

    PakHeng Electronics is one of the leading through hole 25w 20 ohm wirewound cement resistors with resistance tolerance 5% 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.

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