Shenzhen PakHeng Electronics Ltd


Catalogue


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

Trapezium Aluminum Housed Wire-wound Resistors

Trapezium Aluminum Housed Wire-wound Resistors

PakHeng is a professional manufacturer Of forelgn-owned enterprise,has twofactories in China,With 20,000 square meters workshop area,engaged in the resistance design,manufactuing and marketing.We can produce all series resistors,such as Chip Resistors,Chip Array Resistors,Array Resistors,Carbon Film Resistors,Metal Film Resistors,Metal Oxide Film Resistors,Fuse Resistors,MetaI Glaze Resistors,Wirewound Resistors,Cement Resistors,Ceramic Tube Resistors,Aluminum Housed Resistorsand Milliohm Resistors.


    Features:

    1、 Aluminum crust surface with good performance in heat radiation,suitable for cooling  plate installation, can be used in the atrocious environment.

    2、 Small size,high power load.

    3、 High insulating capacity,encapsulation by non-flame inorganic Material,good performance in vibration.

    4、 Multi connection form will be easily to fix.

    5、 Widely used in Power supply, Transducer, Elevator, Arena audio and high requirement equipment Industry.

    6、 Resistance tolerance: ±1%±2%±5%±10%.


    图片1.png

    Dimensions and Voltage Performance


    Part No.

    Power

    Resistance range

     Dimensions(mm)

    Max. working Voltage

    Max. overload Voltage

    Withstand Voltage

    L1±1

    L2±1

    L3±1

    L4±10

    H±1

    W±1

    W1±0.5

    d±0.2

    TRX40B

    40W

    0R1-7K

    75

    90

    100

    200

    18

    30

    5.6

    2.51

    300V

    300V

    450V

    TRX60B

    60W

    0R1-9K

    84

    98

    115

    200

    18

    30

    5.6

    2.51

    400V

    400V

    600V

    TRX80B

    80W

    0R1-22K

    109

    123

    140

    200

    20

    40

    5.6

    3.44

    500V

    500V

    450V

    TRX100

    100W

    0R1-31K

    134

    148

    165

    200

    20

    40

    5.6

    3.44

    600V

    600V

    900V

    TRX120

    120W

    0R1-34K

    155

    170

    185

    200

    20

    40

    5.6

    3.44

    700V

    700V

    1000V

    TRX150

    150W

    0R1-40K

    184

    198

    215

    200

    20

    40

    5.6

    3.44

    900V

    900V

    1300V

    TRX200

    200W

    0R1-46K

    119

    147

    165

    300

    30

    60

    5.6

    3.44

    1000V

    1000V

    1450V

    TRX250

    250W

    0R1-46K

    119

    147

    165

    300

    30

    60

    5.6

    3.44

    1000V

    1000V

    1450V

    TRX300

    300W

    0R1-72K

    184

    212

    230

    300

    30

    60

    5.6

    3.44

    1500V

    1500V

    2200V

    TRX350

    350W

    0R1-72K

    184

    212

    230

    300

    30

    60

    5.6

    3.44

    1500V

    1500V

    2200V

    TRX400

    400W

    0R1-79K

    219

    247

    265

    300

    30

    60

    5.6

    3.44

    1600V

    1600V

    2300V

    TRX500

    500W

    0R1-100K

    289

    317

    335

    300

    30

    60

    5.6

    3.44

    1600V

    1600V

    2300V



    Rated Power Derating Curve:                        Surface Temperature Rise:


    图片3.png    blob.png


    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

    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)

    Terminal strength

    Pull:10N

    ΔR≤±(2%R0+0.1Ω)

    Vibration

    Frequency:10~55Hz,Swing:0.75mm,Test time:6Hours

    ΔR≤±(2%R0+0.1Ω)

    Nonflammability

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

    No visible flame


     

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    FAQ:

    1. Q:Are you a trading company or a manufacturer?

    A:We are manufacturer, having our own factory, specializing in resistors research and designing.

     

    2. Q:How long is your delivery time ?
    A: Generally it is 3-5 working days if the goods are in stock. or it is 7-10 working days if  the goods are not in stock, and it is according to your quantities.

     

    3. Q: Do you provide samples ? is it free or extra ?

    A: Yes, we could offer free sample but do not pay the cost of freight.


    4. Q: Could Pakheng provide technology support?

    A: We're in this field more than 20 years and has our own professional engineers. If there's any problem, please contact with us,we'll provide suggestion from our engineers to help you solve problem.

     

    5. Q: Does Pakheng keeps goods in stock or only trading?

    A: We have large warehouse for goods. Keep lots of goods in warehouse, so could promise fast delivery.

     

    6. Q: Can you deliver in sufficient quantities all time?

    A: For general resistors, We have stock. shipment in 3 days once we receive the payment.But for the rare ones,we need time to get it.And if the order quantity is large, we hope customers place order 15 days in advance.



    PakHeng Electronics is one of the leading trapezium aluminum housed wire-wound resistors 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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