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

High Precision Metal Film Fixed 5 Bands 50 Ohm 250 Ohm 350 Ohm Resistor with 0.1% Resistance Tolerance

High Precision Metal Film Fixed 5 Bands 50 Ohm 250 Ohm 350 Ohm Resistor with 0.1% Resistance Tolerance

High Precision Metal Film Resistors(PMF) 1, Low temperature coefficient, high precision, and good high frequency performance. 2, Operating ambient temperature: -55C to +155C. 3, Film the metal in Vacuum with the good waterproof. The surface coating is green resign with the good waterproof. 4,...

    High Precision Metal Film Resistors(PMF) 
    1, Low temperature coefficient, high precision, and good high frequency performance. 
    2, Operating ambient temperature: -55C to +155C. 
    3, Film the metal in Vacuum with the good waterproof. The surface coating is green resign with the good waterproof. 
    4, Resistance tolerance: ± 0.1%, ± 0.5%.

    Power: 1/8W, 1/6W, 1/4WS, 1/4W, 1/2WS, 1/2W, 1WS, 1W, 2WS, 2W ,3WS,3W,5WS
    Tolerance: ± 0.1%, ± 0.5%. 
    Range: 10R-470K


    图片1.png

    A、 高热传导瓷芯 High heat exchanged Ceramic core.

    B、 高稳定性电导膜High stability Electric conduction film.

    C、 铁帽 Iron Cap.

    D、 环氧树脂涂料 Epoxy resin coating.

    E、 色环 Color Ring.

                                                                                                                                                     F、 镀锡铜线Tinned copper lead wire.

    料号

    Part No.

    功率

    Power

    阻值范围

    Resistance range

    尺寸Dimensions(mm)

    最大工作电压Max.working voltage

    最大负荷电压Max.overload voltage

    最高脉冲电压Max.Pulse voltage

    最高绝缘电压Max.insulation voltage

    L±1

    D±0.5

    d±0.05

    PMF016

    1/8W

    0R~22M

    3.5

    1.7

    0.41

    150V

    300V

    500V

    300V

    PMF016

    1/6W

    0R~22M

    3.5

    1.7

    0.41

    150V

    300V

    500V

    300V

    PMF14S

    1/4WS

    0R~22M

    3.5

    1.7

    0.41

    150V

    300V

    500V

    300V

    PMF014

    1/4W

    0R~22M

    6.0

    2.3

    052

    250V

    500V

    750V

    500V

    PMF12S

    1/2WS

    0R1~22M

    6.0

    2.3

    0.52

    250V

    500V

    750V

    500V

    PMF012

    1/2W

    0R1~22M

    9.0

    3.2

    0.52

    350V

    700V

    1000V

    700V

    PMF01S

    1WS

    0R1~22M

    9.0

    3.2

    0.58

    350V

    700V

    1000V

    700V

    PMF01B

    1W

    0R1~22M

    11.0

    4.5

    0.75

    500V

    1000V

    1000V

    1000V

    PMF02S

    2WS

    0R1~22M

    11.0

    4.5

    0.75

    500V

    1000V

    1000V

    1000V

    PMF02B

    2W

    0R1~22M

    15.0

    5.0

    0.75

    500V

    1000V

    1000V

    1000V

    PMF03S

    3WS

    0R1~22M

    15.0

    5.0

    0.75

    500V

    1000V

    1000V

    1000V

    PMF03B

    3W

    0R1~22M

    24.0

    8.0

    0.75

    700V

    1200V

    1200V

    1000V

    PMF05S

    5WS

    0R1~22M

    24.0

    8.0

    0.75

    700V

    1200V

    1200V

    1000V

    测试项目 Test Item

    测试条件Test Condition

    性能Performance

    温度系数

    Temperature coefficient

    在常温及常温+100℃时分别测量电阻并计算每度的阻值变化率。Test the resistance value at normal temperature and normal temperature added 100,calculate perresistance value change rate .

    ±15 ppm/~50ppm/

    短时间过负荷

    Short time overload

    施加2.5倍额定电压或最高负荷电压(取较小者)5秒。2.5 × rated voltage or Max.overload voltage (get the lower) for 5 seconds.

    ΔR≤±(0.5%R0+0.05Ω)

    断续过负荷

    Pulse overload

    4倍额定电压或最高断续负荷电压(取较小者)测试1秒,停止25秒,循环10000±200次。At 4 × rated voltage or Max. pulse overload voltage (get the lower) cycle 10000±200 times(1 second on, 25 seconds off ).

    ΔR≤±(1%R0+0.05Ω)

    耐焊接热

    Resistance to soldering heat

    350±10℃锡炉中浸入2~3秒。

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

    ΔR≤±(0.5%R0+0.05Ω)

    可焊性

    Solderability

    245±3℃锡炉中浸入2~3秒。

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

    焊锡面积覆盖95%以上

    The area of soldering is over 95%

    温度循环

    Temperature cycling

    -55℃时放置30分钟,然后在+25℃时放置10~15分钟,然后再在+125℃时放置30分钟,然后在+25℃时放置10~15分钟,共循环5次。At  -55for 30 min, then at +25for 10~15 min, then at +125for 30 min, then at +25for 10~15 min, total 5 cycles.

    ΔR≤±(0.5%R0+0.05Ω)

    耐湿负荷寿命

    Load life in humidity

    在温度为40±2℃,相对湿度为90~95%的恒温恒湿箱中,施加额定电压或最大工作电压(取较小者)共1000小时(通1.5小时,断0.5小时)。Overload rated voltage or Max.working voltage (get the lower) for 1000 hours (1.5 hours on and half-hour off ) at the 40±2and 90~95% relative humidity.

    ΔR≤±(2%R0+0.05Ω)

    耐温负荷寿命

    Load life in heat

    70±2℃恒温恒湿箱中施加额定电压或最大工作电压(取较小者)1000小时(通1.5小时,断0.5小时)。Overload rated voltage or Max.working voltage (get the lower ) for 1000 hours (1.5 hours on and half-hour off) at the 70±2.

    ΔR≤±(2%R0+0.05Ω)


    Company Information

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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.


    Q4: Do you provide samples ? is it free or extra?

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



    PakHeng Electronics is one of the leading High Precision Metal Film Fixed 5 Bands 50 Ohm 250 Ohm 350 Ohm Resistor with 0.1% 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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