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ShenZhen WanLianSheng Technology Co.,Ltd

Address: 715, Building 3, Longbang High tech Industrial Park, No. 375 Kejie Second Road, Shutianpu Community, Matian Street, Guangming District, Shenzhen

Contact: Mr. Peng 18617185077
Phone: 0755-27606841

Fax: 0755-27600479

E-mail:penghao@wanlians.com
URL:www.wanlians.com

Guangdong HeliLaiMei Electric Co., Ltd 

Address:Floor 3, Building 2, Gangxing Industrial Park, No. 1, 1st Street, Daxi 1st Road, Qiaotou Town, Dongguan City, Guangdong Province


金属皮膜电阻器

Metal Film Fixed Resistors
  • Metal Film Fixed Resistors
  • Metal Film Fixed Resistors
Metal Film Fixed Resistors

1.Low temperature coefficient ,high precision ,and good high frequency performance .

低温度系数、精度高、高频性好。

2.Operating ambient temperature 使用环境温度:-55°C ~+155°C

3.Film the metal in Vacuum ,the surface coating is  resin with the good waterproof . 

真空溅射金属皮膜,涂层为环氧树脂,防水性好。

4.Resistance tolerance 阻值误差 : ±5%,±1%.

Service hotline:
0755-27606841
Product details

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種類
Type  
定格電力
Rated power  
最高使用電壓
Maximum working voltage
最高過負荷電壓
Maximum overload voltage
絕緣耐電壓
Dielectric withstanding voltage
阻值範圍(Ω)
Resistance Range(Ω)
MF1/8W 0.125W 150V 300V 300V 1Ω~1MΩ
MF1/4W 0.25W 250V 500V 350V 1Ω~10MΩ
MF1/2W 0.5W 300V 700V 400V 1Ω~10MΩ
MF1W 1W 350V 800V 450V 1Ω~10MΩ
MF2W 2W 500V 800V 450V 1Ω~10MΩ
MF3W 3W 500V 800V 500V 1Ω~10MΩ
MF5W 5W 500V 1000V 500V 1Ω~10MΩ
種 類  Type 尺   寸  Dimensions
L ψD ψd±0.05 l±2.0
MF1/8W 3.2±1.0 1.8±0.5 0.40 29
MF1/4W 6.5±1.0 2.3±0.5 0.41 27
MF1/2W 9.0±1.0 3.2±0.5 0.50 26
MF1W 11.5±1.0 4.5±1.0 0.60 25
11.5±1.0 4.5±1.0 0.60 30
MF2W 15.5±1.0 5.0±1.0 0.60 23
15.5±1.0 5.0±1.0 0.60 33
MF3W 17.5±1.5 6.0±1.0 0.65 32
17.5±1.5 6.0±1.0 0.65 38
MF5W 24.5±1.5 8.0±1.0 0.70 35
Test Item
测试项目
Test Condition
测试条件
Performance
性能
Temperature Coefficient 温度系数 The resistance value at normal temperature and normal temperature added 100°C, calculate per °C resistance value change rate.
在常温及常温+100°C时分别测量电阻值并计算每度的阻值变化。
10R以上:±100ppm/°C 10R以下:±300ppm/°C
Short Time overload
短时间过负荷
2.5×rated voltage or Max. overload voltage(get the lower) for 5 seconds.
施加2.5倍额定电压或最高负荷电压(取较小者)5秒。
  R≤±(0.5%R0+0.05Ω)
Pulse overload
断续过负荷
At 4×rated voltage or Max. pulse overload voltage(get the lower)cycle 10000±200times(1second on,25 seconds off).
4倍额定电压或最高负荷断续电压(取较小者)测试1秒,停25秒,循环10000±200次。
  R≤±(1%R0+0.05Ω)
Resistance to soldering Heat
耐焊接热
Immerge into the 350±10°C tin stove for 2~3seconds.  
在350±10°C锡炉中浸入2~3秒。
R≤±(0.5%R0+0.05Ω)
Solderability
可焊性
Immerge into the 245±3°C tin stove for 2~3seconds.
在260±5°C锡炉中浸入2~3秒。
The soldering area is over 95%
焊锡面积覆盖率达95%以上
  Temperature cycling 温度循环 At -55°C for 30 min. ,then at+25°C for 10~15°C,then at +125°C for 30 min., then at +25°C for 10~15 min., total 5cycles.
在-55°C时放置30分钟,然后在+25°C时放置10~15分钟,然后再在+275°C时放置30分钟,接着在+25°C时放置10~15分钟,共循环5次。
  R≤±(0.5%R0+0.05Ω)
  Load life in humidity 耐湿负荷寿命 Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 40±2°C and 90~95% relative humidity.
在温度为40±2°C,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(通电0.5小时,断电0.5小时)
  R≤±(2%R0+0.05Ω)
  Load life in heat
耐湿负荷寿命
Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 70±2°C.
在温度为70±2°C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(通电0.5小时,断电0.5小时)
  R≤±(2%R0+0.05Ω

 


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Contact us
ShenZhen WanLianSheng Technology Co.,Ltd

Address: 715, Building 3, Longbang High tech Industrial Park, No. 375 Kejie Second Road, Shutianpu Community, Matian Street, Guangming District, Shenzhen

Contact: Mr. Peng 18617185077
Phone: 0755-27606841

Fax: 0755-27600479

E-mail:penghao@wanlians.com
URL:www.wanlians.com

Guangdong HeliLaiMei Electric Co., Ltd 

Address:Floor 3, Building 2, Gangxing Industrial Park, No. 1, 1st Street, Daxi 1st Road, Qiaotou Town, Dongguan City, Guangdong Province


Service hotline
0755-27606841
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