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上海傲来薄膜电路有限公司

陶瓷薄膜电路, 陶瓷薄膜膜金属化, 激光钻孔, 氧化铝, 氮化铝, 石英

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ATP 薄膜电阻 片状电阻
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产品: 浏览次数:144ATP 薄膜电阻 片状电阻 
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最后更新: 2017-12-08 19:58
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详细信息

“ATP 薄膜电阻 片状电阻”参数说明

外形: 长方形 阻值特性: 可调电阻
薄膜材料: Tan 型号: ATP
规格: ATP 商标: ATP
包装: 真空

“ATP 薄膜电阻 片状电阻”详细介绍

  集成的氮化钽电阻
  电阻类型
  正方形或长方形的图形:
  L或弯曲的图形:
  蛇形图型:
  顶帽(凸起)图形:
  Integrated TaN Resistors
  ATP offers a wide variety of TaN sheet resistivities from 10–200 ohms/square.Our standard and most cost effective sheet resistivities are 50,75,and 100 ohms/square.Standard tolerances for resistors are±10%。With laser trimming tolerances as low as±0.5%can be achieved.With Laser trimming additional tooling and time will be required.Please download document#50025"Laser Resistor Trimming Design Rules"in PDF format(requires Adobe Reader)。
  Basic equation for calculating resistance
  The resistance of a specific resistor depends on its aspect ratio(the ratio of its length to width)expressed as a number of“squares”(note:the term“square”is dimensionless)。
  Resistor Types
  Square or Rectangular Configuration:The most common type of resistor.
  L or Bent Configuration:The resistor“square”in the corner area(s)of a bent style resistor(e.g.an“L”shape or serpentine design)should be counted as one-half the value of the sheet resistance.
  Serpentine Configuration:This resistor is typically used for high value resistors.The number of corners complicates calculation of the value.The resistor“square”in the corner areas of a serpentine style resistor should be counted as one-half the value of the sheet resistance.
  Top-hat(lobe type)Configuration:The advantage of a top hat design is its wide trim range.Here we have a five square resistor.By trimming with a single plunge cut of the laser,a nine square resistor can be created.The resistance can be manipulated between these values by limiting the amount of trim.Resistors with a trimmable range of more than 3x the initial value can be created using this technique.Resistors of this type must be trimmed regardless of tolerance requirements. 
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