BS EN 60738-1-2-2008 热敏电阻器.直热式阶梯函数正温度系数.第1-2部分:空白详细规范.加热元件的应用.评定等级EZ

标准号：BS EN 60738-1-2-2008
中文标准名称：热敏电阻器.直热式阶梯函数正温度系数.第1-2部分:空白详细规范.加热元件的应用.评定等级EZ
英文标准名称：Thermistors - Directly heated positive step-function temperature coefficient - Part 1-2: Blank detail specification - Heating element application - Assessment level EZ
标准类型：L15
发布日期：2008/6/30 12:00:00
实施日期：2008/6/30 12:00:00
中国标准分类号：L15
国际标准分类号：31.040.30
引用标准：IEC 60068-2-58;IEC 60410-1973;IEC 60738-1-2006
适用范围：1.1 Method(s) of mounting (to be inserted)(See IEC 60738-1:2006, 7.30).1.2 Dimensions(All dimensions are in millimetres or inches and millimetres; it shall be stated which dimensionsare suitable for gauging).Dimensioned drawing(s) shall be given in the detail specification. If necessary, the dimensionsmay be listed in tabular form with reference to styles or codes.1.3 CoatingThe detail specification shall statea) whether the thermistor is insulated or non-insulated,b) the material,c) the colour, if applicable.1.4 TerminationsThe detail specification shall state whether the terminations are suitable for soldering. If theyare not, suitable methods of connection shall be stated for example: welding, clamping orcrimping.1.5 FlammabilityThe detail specification shall state whether the thermistor is actively or passively flammable ifapplicable. The test method shall be given in the test schedule.1.6 Resistance to solventsThe detail specification shall state whether the coating and the marking of the thermistor aresolvent resistant if applicable. The test methods shall be given in the test schedule.1.7 PackagingThe detail specification shall give the following information (if required):a) whether bulk packed or taped and if taped, drawing or references;b) the dimensions of the immediate packaging and the number of thermistors packed;c) the dimensions of the outer package and the number of immediate packages;d) methods of disposal of the packaging material.1.8 Electrical data/Ratings and characteristicsThe detail specification shall give units and tolerances or limiting values for the followingparameters. If necessary, electrical data may be listed in tabular form, with reference to stylesand codes.Upper/Lower category temperatures (UCT/LCT);Operating temperature range at maximum voltage;Maximum voltage (Umax.);Zero-power resistance (RT);Switching temperature (Tb);Either inrush current (Iin);or minimum resistance (Rmin.);Either residual current (Ires);orResistance(Rp);orFinal surface temperature (TFS)1.