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568资料

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050912WebSite www.littelfuse.comIn our continuing strategy to deliver unparalleled circuit protection solutions,technical expertise and application leadership, we proudly introduce theWICKMANN Group and its products to the Littelfuse portfolio.MINIAINIATURETURE FUSECAPSCap / No. 568Cap / No. 569MontingScrew thread in bus barProtection Class & CategoryIP 40 (IEC 60529)MaterialsCap:Thermoplastic (PolyamidePA 6.6), UL 94 V-0, blackMetal Parts:Copper alloy,corrosion protected,nickel-platedElectrical Data (23 ºC)Rated Voltage:250 VRated Current:6.3 AOperating TOperating Temperatureemperature-25 °C to 70 °C (consider de-rating)Stock Conditions10 °C to 60 °CContact Resistance≤ 5 mΩUnit weight4,3 g (568) / 3,8 g (569)SpecificationsOrder InformationPackagingBulk (1,000 pcs.)Order NumbersCap, 6.3 x 32 mmNo. 568 0000 001Cap, 6.3 x 32 mmNo. 569 0000 001for 6.3 x 32 mm Fusesfor 6.3 x 32 mm FusesSpecifications are subject to change without noticeNote: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.元器件交易网www.cecb2b.com

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O-ring美国国家标准(AS568)

O-ring美国国家标准(AS568)

AS568-0010.74×1.02AS568-0041.78×1.78AS568-1021.24×2.62AS568-2014.34×3.53AS568-30910.46×5.34AS568-425113.67×6.99AS568-0021.07×1.27AS568-0052.57×1.78AS568-1032.06×2.62AS568-2025.94×3.53AS568-31012.07×5.34AS568-426116.84×6.99AS568-0031.42×1.53AS568-0062.90×1.78AS568-1042.84×2.62AS568-2037.52×3.53AS568-31113.64×5.34AS568-427120.02×6.99AS568-0073.69×1.78AS568-1053.63×2.62AS568-2049.12×3.53AS568-31215.24×5.34AS568-428123.19×6.99AS568-0084.47×1.78AS568-1064.42×2.62AS568-20510.69×3.53AS568-31316.81×5.34AS568-429126.37×6.99AS568-0095.28×1.78AS568-1075.23×2.62AS568-20612.69×3.53AS568-31418.42×5.34AS568-430129.54×6.99AS568-0106.07×1.78AS568-1086.02×2.62AS568-20713.87×3.53AS568-31519.99×5.34AS568-431132.72×6.99AS568-0117.65×1.78AS568-1097.59×2.62AS568-20815.47×3.53AS568-31621.59×5.34AS568-432135.89×6.99AS568-0129.25×1.78AS568-1109.19×2.62AS568-20917.04×3.53AS568-31723.16×5.34AS568-433139.07×6.99AS568-01310.82×1.78AS568-11110.77×2.62AS568-21018.64×3.53AS568-31824.77×5.34AS568-434142.24×6.99AS568-01412.42×1.78AS568-11212.37×2.62AS568-21120.22×3.53AS568-31926.34×5.34AS568-435145.42×6.99AS568-01514.00×1.78AS568-11313.94×2.62AS568-21221.82×3.53AS568-32027.94×5.34AS568-436148.59×6.99AS568-01615.60×1.78AS568-11415.54×2.62AS568-21323.39×3.53AS568-32129.51×5.34AS568-437151.77×6.99AS568-01717.17×1.78AS568-11517.12×2.62AS568-21424.99×3.53AS568-32231.12×5.34AS568-438158.12×6.99AS568-01818.77×1.78AS568-11618.72×2.62AS568-21526.58×3.53AS568-32332.69×5.34AS568-439164.47×6.99AS568-01920.35×1.78AS568-11720.29×2.62AS568-21628.17×3.53AS568-32434.29×5.34AS568-440170.82×6.99AS568-02021.95×1.78AS568-11821.89×2.62AS568-21729.74×3.53AS568-32537.47×5.34AS568-441177.17×6.99AS568-02123.52×1.78AS568-11923.47×2.62AS568-21831.34×3.53AS568-32640.64×5.34AS568-442183.52×6.99AS568-02225.12×1.78AS568-12025.07×2.62AS568-21932.92×3.53AS568-32743.82×5.34AS568-443189.87×6.99AS568-02326.70×1.78AS568-12126.64×2.62AS568-22034.52×3.53AS568-32846.99×5.34AS568-444196.22×6.99AS568-02428.30×1.78AS568-12228.24×2.62AS568-22136.09×3.53AS568-32950.17×5.34AS568-445202.57×6.99AS568-02529.87×1.78AS568-12329.82×2.62AS568-22237.69×3.53AS568-33053.34×5.34AS568-446215.27×6.99AS568-02631.47×1.78AS568-12431.42×2.62AS568-22340.87×3.53AS568-33156.52×5.34AS568-447227.97×6.99AS568-02733.05×1.78AS568-12532.99×2.62AS568-22444.04×3.53AS568-33259.69×5.34AS568-448240.67×6.99AS568-02834.65×1.78AS568-12634.59×2.62AS568-22547.22×3.53AS568-33362.87×5.34AS568-449253.37×6.99AS568-02937.82×1.78AS568-12736.17×2.62AS568-22650.39×3.53AS568-33466.04×5.34AS568-450266.07×6.99AS568-03041.00×1.78AS568-12837.77×2.62AS568-22753.57×3.53AS568-33569.22×5.34AS568-451278.77×6.99AS568-03144.17×1.78AS568-12939.34×2.62AS568-22856.74×3.53AS568-33672.39×5.34AS568-452291.47×6.99AS568-03247.35×1.78AS568-13040.94×2.62AS568-22959.92×3.53AS568-33775.57×5.34AS568-453304.17×6.99AS568-03350.52×1.78AS568-13142.52×2.62AS568-23063.09×3.53AS568-33878.74×5.34AS568-454316.87×6.99AS568-03453.70×1.78AS568-13244.12×2.62AS568-23166.27×3.53AS568-33981.92×5.34AS568-455329.57×6.99AS568-03556.87×1.78AS568-13345.69×2.62AS568-23269.44×3.53AS568-34085.09×5.34AS568-456342.27×6.99AS568-03660.05×1.78AS568-13447.29×2.62AS568-23372.62×3.53AS568-34188.27×5.34AS568-457354.97×6.99AS568-03763.22×1.78AS568-13548.90×2.62AS568-23475.79×3.53AS568-34291.44×5.34AS568-458367.67×6.99AS568-03866.40×1.78AS568-13650.47×2.62AS568-23578.97×3.53AS568-34394.62×5.34AS568-459380.37×6.99AS568-03969.57×1.78AS568-13752.07×2.62AS568-23682.14×3.53AS568-34497.79×5.34AS568-460393.07×6.99AS568-04072.75×1.78AS568-13853.64×2.62AS568-23785.32×3.53AS568-345100.97×5.34AS568-461405.26×6.99AS568-04175.92×1.78AS568-13955.25×2.62AS568-23888.49×3.53AS568-346104.14×5.34AS568-462417.96×6.99AS568-04282.27×1.78AS568-14056.82×2.62AS568-23991.67×3.53AS568-347107.32×5.34AS568-463430.66×6.99AS568-04388.62×1.78AS568-14158.42×2.62AS568-24094.84×3.53AS568-348110.49×5.34AS568-464443.36×6.99AS568-04494.97×1.78AS568-14259.99×2.62AS568-24198.02×3.53AS568-349113.67×5.34AS568-465456.06×6.99AS568-045101.32×1.78AS568-14361.60×2.62AS568-242101.19×3.53AS568-350116.84×5.34AS568-466468.76×6.99AS568-046107.67×1.78AS568-14463.17×2.62AS568-243104.37×3.53AS568-351120.02×5.34AS568-467481.46×6.99型号尺寸(mm)（ID × C/S）（ID × C/S）型号尺寸(mm)型号尺寸(mm)（ID × C/S）（ID × C/S）美国国家标准(AS568)***ID＝内径；C/S＝线径***型号尺寸(mm)型号尺寸(mm)（ID × C/S）（ID × C/S）型号尺寸(mm)AS568-047114.02×1.78AS568-14564.77×2.62AS568-244107.54×3.53AS568-352123.19×5.34AS568-468494.16×6.99AS568-048120.37×1.78AS568-14666.34×2.62AS568-245110.72×3.53AS568-353126.37×5.34AS568-469506.86×6.99AS568-049126.72×1.78AS568-14767.95×2.62AS568-246113.89×3.53AS568-354129.54×5.34AS568-470532.26×6.99AS568-050133.07×1.78AS568-14869.52×2.62AS568-247117.07×3.53AS568-355132.72×5.34AS568-471557.66×6.99AS568-14971.12×2.62AS568-248120.24×3.53AS568-356135.89×5.34AS568-472582.68×6.99AS568-15072.69×2.62AS568-249123.42×3.53AS568-357139.07×5.34AS568-473608.08×6.99AS568-15175.87×2.62AS568-250126.59×3.53AS568-358142.24×5.34AS568-474633.48×6.99AS568-15282.22×2.62AS568-251129.77×3.53AS568-359145.42×5.34AS568-475658.88×6.99AS568-15388.57×2.62AS568-252132.94×3.53AS568-360148.59×5.34AS568-15494.92×2.62AS568-253136.12×3.53AS568-361151.77×5.34AS568-155101.27×2.62AS568-254139.29×3.53AS568-362158.12×5.34AS568-156107.62×2.62AS568-255142.47×3.53AS568-363164.47×5.34AS568-157113.97×2.62AS568-256145.64×3.53AS568-364170.82×5.34AS568-158120.32×2.62AS568-257148.82×3.53AS568-365177.17×5.34AS568-159126.67×2.62AS568-258151.99×3.53AS568-366183.52×5.34AS568-160133.02×2.62AS568-259158.34×3.53AS568-367189.87×5.34AS568-161139.37×2.62AS568-260164.69×3.53AS568-368196.22×5.34AS568-162145.72×2.62AS568-261171.04×3.53AS568-369202.57×5.34AS568-163152.07×2.62AS568-262177.39×3.53AS568-370208.92×5.34AS568-164158.42×2.62AS568-263183.74×3.53AS568-371215.27×5.34AS568-165164.77×2.62AS568-264190.09×3.53AS568-372221.62×5.34AS568-166171.47×2.62AS568-265196.44×3.53AS568-373227.97×5.34AS568-167177.47×2.62AS568-266202.79×3.53AS568-374234.32×5.34AS568-168183.82×2.62AS568-267209.14×3.53AS568-375240.67×5.34AS568-169190.17×2.62AS568-268215.49×3.53AS568-376247.02×5.34AS568-170196.52×2.62AS568-269221.84×3.53AS568-377253.37×5.34AS568-171202.87×2.62AS568-270228.19×3.53AS568-378266.07×5.34AS568-172209.22×2.62AS568-271234.54×3.53AS568-379278.77×5.34AS568-173215.57×2.62AS568-272240.89×3.53AS568-380291.47×5.34AS568-174221.94×2.62AS568-273247.24×3.53AS568-381304.17×5.34AS568-175228.27×2.62AS568-274255.59×3.53AS568-382329.57×5.34AS568-176234.62×2.62AS568-275266.29×3.53AS568-383354.97×5.34AS568-177240.97×2.62AS568-276278.99×3.53AS568-384380.37×5.34AS568-178247.32×2.62AS568-277291.69×3.53AS568-385405.26×5.34AS568-278304.39×3.53AS568-386430.66×5.34AS568-279329.79×3.53AS568-387456.06×5.34AS568-280335.19×3.53AS568-388481.46×5.34AS568-281380.59×3.53AS568-389506.86×5.34AS568-282405.26×3.53AS568-390532.26×5.34AS568-283430.66×3.53AS568-391557.66×5.34AS568-284456.06×3.53AS568-392582.68×5.34AS568-393608.08×5.34AS568-394633.48×5.34AS568-395658.88×5.34

tia568b3光纤标准

tia568b3光纤标准

tia568b3光纤标准 1. 介绍 1.1 目的 本标准制定了光纤布线系统(如：线缆、连接头等)所用器件及传输质量的要求。线缆指50/125μｍ、62.5/125μｍ多模光缆和单模光缆。 1.2 标准分类 根据EIA工程出版物EP-7B，标准分为两类：强制性标准和建议性标准。本标准中用“必须”表述强制性标准，用“应该”、“可以”或“最好”表述建议性标准。 强制性标准通常用于安全、性能、管理和兼容性方面的要求，它们做出的规定是对布线系统的最低要求。建议性标准提高了对布线系统的要求，使布线系统能在预期的应用中稳定工作。 文本、表格和图形中的注释、强调提供了有信息价值的建议。 1.3 美国惯用尺寸与公制尺寸的转换 在本标准中多数的公制尺寸是美国惯用单位的转换值，例如：100毫米(mm)是4英寸。 1.4 本标准适用期限 标准中的条款会修订、更新以适应建筑技术和通讯技术的发展。 2. 范围 2.1 适用性 本标准针对布线中用到的光纤器件(如：光缆、连接头、连接硬件、光纤跳线和现场测试设备)规定了最低要求。 2.2 标准参考 制定本标准参考下段文本中所列标准，所列标准在公布时已核对过。所有标准都与版本关联，以本标准为依据的一方应该调查使用所列标准的最新版。ANSI和TIA记录了他们出版的最新的国家标准。 ·ANSI/EIA/TIA-455-A-1991 标准化测试程序，针对光纤、光缆和变频器、传感器、连接与终端设备，及其他光纤组件等 ·ANSI/ICEA S-83-596-1994 建筑物内光缆

·ANSI/ICEA S-87-640-2000 室外通信光缆 ·ANSI/TIA/EIA-526-7-1998 安装单模光缆的光损耗测量PLANT-OFSTP-7 ·ANSI/TIA/EIA-526-14-A-1998 安装多模光缆的光损耗测量PLANT-OFSTP-14A ·ANSI/TIA/EIA-598-A-1995 光缆颜色编码 ·ANSI/TIA/EIA-604-3-1997 FOCIS 3光纤连接器件的匹配标准 ·ANSI/TIA/EIA-606-1993 商业建筑物电信基础构造的管理标准 3. 定义，缩写，度量单位 3.1 概要 本条款定义了具有专有意义或本标准使用的特定术语、缩写。只在某一条款中使用的术语在条款内或其开始处定义。 3.1.1 定义 条款中的普通定义已经在系统的电信基础构造标准中阐明；定义中不包含强制性标准规定的要求，要求的详细内容在标准相应条目中说明。 Adapter；optical fiber duplex(光纤双工适配器)：一种机械终结装置，使两个双工光纤连接头对齐和连接，形成光的双连接。 Administration(管理)：针对电信构造的移动，附加和更改而设计的有关标签，标识文件和使用的管理方法。 Backbone(干线)：一种设施(例如，通路、电缆或导体)，在建筑物内(或建筑物间)的电信小间，楼层分配间，入口设备，或者设备间。 Cable(线缆)：包在外皮中的一根或多根导线或光纤的组合，允许使用单根导线或成组导线。 Cable run(电缆传输)：沿着路径，可以包含其他组件的一段安装媒介。 Cable sheath(电缆外皮)：光纤或导体外面的覆盖物，包含一个或多个金属构件、加强构件或护套。 Cabling(布线)：所有电缆、跳线、软线和连接硬件的组合。 Campus(校园)：有法定关联的临近的建筑物和场地。 Centralized cabling(集中式接缆)：从工作区向集中的交叉-连接的一种布线结构，使用电缆，连接或者在电信间的接续。

ASTM B568-1998

ASTM B568-1998

Designation:B568–98(Reapproved2004)

StandardTestMethodfor

MeasurementofCoatingThicknessbyX-RaySpectrometry1

ThisstandardisissuedunderthefixeddesignationB568;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.

ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.

1.Scope

1.1ThistestmethodcoverstheuseofX-rayspectrometryto

determinethicknessofmetallicandsomenonmetalliccoatings.

1.2Themaximummeasurablethicknessforagivencoating

isthatthicknessbeyondwhichtheintensityofthecharacter-

isticsecondaryXradiationfromthecoatingorthesubstrateis

nolongersensitivetosmallchangesinthickness.

1.3Thistestmethodmeasuresthemassofcoatingperunit

Kalrez 规格尺寸对照表(AS 568和Metric)

Kalrez 规格尺寸对照表(AS 568和Metric)

规格标准代码IDCSDIDCSDIDCSDPipelineAS 568AmmmmIDin inchCSDin inchinchinchSMALL0010.741.021/321/320.0290.040SMALL0021.071.273/643/640.0420.050SMALL0031.421.521/161/160.0560.060SMALL0041.781.785/641/160.070.070SMALL0052.571.783/321/160.1010.070SMALL0062.91.781/81/160.1140.070SMALL0073.681.785/321/160.1450.070SMALL0084.471.783/161/160.1760.070SMALL0095.281.787/321/160.2080.070SMALL0106.071.781/41/160.2390.070SMALL0117.651.785/161/160.3010.070SMALL0129.251.783/81/160.3640.070SMALL01310.821.787/161/160.4260.070SMALL01412.421.781/21/160.4890.070SMALL015141.789/161/160.5510.070SMALL01615.61.785/81/160.6140.070SMALL01717.171.7811/161/160.6760.070SMALL01818.771.783/41/160.7390.070SMALL01920.351.7813/161/160.8010.070SMALL02021.951.787/81/160.8640.070SMALL02123.521.7815/161/160.9260.070SMALL02225.121.7811/160.9890.070SMALL02326.71.781 1/161/161.0510.070SMALL02428.31.781 1/81/161.1140.070SMALL02529.871.781 3/161/161.1760.070SMALL02631.471.781 1/41/161.2390.070SMALL02733.051.7815/161/161.3010.070SMALL02834.651.781 3/81/161.3640.070SMALL02937.821.781 1/21/161.4890.070MEDIUM030411.781 5/81/161.6140.070MEDIUM03144.171.781 3/41/161.7390.070MEDIUM03247.351.781 7/81/161.8640.070MEDIUM03350.521.7821/161.9890.070MEDIUM03453.71.782 1/81/162.1140.070MEDIUM03556.871.782 1/41/162.2390.070MEDIUM03660.051.782 3/81/162.3640.070MEDIUM03763.221.782 1/21/162.4890.070MEDIUM03866.41.782 5/81/162.6140.070MEDIUM03969.571.782 3/41/162.7390.070MEDIUM04072.751.782 7/81/162.8640.070MEDIUM04175.921.7831/162.9890.070MEDIUM04282.271.783 1/41/163.2390.070MEDIUM04388.621.783 1/21/163.4890.070MEDIUM04494.971.783 3/41/163.7390.070MEDIUM045101.321.7841/163.9890.070MEDIUM046107.671.784 1/41/164.2390.070MEDIUM047114.021.784 1/21/164.4890.070MEDIUM048120.371.784 3/41/164.7390.070MEDIUM049126.721.785 1/164.9890.070LARGE050133.071.785 1/41/165.2390.070SMALL1021.242.621/163/320.0490.103SMALL1032.062.623/323/320.0810.103SMALL1042.842.621/83/320.1120.103SMALL1053.632.625/323/320.1430.103SMALL1064.422.623/163/320.1740.103SMALL1075.232.627/323/320.2060.103SMALL1086.022.621/43/320.2370.103SMALL1097.592.625/163/320.2990.103SMALL1109.192.623/83/320.3620.103SMALL11110.772.627/163/320.4240.103SMALL11212.372.621/23/320.4870.103SMALL11313.942.629/163/320.5490.103SMALL11415.542.625/83/320.6120.103SMALL11517.122.6211/163/320.6740.103SMALL11618.722.623/43/320.7370.103SMALL11720.32.6213/163/320.7990.103SMALL11821.892.627/83/320.8620.103SMALL11923.472.6215/163/320.9240.103SMALL12025.072.6213/320.9870.103SMALL12126.642.621 1/163/321.0490.103SMALL12228.242.621 1/83/321.1120.103SMALL12329.822.621 3/163/321.1740.103SMALL12431.422.621 1/43/321.2370.103SMALL12532.992.621 5/163/321.2990.103SMALL12634.592.621 3/83/321.3620.103SMALL12736.172.621 7/163/321.4240.103SMALL12837.772.621 1/23/321.4870.103MEDIUM12939.342.621 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