【产品】一体式卡簧固定安装结构的夹式指形簧片，可靠性好，屏蔽效能高

时间： 2019-03-10 来源：Laird

技术问答

LAIRD（莱尔德科技）是全球领先指形簧片生产商，该公司开发的多种屏蔽和接地垫片产品，获得了国际性的专利。夹式指形簧片系列采用的是一体式卡簧固定的安装结构，主要是设计用于不能使用粘合剂安装的应用环境，例如高温环境等。

图1 夹式指形簧片全系列产品实物图

这种夹式指形簧片产品的EMI屏蔽性能与粘贴安装类簧片相同，在100MHz平面电磁波的条件下，屏蔽效能达到100dB以上。按照产品的机械结构进行分类，夹式指形簧片可分为三个大类，D形卡簧的SNAP-TITE^®系列，T形卡簧的GRIP-TITE^®系列，还有迷你夹式指形簧片系列。

上图为SNAP-TITE^®系列夹式指形簧片产品的结构示意图，该系列的固定卡簧为D形结构，可以紧扣住安装表面的穿孔或定位槽。优点是可以形成全方向的强大抓握力，结构可靠性和接触性好，具有十分良好的导电性能。

上图为GRIP-TITE^®系列夹式指形簧片的结构示意图，固定卡簧为T形结构，通常用于较软的安装面材料，例如铝或电镀塑料等。T形卡簧结构可以紧紧的咬住安装表面，固定住簧片的同时，还能保证良好的导电性。

最后是迷你夹式指形簧片系列，有97-645和97-646两个型号，是Laird为了最新的轻薄材料应用需求而专门设计的新型产品。该系列簧片的安装结构是迷你型的D形卡簧，具有夹式簧片系列中的最低压缩应力，并且几乎没有永久压缩变形量，在高达60%的压缩量条件下，仍能恢复100%的原始高度。高性能铍铜的材质，具有最佳的导电性和机械性能，循环寿命高达50,000次以上，确保无断裂、无磨损或永久压缩变形。

夹式指形簧片的典型应用：

• 高温屏蔽应用

• 屏蔽机箱，屏蔽设备舱

• 铝质表面，电镀塑料表面

• 小型电信设备

• 便携式设备

• 轻薄型应用环境

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折叠式指形簧片是Parker Chomerics指形簧片系列中的一个特别类型，该类型簧片的底面延伸出一个锐角折叠的结构，该结构能起到两个作用，一是起到增强簧片的压缩弹性，能够抵抗更大的压缩应力；二是对簧片的指形结构起到保护作用，避免反复压缩碰撞对指形结构造成损伤。特别适合于各种经常开关的屏蔽门、屏蔽盖等应用。选型时，建议的预留压缩量在20%~60%之间。仅提供铍铜材质的产品，属于高性能型产品。

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目录- EMI INTRODUCTION & SUMMARY BOARD LEVEL SHIELDS FINGERSTOCK VENT PANELS FABRIC-OVER FOAM ELECTRICALLY CONDUCTIVE ELASTOMERS MICROWAVE ABSORBERS

型号- 8863-0150,8404-0121-XX,8906-0171-XX,8560-0099-XX,8904- 0129-XX,8907-0140-XX,8104-0104-40,8410-0105-50,8516-0201-XX,8908-0108-XX,BMI-S-209-F,8856-01C3,4740,8401-0133-XX,8863-0140,8863-0145,8907-0174-XX,8563-0133-XX,8563-0108-XX,8403-0106-50,8563-0213-XX,8901-0117-XX,8403-0105-XX,8863-0130,8863-0135,4741,4742,4744,4502,8412-01XX-54,8412-01XX-52,8915-0130-XX,8408-0251-XX,8901-0176-XX,8412-01XX-55,4520,8918-0105-XX,8402-01XX-XX,8412-01XX-50,8415-0112-64,8413-0105-64,8863-0120,4518,8904-0129-XX,8901-0140-XX,8103-0101-40,8863-0125,4512,4513,8401-0121-XX,4516,4517,8563-0131-XX,4531,8863-0196,8401-0155-XX,8412-01XX-61,8412-01XX-60,8863-0197,8560-0143-XX,4N64EF51N00225,4529,4N64EM51N00171,8863-0198,8863-0199,8103-0125-40,8907-0129-XX,4522,4524,4525,8908-0180-XX,4528,2238 -.25,8563-0077-XX,8103-0113-40,BMI-S-207-F,4541,4542,4N64ER51N00225,8863-0180,8104-01XX-48,8104-01XX-49,8908-0118-XX,8415-0110-64,8863-0183,8516-0211-XX,8863-0184,8909-0122-XX,4532,BMI-S-305,8905-0157-XX,4533,4534,4536,4537,SNC70-RXP,8401-0123-XX,8868-0085,8560-0330-XX,8903-0171-XX,4791,4N64EP51N00171,4792,88980001XXA,4795,8863-0170,8401-0111-XX,8905-0180-XX,8863-0175,8409-0173-50,8868-0084,8868-0081,8902-0135-XX,8904-0105-XX,8563-0089-XX,8860-0093-100-XX,4302,4786,4787,4788,4789,4548,8563-0165-XX,8902-0101-XX,8868-0075,4320,8863-0160,8101-0104-40,8868-0070,8863-0165,8409-0106-50,88900001XXA,8414-0108-64,8402-0102-XX,4796,4797,4798,8403-0115-XX,S363-0120,4315,4799,8563-0143-XX,8563-0106-XX,*4500,4571,*4501,4330,4573,8910- 0125-XX,4575,323S,8860-0093-324-XX,8416-0320-22,8401-0113-XX,97-568*,8563-0090-XX,2388,8904-0137-XX,4325,4568,8404-0118-XX,8416-0120-23,8912-0140-XX,8101-01XX-49,8101-01XX-48,8101-01XX-47,4582,8412-0104-50,4583,4584,4100,8903-0122-XX,8101-0102-40,8101-01XX-41,8417-3XXX-62,8101-01XX-40,8416-0320-21,4N64EW51N00281,8103-0103-40,*77-091,4579,4339,8563-0279-XX,8909-0178-XX,8410-0107-50,8890-MGS103072-93,8908-0157-XX,4591,4593,4594,4110,4111,4112,4596,8414-0104-64,4597,4355,4113,77-090B,8408-0212-XX,8903-0110-XX,8563-0255-XX,2240 -.25,77-110,8911-0102-XX,4105,4106,8104-0106-40,8401-0101-XX,4349,8103-0115-40,4360,4361,4120,8300-0100-44,8906-0116-XX,4363,4121,4123,4365,8563-0079-XX,8860-0093-300-XX,77-100,77-101,4356,4114,8908-0101-XX,8402-0106-XX,4599,4357,4115,8102-0209-40,4358,5206,4359,4117,8907-0107-XX,8902-0108-XX,4370,*4300,8406-01XX-55,4372,8907-0109-XX,8406-01XX-54,4131,97-630,8403-0107-XX,97-631,4375,4133,97-632,4134,4376,8416-0120-57,97-633,8563-0211-XX,97-634,8916-0135-XX,8563-0080-XX,8906-0175-XX,8401-0103-XX,8406-01XX-60,4368,4126,8563-0257-XX,8862-0105,8907- 0129-XX,8104-0108-40,SNN60-RXP,8910-0125-XX,8862-0100,8406-01XX-61,4N64EK51N00138,8905-0116-XX,8413-0103-64,4142,8860-0032-324-XX,8909-0102-XX,4143,97-620,97-621,4387,97-622,97-623,97-624,8860-0032-150-XX,8908-0177-XX,8401-0137-XX,97-627,97-628,97-629,8404-0108-XX,8402-0104-XX,8912-0150-XX,8414-0106-64,4136,8408-0200-XX,4379,8102-0207-40,8909-0168-XX,8406-01XX-52,8563-0128-XX,8406-01XX-50,4392,4150,4394,97-610,97-611,4157,97-612,97-613,97-614,8904-0125-XX,97-615,97-616,SNL60-RXP,97-618,8560-0145-XX,97-619,4391,8903-0156-XX,8560-0097-XX,*77-083,*77-084,*77-085,8901-0107-XX,4389,8906-0118-XX,4148,*77-082,8516-0203-XX,4161,4163,8412-0102-50,4164,8563-0327-XX,8904-0170-XX,8563-0069-XX,4168,97-603,97-604,97-605,0095-X997-00,8901-0130-XX,97-606,97-607,4160,*77-078,*77-079,M83528/002X006,8103-0105-40,8907-0176-XX,8862-0114,4158,8862-0113,8401-0125-XX,8862-0112,4172,4173,8864-2618,4176,8907-0157-XX,8906-0107-XX,4179,97-438,4170,4171,8912-0102-XX,89XX-01XX-43,8103-0106-40,89XX-01XX-42,8918-0135-XX,89XX-01XX-40,77-106D,4169,8860-0100-100-XX,4184,8403-0112-XX,4186,8104-0109-40,4189,4N64EH51N00290,3363-0197,8864-3714,4181,BMI-S-201-F,8864-3715,4182,8401-0127-XX,2238 - S,77-105C,8402-0108-XX,843X-2XXX-X,8911-0145-XX,8414-01XX-65,8414-01XX-64,8404-0115-XX,4194,97-650,8103-0118-40,4198,8907-0180-XX,4199,8403-01XX-55,8403-01XX-54,8560-0311-XX,8403-01XX-52,8902-0150-XX,4192,8401-0115-XX,8403-01XX-50,8860-0125-300-XX,8408-0245-XX,3027-235,8563-0161-XX,BMI-C-010-*,8905-0137-XX,8910-0140-XX,97-640,8408-0209-XX,8904-0168-XX,8409-0158-50,8403-0101-50,97-645,97-646,8911- 0125-XX,8403-01XX-60,8913-0140-XX,8403-01XX-61,8415-0106-64,8914- 0130-XX,8909-0105-XX,8902-0117-XX,8563-0116-XX,8404-0105-XX,BMI-S-210-F,8401-0117-XX,M83528/009X002,M83528/009X001,8904-0156-XX,8864-0231,8516-0205-XX,M83528/009X005,8560-0435-XX,M83528/009X004,8410-0101-50*,8563-0071-XX,M83528/009X003,M83528/009X009,M83528/009X008,M83528/009X007,8904-0110-XX,8409-0168-50,8408-0257-XX,8864-3515,3078-500,8563-0254-XX,8910-0105-XX,8415-0104-64,8907-0101-XX,8300-0038-44,8403-0109-XX,8906-0109-XX,8563-0095-XX,8103-0108-40,8911-0135-XX,8860-0032-300-XX,8902- 0129-XX,8901-0110-XX,8905-0175-XX,8915- 0130-XX,8414-01XX-56,SNK55-RXP,8401-0105-XX,97-440,8403-0110-XX,8902-0174-XX,8917-0130-XX,8102-0205-40,8414-0103-64,BMI-C-006,5092,BMI-C-002,BMI-C-001,BMI-C-004,8913-0150-XX,8904-0178-XX,M83528/009X013,M83528/009X012,M83528/009X011,M83528/0

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Laird（莱尔德）指状弹簧/垫圈/金属接地产品选型指南

目录- FINGERSTOCK, GASKETS AND METAL GROUNDING VISUAL PART REFERENCE GUIDE FINGERSTOCK, GASKETS AND METAL GROUNDING PART NUMBER CROSS REFERENCE FINGERSTOCK, GASKETS AND METAL GROUNDING MOUNTING METHODS FINGERSTOCK, GASKETS AND METAL GROUNDING ORDERING INFORMATION FINGERSTOCK GASKETS AND METAL GROUNDING PRODUCTS METAL CONNECTOR SHIELDS CONTACTS EMI GASKETS CORROSION

型号- 97-550,97-430,97-551,95-822,97-310,97-552,97-553,97-313,97-555,97-556,95-827,97-436,95-828,97-558,97-438,97-559,95-702,95-823,95-824,95-825,95-826,77-098,77-099,77-096,77-097,97-780,97-781,97-540,97-782,97-420,97-541,97-783,97-300,97-421,97-542,97-422,97-423,97-544,97-786,97-424,97-545,97-787,77-094,77-092,97-548,77-093,77-090,77-091,77-089,77-087,77-088,95-1000,77-085,77-086,97-770,97-650,97-771,97-772,97-410,97-773,97-654,97-655,77-083,97-535,97-656,77-084,97-536,97-778,77-081,97-537,97-779,77-082,97-538,0095-X996-00,77-078,77-079,77-076,77-077,77-075,97-640,97-520,97-521,77-072,97-645,97-525,97-646,77-070,97-768,77-071,97-527,97-769,77-065,77-066,77-063,77-064,97-593,97-110,97-111,97-232,BMIC-010,97-112,97-113,97-114,97-115,97-116,77-061,97-117,77-062,97-910,77-060,97-913,97-915,97-916,77-058,77-059,97-918,77-056,97-919,77-057,77-054,77-055,77-052,77-053,97-360,97-361,97-340,97-582,97-583,97-221,97-584,97-585,97-223,97-586,97-587,97-105,97-589,BMIC-004,77-050,77-051,BMIC-001,77-047,77-048,77-045,77-046,77-043,77-044,77-041,77-042,97-590,77-049,97-330,97-572,97-210,97-573,97-211,97-574,97-575,97-576,97-577,97-215,97-578,97-216,97-579,77-040,77-036,77-037,77-035,77-032,77-033,77-030,77-031,77-038,97-580,77-039,97-581,97-560,BMIC-007-01,97-440,97-561,97-320,97-563,97-564,97-445,97-204,97-567,97-205,97-568,97-569,77-025,77-026,77-023,77-024,77-021,77-020,77-029,77-027,77-028,97-153,97-154,97-155,97-156,97-951,97-952,97-954,97-955,97-957,97-958,77-014,77-015,77-012,77-010,77-011,0097-0520-02,77-018,77-019,77-016,77-017,97-142,97-143,97-941,97-822,97-823,97-824,97-825,97-826,97-827,97-828,97-390,97-150,97-151,97-152,97-252,97-254,97-134,97-255,97-135,97-136,97-137,97-139,77-110,XXX,97-380,97-381,97-140,97-141,97-241,97-487,97-488,97-489,97-921,77-100,77-101,77-106,97-490,77-107,97-370,77-105,97-251,97-076,97-630,97-510,97-631,97-632,97-633,97-634,97-515,97-636,97-637,0095-X998-00,95-901,95-902,97-620,97-983,97-500,97-621,97-622,97-623,97-624,97-505,97-627,97-628,97-629,97-070,97-192,97-072,97-074,97-972,98-XXX,97-610,97-973,97-611,97-974,97-612,97-975,97-613,97-976,97-614,97-615,97-616,97-618,97-619,77-SERIES,97-185,97-964,97-723,97-965,97-603,97-966,97-604,97-725,97-605,97-606,97-727,0095-X997-00,97-607,97-728,97-290

选型指南 - LAIRD - 2020/4/9 PDF 英文下载