【应用】基于ASIM ESD整改头戴式蓝牙耳机案例：解决蓝牙断开连接自动关机重启，耳机出现杂音问题

时间： 2023-06-29 来源：ASIM 阿赛姆公众号

技术问答

前言：根据耳机的佩戴方式的差异，市场上往往将蓝牙耳机分成了头戴式、入耳式、和半入式等。相对于其它款式的耳机，头戴式蓝牙耳机有着声场好、舒适度高、更不容易伤耳朵和续航表现更为出色等优点;但是在EMC方面，由于头戴式耳机复杂的结构，其ESD往往表现得更加薄弱。

本次来我司整改产品头戴式蓝牙耳机，外壳为塑料材，侧面带金属logo。按IEC/EN61000-4-2标准测试静电后有蓝牙断开连接自动关机重启，耳机出现杂音以下为测试数据：

一、整改前数据：

整改方案：

1.两个MIC上对地并联ESD(ESD5D150SA)，L+、L-对地并联ESD(ESD5D150SA)如下图紫圈处,并且线上串静电吸收器(型号：EOB1005L350T)：

2.蓝牙天线对地并联ESD(ESD5D003SA)，如下图紫色箭头处：

二、整改思路：

此款耳机打耳机金属片，金属片未接地，并且与内部PCB板未有任何可能拉弧的缝隙。因此判断产品受静电放电产生的电磁场干扰可能性很大，进一步排查，用静电枪在相同位置上，对放电地线产生拉弧现象，机器能复现相同的不良现象。因此确定产品受静电干扰产生的电磁场干扰。

ESD增强建议：

(1)在FPC连接器信号端口处对地并联ESD(型号：ESD5D150SA)建议板子上的信号串静电吸收器型号为(EOB1005L350T)。

(2)FPC线改为带屏蔽的FPC线

(3)主板和右耳之间的信号线连接处的表层地铺上，使得ESD的泄放地更完整

(4)检查软件，消除软件上的BUG，使得软件运行起来更稳定

(5)蓝牙模块芯片地与地层之间的过孔要增加

(6)板子最好不要分地，分地会造成信号回路面积增加，增加ESD风险。

二、整改后数据：

深圳市阿赛姆电子有限公司位于深圳市银星高科技产业园，是一家集电子保护元器件自主研发、生产、销售及EMC设计、EMC技术支持的高科技企业。公司主营产品包括TVS ESD、滤波器、磁珠、等保护器件，在通信、计算机/服务器、安防、军用产品、汽车电子、家电、工业控制、数码消费等领域得到广泛应用。

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本文由玉鹤甘茗转载自ASIM 阿赛姆公众号，原文标题为:头戴式蓝牙耳机ESD整改，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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优恩半导体（UNSEMI）ESD静电保护/雷击浪涌保护器件/串口芯片产品选型指南（中文）

目录- 企业简介和产品概览静电保护器（ESD）瞬态抑制二极管（TVS）半导体放电管（TSS）双向触发二极管（SIDAC）压敏电阻（MOV）陶瓷气体放电管（GDT）玻璃气体放电管（SPG）微型防雷模组（MLPM）自恢复保险丝（PPTC） RS485/422收发器 CAN收发器网口RJ45连接器分立功率器件 EMI保护元器件

型号- SMDJ-AT SERIES,07DXXKJ,UN2E8-XXXML SERIES,SMBJ,UN2E5-XXXLL SERIES,UN232,UN2E8-XXXL HV,4.0SMF SERIES,UN1812-XXXCSMD SERIES,10DXXKJ,5.0SMDJ-AT SERIES,P6KE SERIES,30KP SERIES,SACB SERIES,UNS1K SERIES,PXXXSC SERIES,P4KE,SMD0603 SERIES,10DXXKEC SERIES,UN490E,UN3E8-XXXHP,UNSDC12V-3L,07DXXK,07DXXL,UN3E5-XXXMSMD,PXXXSB,15KPS,PXXXSA,PXXXSB-2L,P4SMA SERIES,SA SERIES,SMAJ,UN2220 SERIES,05DXXKJ,SAC SERIES,SMF SERIES,PXXXSC,KXXXSA SERIES,20KP,5.0SMDJ SERIES,0402 SERIES,20KP SERIES,TPSMAJ SERIES,PXXXLB SERIES,SMCJ SERIES,UN3490,P4SMA,UNSDC24V-3L,SMDJ,UNS1K,UN3E6-XXXMM,UN65HVD75,UN2E8-XXXL HV SERIES,SMDT,UN1812 SERIES,UN3220 SERIES,SA,UN2E8-XXXML,UNS4032 SERIES,UN2E8-XXXHL SERIES,UN2E5-XXXL HV,UNSDC58V-2L,SMD1210 SERIES,UN2E5-XXXLSMD,PXXXEC SERIES,UN3485,UN16,5KP,1.5KE SERIES,TP5.0SMDJ,14DXXL SERIES,07DXXKBC SERIES,MCM系列,UNS2K,UN2E8-XXXMSMD,UN2E5-XXXLL HV SERIES,10DXXKEC,UNSDC24V-2L,32DXXL SERIES,UN3E8-XXXHM SERIES,SMCJ,TPSMB SERIES,UN1210-XXXBSMD SERIES,UN3E6-XXXM,TPSMDJ SERIES,UN65HVD233,UN65HVD234,100M,UN65HVD232,UN65HVD230,SMBJ-AT,UN2E5-XXXL,UN2E8-XXXM,UN1210-XXXBSMD,34SXX,KC SERIES,UN2E6-XXXLSMD SERIES,UN2E8-XXXH,UNB-XXXN-SMD,UN3E8-XXXHMF,32DXXKJ SERIES,UN1050,UN3232E,UN1050ISODUB,32DXXKJ,40DXXK,UNS3220,UNB-XXXN/M,40DXXL,UN3085NE,SMCJS,UN2E8-XXXHSMD,HCM系列,TPSMB10J,32DXXK,32DXXL,PXXXEC,UN30,PXXXEB,KXXXSB,PXXXEA,30KP,KXXXSA,P6SMB SERIES,1012,KXXXSD1,PXXXSC-2L SERIES,15KP,PXXXSC-2L,0603,SMD2920 SERIES,10SMBT,14DXXKJ,UN82C250,UNSRS485-2HL,UN82C251,10SMBJ,25DXXL SERIES,05DXXL SERIES,TPSMC SERIES,UN2H8-XXXL HV SERIES,UNSDC58V-3L,SM8Z SERIES,TPSMCJ SERIES,SM5Z,UN6,UN3E5-XXXL,UN3088E,KXXXG SERIES,PXXXTB,PXXXTA,KXXXG,UN2E5-XXXLSMD SERIES,KA SERIES,UNB-XXXN-SMD SERIES,2012,UN3088ES,07DXXL SERIES,5KP SERIES,UN3485ISO,8KP SERIES,PXXXEA SERIES,UNA-XXXN/M SERIES,SMCJS SERIES,3KP,SM8Z,UN3E5-XXXLM,SMCJ-AT SERIES,LCE SERIES,UNC-XXXN/M SERIES,UN3E8-XXXHM,PXXXSA SERIES,UNSRS485-2H,SMCJ-AT,UN0805 SERIES,PXXXDM,POE58C,15SMBJ,PXXXTB SERIES,PXXXSB-2L SERIES,UNA-XXXN-SMD,40DXXKJ SERIES,UNS3220 SERIES,UN1206 SERIES,P4KE SERIES,SM5Z SERIES,UN2E8-XXXMSMD SERIES,UN3E6-XXXMM SERIES,05DXXK,05DXXL,UN600 SERIES,1012 SERIES,UNB-XXXN/M SERIES,8.0SMDJ,UNSRS485-2L,P6SMB,SACA SERIES,40DXXKJ,1000M,40DXXL SERIES,PXXXDM SERIES,SACA,UN0603 SERIES,SACB,UN2E5-XXXL SERIES,UN2H8-XXXLL HV SERIES,SMD2920,0402,8.0SMDJ SERIES,25DXXL,25DXXK,UN30 SERIES,10DXXL SERIES,25DXXKJ,20DXXL SERIES,5KPS,UNA-XXXN-SMD SERIES,UN485E,UN2E8-XXXHL,PXXXSB SERIES,UN485ES,PXXXTA SERIES,UN3E8-XXXHMF SERIES,UN2H8-XXXLL HV,SMDJ-AT,4.0SMF,SMF,TPSMB10J SERIES,0603 SERIES,5KPS SERIES,UN2E8-XXXH SERIES,KD SERIES,UN60,SMAJ-AT SERIES,TPSMDJ,UN1206-XXXASMD SERIES,UN2E8-XXXHSMD SERIES,UN3232E-T,UN1210 SERIES,14DXXKSC,07DXXKBC,10DXXK,UNSDC48V-2L,10DXXL,53DXXK,UN3E8-XXXHSMD SERIES,2012 SERIES,UN0805,UN3E5-XXXMSMD SERIES,KA,KB,UN1812-XXXCSMD,KC,TPSMCJ,UN2E8-XXXLL HV,6.0SMAJ SERIES,KD,14DXXKSC SERIES,UNS2K SERIES,10SMBJ SERIES,TP5.0SMDJ SERIES,SMD1812 SERIES,UN60 SERIES,5.0SMDJ,UN3490E,UNSDC48V-3L,20DXXKYC SERIES,SMD0603,SMD1812,KXXXSB SERIES,UN1206,UN16 SERIES,SMBJ SERIES,UNSRS422-2H,SMDT SERIES,UN1210,UNSRS422-2L,UN135 SERIES,TPSMBJ,PXXXLC SERIES,UNS4032,UNA-XXXN/M,0201 SERIES,UN1206-XXXASMD,UN2H8-XXXL HV,5.0SMDJ-AT,UN3E5-XXXL SERIES,UNC-XXXN/M,20DXXKYC,UN3485S,UN3E6-XXXM SERIES,34SXX SERIES,UN2E5-XXXLL,0201,UN3E8-XXXHP SERIES,UN3E8-XXXH SERIES,UN1042,UN3220,TPSMAJ,UN1040,UN2E8-XXXLL HV SERIES,15KP SERIES,8KP,UN2E5-XXXL HV SERIES,UN2E6-XXXLSMD,6.0SMAJ,UN3E8-XXXHSMD,34SXXJ SERIES,SMD1206 SERIES,SMBJ-AT SERIES,TPSMA SERIES,LCE,UN600,14DXXK,UN6 SERIES,14DXXL,UNC-XXXN-SMD SERIES,UNSRS422-2HL,15SMBJ SERIES,SAC,SMD0805 SERIES,SMAJ SERIES,UN3E5-XXXLM SERIES,UN3E5-XXXLSMD SERIES,UN250 SERIES,UN3E8-XXXH,UN485CUA,UN488E,UN250,KB SERIES,PXXXLC,UN2E5-XXXLL HV,UN135,PXXXLB,PXXXLA,SMD1206,UN0603,UN1812,20DXXL,20DXXK,PXXXEB SERIES,10SMBT SERIES,1.5KE,UNC-XXXN-SMD,3KP SERIES,P6KE,KXXXSD1 SERIES,TPSMC,SMD0805,TPSMB,TPSMA6J SERIES,TPSMA,TPSMBJ SERIES,34SXXJ,20DXXKJ,SMD1210,SMDJ SERIES,UN2220,UN2E8-XXXM SERIES,TPSMA6J,UNSDC12V-2L,1.5SMC SERIES,15KPS SERIES,SMAJ-AT,PXXXLA SERIES,UN3E5-XXXLSMD

选型指南 - 优恩半导体 - 2021 PDF 中文下载

美森科（MSKSEMI）ESD防护器件/二极管/三极管/LDO/MOSFET选型指南

描述- MSKSEMI(美森科半导体)公司是一家全球知名的半导体分立元器件厂商，产品远销全球多个国家，被公认为是半导体行业富有创新力的公司之一。美森科从事于ESD防静电保护管、TVS管、MOSFET场效应管、二三极管，集成电路等半导体器件的研发设计及生产，是一家创新型技术企业。广泛应用于手机、电脑、网络通信、消费类电子、工业控制LED照明、医疗电子、新能源应用等众多领域。拥有资深电子工程师多名及产品研发测试中心，竭诚为客户提供高效率、高质量、全方位的技术和一站式服务。

型号- SMCJ36CA,DTC113ZCA,MS9926BS,DTC114TUA,GBLC15CI-MS,SMAJ6.0CA,SD36-MS,SMAJ40CA,SMBJ51A,SMF10CA,ZMM2V4-MS,ES6EC,ESD5Z08-MS,SS120A,ZMM24B-MS,SS120F,MMBT4401,MMBT2222,DTA144EKA,RS3BBF,MMBT4403,MSDXXC SERIES,K53,ESD15VHHU-MS,K52,K55,K54,MSG10P10D,K56,ES2JBF,SMF26A,K58,ESD15DFJC-MS,S2MB,AZ23C6V8,AZ23C6V2,S2MA,ES6DC,SMF45CA,MMSZ5223B,SMCJ14CA,S2MF,BZT52B5V6S,SMCJ78A,SMCJ190A,MS15N10D,ZMM10-MS,DTC143TCA,ESD20DFJ-MS,SMCJ100CA,DTC143XKA,MS6N65F,SD12-MS,ES6CC,SMBJ300A,MS60N04NF,RS6AC,SMF120CA,SMBJ150CA,DTA124XE,BZT52C8V2,BZT52C7V5S,US3EBF,ESD03D6BU-MS,DTA123JKA,SMAJ70A,SMAJ75CA,SMF24A,SS86BF,SMBJ16CA,MMSZ5225B,SS320BF,ES6BC,MMSZ5252BS,SMCJ30A,ZMM3V6-MS,BZT52B9V1,ESD2204-25-MS,2SA1036,A04406-MS,HD6362-MS,ESD0502BN-MS,SI2302I-B-MS,SMF58CA,ESD3Z12-MS,ESD3324P-MS,MS50P02DF,BZT52B5V1S,ZMM33B-MS,ES6AC,LNZ8F3V0T5G-MS,SMCJ75A,SOD05R8WS,US8MC,SMAJ100A,SMF22A,B240B,ESDLC24-MS,ESD8D15V-MS,SS210B,MMSZ5230BS,SS210A,SS210F,US8JC,SMBJ400CA,SMF36CA,ESD0501CU-MS,HER108WS,4953-MS,MS6N60Y,MS4886DF,MS3012GD,ESDLC12-MS,ESD9Z5.0L-MS,SD24-MS,SMCJ220CA,SMF20A,A733,MS6N60F,MS6N60D,MMSZ5221B,MSP712,DTC143XUA,FDS4435BZ-MS,BAV20WS,ESD09DFJ-MS,SI2318AI-MS,DTC113ZKA,S2ABF,MSESD5Z5.0C,BAV20WL,BZX84C9V1,SMF14CA,RS6GC,SMAJ18CA,SS520BF,ESD15FDS-MS,MS4953AS,DTA123JUA,SM05CM-MS,DTA115TM,SMAJ250CA,SMCJ18CA,MS30G20DF,AMS1117-2.5V,DTA115TE,DTC143EM,DTC143EE,C945,DTC143TKA,GBLC05I-MS,SS10200BF,ZMM8V2-MS,RS2AB,ESD3324PL-MS,DTA144ECA,RS2AF,LNZ8F10VT5G-MS,ESD18VHHU-MS,BZT52C3V9S,SMBJ90A,SMF64A,US1B,US1A,ESD18DFJC-MS,SMBJ12CA,A04812-MS,MS20N04D,MUR520,US1J,ZMM22B-MS,HD6955-MS,US1G,US1E,US1D,SMAJ130CA,SMBJ350CA,SMCJ70A,US1M,US1K,SMBJ5.0A,MSESD03CI,A04435-MS,SS38BF,SS520A,SS520B,ZMM3B0-MS,AZ23C30,AZ23C33,ES3EBF,AZ23C36,SMCJ100A,AZ23C39,US2JBF,MSG15H06S,MMSZ5226B,MSG60N04NF,SS520C,SS520F,ZMM15B-MS,SR05LC-MS,ESD0522P-MS,AZ23C20,AZ23C22,AZ23C24,BZT52C3V3S,AZ23C27,MSG96N06BDF,MMSZ5227B,SM08-MS,DTA124ECA,RS6BC,MUR540,ZMM22-MS,SS215A,SS215B,ESD5B5CM-MS,AZ23C11,AZ23C10,ESD0301BU-MS,MS8N70F,AZ23C13,AZ23C12,AZ23C15,BZT52C3V6S,AZ23C16,ESD03D6BN-MS,AZ23C18,SMBJ170A,MMSZ5228B,MS10N65F,SS215F,S3DBF,SM12OC-MS,SMF60A,MS10N65T,DTC114YCA,MS4953CS,MUR560,MMSZ5229B,RS6DC,SMBJ5.0CA,BS170FTA-MS,MS8N60T,RS2GB,GMMT458,BZT52B18S,MS8N60F,15N10-MS,ESD0809V-MS,ZMM6B2-MS,BZX84C5V6,ESD20VHHU-MS,MS304DF-B,MSR05,BSS308PE-MS,DTC144EUA,BZX84C5V1,RS2GF,MS7N80F,SMCJ85CA,DTA143XCA,MS20N10D,SMF70A,ESD5Z3.3L-MS,DTC114TCA,SMBJ78CA,SS24BF,SM712-MS,SMAJ48CA,AOD2610E-MS,SMBJ43CA,BAV103WS,MS4828S,MS6020GD,BZX584C6V2,3N10AI-MS,BZX584C6V8,ZMM7B5-MS,BAV103WL,SS510A,SS510B,SS510C,HD7258-MS,S3AC,SMCJ7.5A,MS10N60F,SMAJ400A,S3AB,2SC2712,2SC2714,ES3DBF,SM36C-MS,SMCJ110A,ES1JF,US2KBF,BZT52B43,SS52F,LBSS84-MS,MS10N60T,SMBJ18A,ZMM20B-MS,SS52A,SS52B,SS510F,SS52C,MMSZ5225BS,SMCJ8.5CA,GBLC15C-MS,MS2N65F,MS2080NF,SMAJ300CA,MS2N65D,ESD0302L-MS,SM5150,D882,SMAJ26CA,DTC124EKA,SD03C-MS,MMBZ20VAL-MS,SS1060BF,MS2N65Y,ZMM2B2-MS,MS30P06D,RS6KC,ESD3Z5V0BU-MS,ES1GF,SMBJ16A,SMBJ30CA,SS315BF,S3DB,S3DC,SMAJ36A,DTC123JUA,SS820B,BZT52B13S,SS820C,BZT52C3V6,ZMM3B3-MS,RS6JC,MS8N65Y,SMF110A,S3BB,BZT52C3V9,S3BC,BZT52C3V0,SMAJ8.5CA,BZT52C3V3,SMAJ180A,SMBJ440CA,MS8N65F,MS8N65D,MMSZ5238BS,SD08-MS,SMBJ17A,SMF85CA,MMBTA05,MMBTA06,RS2BB,SMBJ120CA,MS4606S,ESD0524SP-MS,RS2BF,RS6MC,MS12N65F,DTA124EKA,MS80N06D-B,MS12N65T,MS2N60F,PZTA94,MS2N60D,PZTA92,BZT52B16S,MSD8DXXX,AOD480-MS,SMBJ14A,MS3N40D,SMAJ13CA,MSPESD5Z5.0,ES1EF,9926A-MS,MS2N60Y,SMBJ130A,SM20C-MS,DTA114TCA,SS515F,SS515A,SS515B,RS2DB,SS515C,ES2ABF,RS3KBF,BZT52B15S,ESD3Z3.3-MS,DTA143EE,ZMM2V0-MS,MS4822S,ESD15T-MS,SMBJ15A,ESD5Z2.5-MS,SMAJ170CA,ES1DF,RS2DF,ZMM6V2-MS,LNZ8F6V2T5G-MS,BZT52C43S,MMBTA55,BZT52B10S,BZX584C2V4,SMBJ9.0A,MS15H06S,SS55BF,PZT2222A,1N4007W,US5BC,AON7430-MS,SMBJ12A,SMF7.5A,BZT52B9V1S,SMAJ6.0A,ES1CF,MS20N50T,SS58C,GBLC0301CW-MS,MS20N50F,SS58F,MMSZ5243BS,SMF160CA,SMBJ350A,MMBTA56,MMBTA43,MMBTA44,MMBTA42,SS58A,SMCJ300CA,SS58B,PZTA44,PZTA42,SMCJ7.0A,ES5KB,ES5KC,AOD403-MS,ESD5Z2.5C-MS,ES5JC,SMBJ13A,MS4953S,DTC114TKA,ESD0502L-MS,AO3400I-SW-MS,ES1BF,SI2333-MS,AZ23C2V7,SMCJ170CA,DTC124EUA,S3GC,BZX584C2V7,S3GB,SM05OC-MS,SMAJ33A,SMCJ54CA,ESD8D24V-MS,RS2DBF,BZT52B12S,MS4N65F,MS4N65D,PZTA56,SS13A,SMCJ150A,ZMM18-MS,MSG60N04DF,ES5JB,SD08C-MS,SS33BF,ZMM3V9-MS,SMBJ58A,MS50P03DF,MMSZ5221BS,ZMM75-MS,MS4N65T,SS12A,MS4N65Y,ES1AF,A04828-MS,SMAJ78A,DTC143XCA,SS12F,S3JB,S3JC,BZT52B11S,ESD5Z3.3-MS,SMAJ30A,MSG300N04L,US3ABF,MS12N60F,DTA144EUA,DTC143TM,US5AC,ESD5Z5.0C-A-MS,SMBJ10A,LNZ8F8V2T5G-MS,SMBJ11A,MS12N60T,DTC143TE,5N10-MS,SMAJ22CA,SMBJ220A,SMCJ6.5CA,MS60P03D,MMSZ5256BS,SMAJ75A,SMCJ36A,RS2KB,SMAJ100CA,BAV19W,MMBTA94,ESDLC15-MS,MMBTA92,RS2KF,MMBTA93,US2BBF,B540B,B540C,ESD8D8V0-MS,ES5GB,ES5GC,BZT52B22,LNZ8F24VT5G-MS,SMBJ7.5CA,BZT52B24,SMF54CA,MS304DF,DTA124EUA,BZT52B27,ESD5Z5.0-MS,ZMM5V6-MS,SMF150A,SS54A,SS54B,SS54C,SS54F,BZT52B20,SMCJ45CA,PZTA06,RS2JB,BZT52C7V5,RS2JF,SMF7.0A,DTC143ZM,1N4007WS,SS53F,S3KB,BZT52B33,DTC143ZE,BZT52B36,BZT52B39,S3MBF,3N10-MS,SS53A,SS53B,MS15N65T,SS53C,S3KC,BZT52B30,MMSZ5234BS,SMAJ6.5A,SMBJ440A,RS2MF,SMCJ10CA,BZT52B4V3,SMCJ58CA,S2JBF,BZT52B4V7,SMAJ6.5CA,RS2MB,SMBJ200CA,

选型指南 - 美森科 - 2023/5/7 PDF 中文下载

晟驰新推出的双向低钳位ESD器件CSHS04FBC适用于通信模块DC输入端，具备小巧的封装

通信模块是一种用于实现设备之间数据传输和通信的硬件或软件组件。它充当着设备与设备之间的桥梁，使得数据能够在不同设备之间传递和交流。通信模块的DC输入端VCC往往为4.5V，但是其内部端口的耐压仅仅只有5.5V左右，瞬态耐压也才在9V左右。若采用传统的ESD防护器件，ESD钳位之后的电压仍然高于内部所能承受的电压，无法起到很好的保护作用。

产品发布时间 : 2024-06-11

矽航TVS ESD二极管选型表

功率大、IPP电流高、箝位电压低，用于安防、网通、充电口、电池端的各类浪涌防护，电压覆盖3.3V-550V，封装兼容性强，能适应于不同的位置需求。电容最低0.2PF，最小封装0201，可提供单路、双路、四路、五路及六路的全系列产品

产品型号	品类	峰值脉冲电流Ipp(A)	箝位电压(VC)	最小包装	VRWM(V)	Cj(pF)	峰值脉冲功率(W)(tP=8/20μS)	工作温度(℃)	ESD(kV)	封装
XE0603NC5VB	双向ESD保护二极管	8A	12VC	10000	5V	14pF	80W	-55℃ to +125℃	±30kV(air),±30kV(contact)	DFN0603-2L

选型表 - 矽航立即选型

双向低钳位ESD器件CSHS05FBE，最小工作电压为5.5V，适用于通信模块DC输入端

通信模块是一种用于实现设备之间数据传输和通信的硬件或软件组件。它充当着设备与设备之间的桥梁，使得数据能够在不同设备之间传递和交流。通信模块的DC输入端VCC往往不超过5V，且其内部端口的耐压也不会太高。若采用传统的ESD防护器件，ESD钳位之后的电压相比于内部所能承受的电压还是略高一点，无法起到很好的保护作用。在通信模块的电路设计中，我们推荐使用晟驰的ESD保护器件CSHS05FBE。

产品发布时间 : 2024-06-11

【选型】硕凯电子（Socay）ESD静电保护元件选型指南

目录- ESD静电保护元件

型号- ESD12V23T-2LA,ESD12V32D-A,ESD12V32D-C,ESD08V88D-CDN,SLVU2.8-4,SLVU2.8-8,ESD05V32D-A,ESD3.3V08S-4L,ESD05V32D-LC,ESD05V32D-LA,ESD03V32D-LC,ESD05V14T-3L,ESD15V23T-2A,ESD15V23T-2C,ESD3.3V08S-4C,ESD05V10S-4L,ULC0524P,ESD05V88D-CDN,ESD15V52D-A,ESD03V23T-2LA,ESD12V08S-4L,ESD15V23T-1A,ESD12V08S-4C,EM2378K,ESD15V23T-2LA,ESD92DE005M03-C,ESD05V26T-4L,ESD24V14T-2C,LCDA05C-8,ESD08V88D-CBP,ESD08V23T-2C,ESD05V14T-2C,ESD18V32D-C,ESD08V23T-2A,LCDA05C-4,SMDA24C-7,ESD3.3V32D-A,SMDA24C-8,LC3304NP10,ESD05V26T-5L,ESD3.3V88D-C,ESD05V32D-C,ESD03V92D-A,ESD92DE005M03-A,ESD05V88D-CBP,ESD12V23T-LA,ESD12V26T-5L,ESD05V23T-LA,ESD08V23T-1A,ESD24V88D-CBP,ESD15V08S-6L,ESD3.3V55T-4L,ESD05V08S-4L,ESD3.3V23T-2C,ESD12V08S-6L,ESD3.3V23T-2A,ESD15V14T-2C,ESD05V08S-4C,ESD05V26T-2L,ESD12V14T-2C,ESD15V26T-4L,ESD24V92D-A,ESD18V14T-2C,SLVU2.8,ESD24V52D-A,ESD12V88D-CDN,ESD12V32D-LA,ESD05V32T-2A,ESD12V32D-LC,ESD36V23T-2LA,LC0504NP10,ESD05V23T-2LA,ESD05V23T-2LC,LCDA12C-8,ULC33CP8,ESD36V32D-A,SMDA05C-8,LCDA12C-4,ESD36V32D-C,SMDA05C-7,ESD15V88D-CDN,SMDA12C-8,SMDA12C-7,ESD0502V23T-2C,ESD3.3V23T-2LC,ESD0502V23T-2A,ESD15V26T-5L,ESD24V26T-5L,SR05-04A,ESD05V08P-LC,ESD09V56T-2C,ESD2.5V32D-LCA,ESD36V23T-1A,ESD24V23T-2LA,ESD12V88D-CBP,LCDA24C-8,ESD05V32T-2LC,PXXXXLA,ESD08V32D-C,LCDA24C-4,ESD36V23T-2C,LRV05-4,ESD08V23T-2LA,ESD15V88D-CBP,ESD36V88D-CBP,ESD82DE005M05-C,ESD18V88D-CDN,ESD52DE005M05-C,ESD52DE005M05-A,ESD05V52D-C,ESD3.3V52D-A,ESD05V52D-A,ESD15V23T-LA,ESD3.3V52D-C,ESD0501V32D-LC,ESD15V32D-A,ESD15V32D-C,ESD70V14T-LC,ESD12V23T-2A,ESD12V23T-2C,ESD12V35T-4L,ESD24V56T-4L,ESD48V32D-C,ESD05V14T-LK,ESD05V88D-LC,ESD12V55T-4L,ESD12V52D-A,ESD3.3V88D-CDN,ESD36V14T-2C,ESD24V08S-4C,ESD52DE150M05-C,ESD12V23T-1A,ESD05V36T-5L,ESD3.3V92D-C,ESD05V23T-1A,ESD05V92D-C,ESD36V88D-CDN,ESD05V14T-LC,ESD05V55T-4L,ESD05V92D-A,ULC3304P10,ESD03V23T-1A,ESD3.3V32D-LA,ESD24V23T-LA,ESD24V88D-CDN,ESD05V08S-6L,SM712,ESD15V08S-4C,ESD05V23T-2L,ESD05V36T-4L,ESD05V23T-2A,ESD05V23T-2C,SMDA15C-7,ESD03V35T-4L,SMDA15C-8,ESD08V32D-LC,ESD05V56T-5L,ESD24V08S-6L,ESD82DE005M03-C,PXXXXSA,PXXXXSB,ESD52DE005M03-A,EM2376K,ESD05V56T-4L,ESD05V88D-C,ESD24V23T-1A,ESD06V08S-4L,ESD12V26T-4L,ED15V08S-4L,ESD15V32D-LC,PXXXXTB,ESD24V23T-2A,PXXXXTA,SRV05-4,ESD12V14T-LK,ESD24V23T-2C,ESD05V56T-4LC,ESD08V23T-LA,ESD24V32D-C,ESD24V32D-A,ESD05V25T-4C,PXXXXSC,EM6401M,ESD05V35T-4L,LCDA15C-8,ESD05V56T-2L,LCDA15C-4,ESD92DE005M05-C,EM2374K,ESD12V92D-A,ESD92DE005M05-A,ESD03V32D-LCD,ESD03V32D-LCA,ESD08V14T-2C,ESD24V32D-LC,ESD03V32D-C,ESD18V23T-2C,ESD36V36T-2A,ESD92DE150M05-C,ESD03V23T-LA,ESD08V52D-A,ESD08V52D-C

选型指南 - 硕凯电子 - 2015年2月3日 PDF 中文下载

普罗森美ESD选型表

普罗森美ESD选型表，可为高反应速度，低空间占用率的静电抑制保护器，高分子静电抑制保护器提供选型帮助，电压2V~24V，功率30W~2200W，容值0.05PF~550PF。

产品型号	品类	产品线	系列	封装	电压[V]	功率[W]	容值[pF]	封装形式（Package）
PTN062L3M5B4	静电抑制保护器	ESD	PTN	DFN0603	5V	40W	2.7pF	DFN0603

选型表 - 普罗森美立即选型

晟驰新推出的双向低钳位ESD器件CSHS04FBD，适用于通信模块DC输入端

通信模块是一种用于实现设备之间数据传输和通信的硬件或软件组件。它充当着设备与设备之间的桥梁，使得数据能够在不同设备之间传递和交流。通信模块的DC输入端VCC往往为4.5V，但是其内部端口的耐压仅仅只有5.5V左右。若采用传统的ESD防护器件，ESD钳位之后的电压相比于内部所能承受的电压还是略高一点，无法起到很好的保护作用。

产品发布时间 : 2024-06-11

优恩半导体（UNSEMI）ESD静电保护/雷击浪涌保护器件/串口芯片产品选型指南（英文）

目录- Company Introduction ESD Protection Diodes（ESD） Transient Voltage Suppressor（TVS） Thyristor Surge Suppressors（TSS） Sidac Thyristor（SIDAC） Metal Oxide Varistors（MOV） Gas Discharge Tube（GDT） Spark Gap Protectors（SPG） Micro Surge Protection Module（Micro-SPD） Polymeric Positive Thermal Coefficient（PPTC） RS485/422 Transceiver CAN Transceiver RJ45 Modular Jack connectors Small signal devices EMI Protection devices

型号- SMDJ-AT SERIES,UNS3K,07DXXKJ,UN2E8-XXXML SERIES,SMBJ,UN2E5-XXXLL SERIES,40DXXK SERIES,UN232,UN2E8-XXXL HV,4.0SMF SERIES,UN1812-XXXCSMD SERIES,10DXXKJ,5.0SMDJ-AT SERIES,P6KE SERIES,30KP SERIES,SACB SERIES,UNS1K SERIES,PXXXSC SERIES,P4KE,SMD0603 SERIES,10DXXK SERIES,10DXXKEC SERIES,UN490E,UN3E8-XXXHP,UNSDC12V-3L,07DXXK,07DXXL,UN3E5-XXXMSMD,20DXXK SERIES,PXXXSB,15KPS,PXXXSA,PXXXSB-2L,P4SMA SERIES,SA SERIES,SMAJ,UN2220 SERIES,05DXXKJ,SAC SERIES,SMF SERIES,PXXXSC,KXXXSA SERIES,20KP,5.0SMDJ SERIES,0402 SERIES,20KP SERIES,TPSMAJ SERIES,PXXXLB SERIES,SMCJ SERIES,UN3490,P4SMA,UNSDC24V-3L,SMDJ,UNS1K,UN3E6-XXXMM,UN65HVD75,UN2E8-XXXL HV SERIES,SMDT,UN1812 SERIES,UN3220 SERIES,1.5SMC,SA,UN2E8-XXXML,UNS4032 SERIES,UN2E8-XXXHL SERIES,UN2E5-XXXL HV,UNSDC58V-2L,SMD1210 SERIES,PXXXSD1,UN2E5-XXXLSMD,PXXXEC SERIES,UN3485,UN16,5KP,1.5KE SERIES,TP5.0SMDJ,14DXXL SERIES,07DXXKBC SERIES,UNS2K,UN2E8-XXXMSMD,UN2E5-XXXLL HV SERIES,10DXXKEC,UNSDC24V-2L,32DXXL SERIES,14DXXKJ SERIES,UN3E8-XXXHM SERIES,SMCJ,TPSMB SERIES,UN1210-XXXBSMD SERIES,UN3E6-XXXM,TPSMDJ SERIES,UN65HVD233,UN65HVD234,UN65HVD232,UN65HVD230,SMBJ-AT,UN2E5-XXXL,UN2E8-XXXM,UN1210-XXXBSMD,10DXXKJ SERIES,34SXX,KC SERIES,UN2E6-XXXLSMD SERIES,UN2E8-XXXH,UNB-XXXN-SMD,UN3E8-XXXHMF,32DXXKJ SERIES,UN1050,UN3232E,UNA-XXXM-SMD,UN1050ISODUB,PXXXG,32DXXKJ,40DXXK,UNS3220,UNB-XXXM-SMD,40DXXL,UN3085NE,SMCJS,UN2E8-XXXHSMD,TPSMB10J,32DXXK,32DXXL,PXXXEC,UN30,PXXXEB,PXXXEA,30KP,P6SMB SERIES,PXXXSC-2L SERIES,15KP,PXXXSC-2L,0603,SMD2920 SERIES,10SMBT,14DXXKJ,UN82C250,UNSRS485-2HL,UN82C251,10SMBJ,05DXXL SERIES,25DXXL SERIES,TPSMC SERIES,UN2H8-XXXL HV SERIES,UNSDC58V-3L,SM8Z SERIES,TPSMCJ SERIES,SM5Z,UN6,UN3E5-XXXL,UN3088E,KXXXG SERIES,PXXXTB,PXXXTA,UN2E5-XXXLSMD SERIES,KA SERIES,UNB-XXXN-SMD SERIES,UN3088ES,07DXXL SERIES,5KP SERIES,UN3485ISO,8KP SERIES,PXXXEA SERIES,UNA-XXXN/M SERIES,SMCJS SERIES,3KP,SM8Z,UN3E5-XXXLM,SMCJ-AT SERIES,LCE SERIES,UNC-XXXN/M SERIES,PXXXSA SERIES,UNSRS485-2H,SMCJ-AT,25DXXKJ SERIES,UN0805 SERIES,PXXXDM,POE58C,15SMBJ,PXXXTB SERIES,PXXXSB-2L SERIES,UNA-XXXN-SMD,40DXXKJ SERIES,UNS3220 SERIES,UN1206 SERIES,P4KE SERIES,SM5Z SERIES,UN2E8-XXXMSMD SERIES,UN3E6-XXXMM SERIES,05DXXK,05DXXL,UN600 SERIES,1012 SERIES,UNB-XXXN/M SERIES,8.0SMDJ,UNSRS485-2L,P6SMB,SACA SERIES,40DXXKJ,40DXXL SERIES,PXXXDM SERIES,SACA,UN0603 SERIES,SACB,UN2E5-XXXL SERIES,UN2H8-XXXLL HV SERIES,SMD2920,0402,8.0SMDJ SERIES,25DXXL,25DXXK,UN30 SERIES,10DXXL SERIES,20DXXL SERIES,25DXXKJ,5KPS,UNA-XXXN-SMD SERIES,UN485E,UN2E8-XXXHL,PXXXSB SERIES,UN485ES,PXXXTA SERIES,UN3E8-XXXHMF SERIES,UN2H8-XXXLL HV,SMDJ-AT,4.0SMF,SMF,TPSMB10J SERIES,0603 SERIES,5KPS SERIES,UN2E8-XXXH SERIES,KD SERIES,UN60,SMAJ-AT SERIES,TPSMDJ,UN1206-XXXASMD SERIES,UN2E8-XXXHSMD SERIES,UN3232E-T,UN1210 SERIES,14DXXKSC,07DXXKBC,10DXXK,UNSDC48V-2L,10DXXL,53DXXK,UN3E8-XXXHSMD SERIES,2012 SERIES,UN0805,UN3E5-XXXMSMD SERIES,KA,KB,UN1812-XXXCSMD,KC,TPSMCJ,UN2E8-XXXLL HV,KD,6.0SMAJ SERIES,14DXXKSC SERIES,UNS2K SERIES,10SMBJ SERIES,TP5.0SMDJ SERIES,SMD1812 SERIES,UN60 SERIES,5.0SMDJ,UN3490E,UNSDC48V-3L,20DXXKYC SERIES,SMD0603,SMD1812,KXXXSB SERIES,UN1206,UN16 SERIES,SMBJ SERIES,UNSRS422-2H,SMDT SERIES,UN1210,UNSRS422-2L,UN135 SERIES,TPSMBJ,PXXXLC SERIES,UNS4032,0201 SERIES,UN1206-XXXASMD,UN2H8-XXXL HV,5.0SMDJ-AT,UN3E5-XXXL SERIES,20DXXKYC,UN3485S,UN3E6-XXXM SERIES,34SXX SERIES,UN2E5-XXXLL,05DXXK SERIES,0201,UN3E8-XXXHP SERIES,UN3E8-XXXH SERIES,UN1042,UN3220,TPSMAJ,UN1040,UN2E8-XXXLL HV SERIES,15KP SERIES,8KP,UN2E5-XXXL HV SERIES,UN2E6-XXXLSMD,6.0SMAJ,UN3E8-XXXHSMD,32DXXK SERIES,34SXXJ SERIES,SMD1206 SERIES,SMBJ-AT SERIES,TPSMA SERIES,UNC-XXXM-SMD,LCE,UN600,14DXXK,UN6 SERIES,14DXXL,UNC-XXXN-SMD SERIES,UNSRS422-2HL,15SMBJ SERIES,SAC,SMD0805 SERIES,SMAJ SERIES,UN3E5-XXXLM SERIES,UN3E5-XXXLSMD SERIES,UN250 SERIES,UN3E8-XXXH,UN485CUA,UN488E,UN250,KB SERIES,PXXXLC,UN2E5-XXXLL HV,UN135,PXXXLB,PXXXLA,07DXXK SERIES,SMD1206,UN0603,UN1812,20DXXL,20DXXK,PXXXEB SERIES,10SMBT SERIES,1.5KE,14DXXK SERIES,UNC-XXXN-SMD,05DXXKJ SERIES,3KP SERIES,P6KE,07DXXKJ SERIES,UNS3K SERIES,KXXXSD1 SERIES,TPSMC,SMD0805,25DXXK SERIES,TPSMB,TPSMA6J SERIES,TPSMA,TPSMBJ SERIES,34SXXJ,20DXXKJ,SMD1210,20DXXKJ SERIES,SMDJ SERIES,UN2220,UN2E8-XXXM SERIES,TPSMA6J,UNSDC12V-2L,1.5SMC SERIES,15KPS SERIES,SMAJ-AT,PXXXLA SERIES,UN3E5-XXXLSMD

选型指南 - 优恩半导体 - 2021 PDF 英文下载