【经验】贴片式PPTC的使用注意事项及应用范围
优恩半导体公司PPTC——自恢复保险丝有SMD贴片系列、DIP插件系列、SMD贴片低阻系列以及SMD贴片特殊电压系列四种,在日常使用过程中,贴片式PPTC还是占据比较大的份额的。
贴片式PPTC是一种片状形式的小型保险丝,单从肉眼上看与普通电阻并无一二,但实际它具备的特性要比普通电阻更具优势。其具备较强的分段能力,当规定电流与额定分断电流之间的电流流过时,PPTC不会熔断,也不会对其它元件造成干扰。
这里需要注意的是:1、保险丝的预设电流与耐压值须<规定的分断电流;2、切勿使用劣质保险丝。不然当被保护电路出现故障情况时,它是无法进行熔断的,势必会造成对PCB电路板的损害,甚至可能引起电路起火。
贴片式保险丝的应用范围
通常贴片式保险丝主要是应用于一些便携式设备电路上,其可应用场景很多,从使用数据来看,目前主要就是集中在通信领域、厨电领域等,像一些笔记本电脑、家用电器、智能手机、LED灯、电视机、充电器等等,这些便携式电路防护设计中都会使用到。
贴片自恢复保险丝体积虽小但封装都很齐全,由于元器件产品在制作工艺上的不同,针对于选型的侧重点也会产生差异,在进行自恢复保险丝选型时应当确认自己的需求、类型、参数、封装尺寸等。
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本文由玉鹤甘茗转载自优恩半导体官网,原文标题为:贴片式PPTC自恢复保险丝-优恩半导体供应,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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优恩半导体在本文将对CAN总线浪涌保护之自恢复保险丝选型进行详细的讲解,为工程师们的设计提供理论基础。
Low Loss Surface Mount 0805 Series POLYMER PTC RESETTABLE FUSE
型号- TLC-PSML175,TLC-PSML075,TLC-PSML350,TLC-PSML150,TLC-PSML260,TLC-PSML300,TLC-PSML200,TLC-PSML100,TLC-PSML110,TLC-PSML380,TLC-PSML190,TLC-XSMXXXX,TLC-PSML400,TLC-PSML260/8,TLC-PSML260/12
【选型】竞沃(TLC) 过流保护产品(PPTC/FUSE/ESD/CSR/TVS)选型指南(简版)
目录- PPTC自恢复保险丝产品 一次性保险丝产品 Power TVS与ESD半导体静电抑制器 ESD静电抑制器与电流感测电阻CSR TLC产品应用领域
型号- 04 100,06 110,SMDJXXA,SMBJXXA,0402,PC01,PSMD 0805,HV610,LMMT0,12 100,HFM0,TLV SERIES,HV110.PV,PTN102H05B,TAL SERIES,06 100,USML1210,TD SERIES,LCT0,LSMD 2920,PTN102U05B,HET0,HV620,SMDJXXCA,BEV7,BEV5,PSML0805,TRB SERIES,TRA SERIES,TRE SERIES,HEET0,USMD 1210,PB01,FSML0603,HV510,HV630,HV110,MSMD1812,PTN205U05A,TLS SERIES,62720,EV1845,TRF SERIES,10800,ESDAC05,NSMD1206,HV520,SMFXXCA,12110,TVS SERIES,SMAJXXCA,42510 ESD-LVC,5.0SMDJXXCA,NSMD 1206,SMFXXA,USMD1210,06100,LMJ12,HV530,LSMD2920,LMJ10,12113,HV650,SMBJXXCA,SRC39,ANL SERIES,SMAJXXA,0603,TRM SERIES,PTN062H05B-M,62 720,PTN2510U05A,ASML0402,TRG SERIES,SRC25,MSMD 1812,HCT0,LET0,NSML***L1505,SMCJXXA,LMT0,LMJ25,HFMM0,MSML1812,SMCJXXCA,TRC SERIES,04100,PSMD0805,FSMD0603,FSMD 0603,SRC59,10 800,NSML1206,5.0SMDJXXA,PVAH1U,2410,06110,12 113,12100,12 110
【技术】浅析PPTC自恢复保险丝在RS485通讯接口的应用
众所周知,PPTC自恢复保险丝是使用极为广泛的一种过流保护元器件,在一些笔记本电脑、汽车电子、以及变压器、工业控制设备,当然,也包括一些通讯接口,PPTC都能起到过电流和过温保护的作用。浅析PPTC自恢复保险丝在RS485通讯接口的应用。
Low Loss Surface Mount 0402 Series POLYMER PTC RESETTABLE FUSE
型号- TLC-ASML010,TLC-ASML035,TLC-ASML100,TLC-XSMXXXX,TLC-ASML050,TLC-ASML020
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可贴片PCB尺寸50*50mm-580*610mm;PCB厚度0.3-8mm;贴装精度CHIP元件+0.03,BGA Pitch 大于0.25mm;元件尺寸0201-74*74BGA;元件高度:30mm。
最小起订量: 1 提交需求>
可定制LAMP LED、 CHIP LED、 PLCC LED、 汽车用车规级LED、COB LED的尺寸/电压/电流等参数,电压1.5-37V,电流5-150mA,波长470-940nm。
最小起订量: 30000 提交需求>
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