WIMA对薄膜电容的前景展望
薄膜电容器作为一种被动元器件,是否正在成为技术进步的牺牲品?薄膜电容器比其他产品更容易被轻视,但未来仍然具有发展潜力。下文中薄膜电容器专家WIMA将从角度进行探讨。
薄膜电容是RoHS的牺牲品吗?
薄膜电容是RoHS的牺牲品吗?这个令人震惊又具有挑衅性的问题不久前被作为了知名电子周刊的标题。这是一个简短专栏的标题,该专栏为对“无源器件”进行讨论的论坛中一部分内容,共有11 名参与者参加。与会人员中只有两名来自制造方,其他都是知名供应商企业的代表。本次论坛的内容没有涉及到可能的竞争组件技术及其未来前景的话题,而是涉及更普遍的问题,例如2005 年的进一步经济前景、交货时间、价格、RoHS 和 WEEE 对购买行为的影响等许多其他方面的问题。
在以上讨论的所有问题中薄膜电容器都受到了特别负面的评价,这并不太合理。“RoHS 牺牲品”的话题被延伸到薄膜电容器是否能跟上近年来的技术发展的问题。用几句话概括:薄膜电容器不仅是RoHS标准的未来牺牲品,而且在被动元器件中已经过时,尤其是电容器,在技术进步上早已错失良机。参会者意见在讨论中就这个问题产生了分歧。一位参与者特别支持薄膜电容器的开发能力,并认为在某些应用中,就质量而言,它没有替代品,而另一位参与者则认为,因为它是通孔器件且价格太高,所以可以用陶瓷元件代替,或者薄膜电容器的 SMD 版本无法承受符合 RoHS 标准所需的更高焊接温度。在经销商方面的这一声明之后,两家也生产薄膜电容器的制造商中只有一家评论说:“我们不是在推动 SMD 薄膜电容器,我们在这方面支持 MLCC。”,另一家生产薄膜电容器的制造商选择对这个有争议的话题保持沉默。
毫无疑问,薄膜电容器专家的代表没有参加上述讨论,因此某些论点没有说出来。这篇文章就是想把以上观点改正。
薄膜电容器及技术开发
首先需要明确的是,RoHS本身并不是技术进步的体现,最多是环保框架内进步的体现。 RoHS 的目标是减少电子废料中含有的有毒物质对环境的污染。由于这个原因,未来的电子元件、电路板和焊接物质都是无铅的。就制造所用材料而言,与其他类型的电容器相比,无铅对薄膜电容器没有任何问题。由于RoHS 标准必须使用无铅焊接材料,会给需要更高焊接温度的PET 制成的 SMD 薄膜电容器带来很大问题,因为含铅焊接材料可以在材料整个表面承受焊接过程的温度应力。对于大多数薄膜电容器(大约 80-90%),仍然以通孔形式生产,所以并不存在此类问题。因此,“薄膜电容器是否是 RoHS 的牺牲品?”不仅错了,而且完全是无稽之谈。
但即使对于 SMD 薄膜电容器,无论是缠绕式还是堆叠式技术,无论是裸露的还是带有保护性封装的,耐热塑料电介质早已成为解决方案,电容器薄膜 PEN 和 PPS 已在市场上销售多年。通过使用耐热塑料介电薄膜,即使在RoHS的背景下,SMD薄膜电容器也为技术进步做出了贡献。另一方面,MLCC 是否完全能够做到这一点仍值得怀疑。它可能由几乎不熔化的电介质材料组成,但是,由于需要符合RoHS标准,与以前相比,在焊接过程后立即发生更大的温度应力,它具有更高的裂纹风险。由于MLCC的结构更小甚至价格更便宜,薄膜电容器可能已经输给MLCC似乎是一种的普遍迹象,但不一定是某种技术进步的结果,而是成本和价格压力带来的结果。然而,技术进步的结果是集成电路,无论是薄膜电容器还是 MLCC,无论是通孔还是 SMD 版本,都已成为这种集成电路的牺牲品。
问题仍然是,薄膜电容器与采用其他技术的其他电容器相比,是否具有公认的优良品质,例如 MLCC 存在温度漂移。即使薄膜电容器不是技术进步的一个组成部分,至少有助于技术进步。薄膜电容器不是古董、过时的产品,而是即使在未来也能在现代发展的框架内为每一个苛刻的应用提供解决方案。
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目录- 电子电路用薄膜电容器产品指南 电子电路用薄膜电容器产品标准
型号- FHACB102V684J2LEZ0,HACB3C682J,FTACD801V474JELHZ0,FTACD3B1V156JTLJZ0,HACB3G822J,HACB3A394J,HACD3E104J,FHACD252V223JRLQZ0,TACB2G154J,TACD3A224J,TACD3A684J,TACD3A333J,FTACB801V473JDLCZ0,FTACD401V225JELHZ0,FTACD501V225JELHZ0,TACD2G824J,FHACD1C2V183J0LGZ0,FHACD202V332JKLDZ0,HACD3D123J,TACD 系列,TACD2G185J,HACB3C223J,FTACD801V275JTLJZ0,FTACB401V224JDLCZ0,FTACB801V105JFLEZ0,FTACD102V564JFLEZ0,HACD3A823J,FTACB401V185JFLEZ0,TACB2G155J,TACD3A334J,FHACB3B2V682JLLQZ0,HACB3G183J,FTACD102V683JDLCZ0,FTACB801V104JHLGZ0,HACD3D473J,FHACB102V473J0LGZ0,FTACB801V394JELHZ0,HACB3A154J,FHACB202V183J1LHZ0,HACD3C274J,FHACE631N684J1A1S0,TACD2J104J,TACD2J564J,HACB2J824J,TACC2K275J,TACB2F394J,HACD3B184J,HACD3D472J,FHACD631V563J0LGZ0,HACB3C334J,FHACD631V124J0LGZ0,FHACD402V153JRLQZ0,HACB3C683J,FHACB631V124J0LGZ0,FTACD401V274JDLCZ0,FHACD1C2V394J2LEZ0,HACD3C273J,FHACB162V273J1LHZ0,FHACB102V274J2LEZ0,TACD2J105J,TACD2J565J,TACD3A683J,TACB2F395J,HACD3B824J,FTACD801V155JFLEZ0,TACC2J825J,HACB3C333J,HACB3C224J,FTACB3B1V395JFLEZ0,FHACD3B2V393JRLQZ0,FHACB162V394J4LJZ0,FHACD252V823JRLQZ0,FTACC801V685JULWZ0,FHACB1C2V183J0LGZ0,HACB3F822J,FTACD102V274JELHZ0,FHACD162V334J2LEZ0,HACD3B823J,FTACC451V106JRLFZ0,FTACD801V184JHLGZ0,HACB2J184J,HACB3F183J,FTACD401V224JDLCZ0,FTACD251V125JDLCZ0,FHACD202V823J2LEZ0,HACB3B223J,HACB2J823J,HACB3G272J,FHACD102V473J0LGZ0,FTACD102V125JFLEZ0,FTACD102V124JHLGZ0,FHACD202V274JTLJZ0,HACD3B183J,FTACD102V823JDLCZ0,FTACD801V105JFLEZ0,FTACD801V185JFLEZ0,FTACC451V126JTLJZ0,FHACB162V683J1LHZ0,TACB2F155J,HACB3B684J,FHACB1C2V154J2LEZ0,HACB3B333J,HACB3B224J,HACB3B683J,FHACD162V224J2LEZ0,FHACB1C2V823J1LHZ0,HACD3D274J,FHACD102V333J0LGZ0,HACD3C184J,FTACD3B1V275JELHZ0,FTACB631V185JFLEZ0,FHACD102V394J1LHZ0,HACB3B334J,FHACD3B2V473JRLQZ0,HACD3D273J,FTACC801V395JRLFZ0,HACD3C183J,TACB2K823J,HACB2J474J,FHACD102V824J2LEZ0,FTACD3B1V186JTLJZ0,HACD3C823J,FTACB3B1V565JFLEZ0,FHACD252V683JRLQZ0,TACD2E225J,FTACB631V105JFLEZ0,FHACB3B2V103JLLQZ0,FTACB3B1V274JDLCZ0,FTACE102N684JHAHS0,TACD2E685J,FTACD801V335JTLJZ0,TACB2G224J,TACB2K824J,FHACD202V683J2LEZ0,FHACB202V222JKLDZ0,HACB2J124J,HACD3C822J,TACB2G684J,FTACD401V334JDLCZ0,TACB2K184J,TACD2E335J,FHACB102V824J4LJZ0,HACD2J154J,FHACD162V683J1LHZ0,FHACD402V123JRLQZ0,HACB3A223J,HACB3A683J,FHACD1C2V474J2LEZ0,FHACD402V183JRLQZ0,FTACD801V394JELHZ0,TACB2G334J,TACB2G225J,FHACB631V184J1LHZ0,FHACB202V822JKLDZ0,FTACC631V565JRLFZ0,FTACB631V563JDLCZ0,FHACD102V823J0LGZ0,TACC3A155J,FHACB1C2V564J4LJZ0,HACD2J155J,FHACB631V474J2LEZ0,FHACB631V563J0LGZ0,HACB3A333J,HACB3A224J,HACB3A684J,FTACD102V334JELHZ0,FHACD102V154J1LHZ0,FTACC631V685JTLJZ0,FHACB202V224J4LJZ0,FTACB401V155JFLEZ0,TACB2G335J,HACB2J473J,FHACB102V154J1LHZ0,TACB2E106J,HACD3G392J,FTACD631V475JTLJZ0,FTACB251V156JTLJZ0,HACD3D184J,TACC2W685J,TACD3A154J,HACB3A334J,HACD3D823J,TACD2F225J,FTACD3B1V684JDLCZ0,FTACD102V224JELHZ0,FHACB402V472JLLQZ0,FHACB202V392JKLDZ0,FTACB631V474JELHZ0,TACB2E105J,TACD2F334J,TACD2F685J,HACD3G153J,FHACD162V333JKLDZ0,TACB2E565J,HACD3D183J,FTACD251V685JFLEZ0,TACB2J823J,FHACB3B2V273JLLQZ0,FHACD1C2V104J1LHZ0,FHACD252V473JRLQZ0,TACD2F226J,TACD2F335J,FTACD801V125JFLEZ0,HACD3D822J,FTACD631V155JFLEZ0,FTACD801V823JDLCZ0,TACB2E564J,FHACB202V332JKLDZ0,FHACB202V683J2LEZ0,FHACB162V333J1LHZ0,TACB2F224J,TACB2F684J,FTACD401V565JFLEZ0,TACB2J824J,HACB3G123J,FTACD501V564JHLGZ0,FHACD102V105J2LEZ0,FHACD162V273JKLDZ0,HACB2J274J,FHACD202V682JKLDZ0,HACB3D183J,FTACC631V395JRLFZ0,HACB3D823J,HACB3F273J,TACB2F225J,FHACB3B2V822JLLQZ0,FHACD162V223JKLDZ0,FTACB801V334JELHZ0,FHACD1C2V823J1LHZ0,FHACB162V224J2LEZ0,TACB2F334J,TACB2F685J,TACB2J184J,HACB3D182J,HACB3D822J,FTACB631V274JHLGZ0,TACB2E126J,TACD2F684J,FHACD402V682JRLQZ0,FHACD202V183JKLDZ0,HACD3F393J,HACD2J394J,FTACD401V395JFLEZ0,TACB2F335J,FTACB801V824JFLEZ0,HACB3G472J,FTACD3B1V824JDLCZ0,FHACD202V103JKLDZ0,FTACD3B1V125JHLGZ0,FTACE631N105JDADS0,FHACB402V272JLLQZ0,FTACD801V824JELHZ0,HACD3G472J,FTACB801V224JELHZ0,FHACB1C2V104J1LHZ0,FTACB251V685JFLEZ0,FHACD162V124J2LEZ0,FHACD202V392JKLDZ0,TACD2G335J,FTACD102V474JELHZ0,TACD2E156J,TACC2J335J,FHACB402V682JLLQZ0,HACD3F273J,HACB3G562J,TACB2J394J,FHACB3B2V153JLLQZ0,FTACD3B1V335JELHZ0,FTACB801V125JFLEZ0,FTACB401V475JTLJZ0,FTACD631V395JTLJZ0,FTACD3B1V225JELHZ0,TACD3A823J,HACB3D184J,HACB3F123J,FTACD401V105JHLGZ0,HACD3A104J,HACD3A564J,FHACB1C2V184J2LEZ0,HACD3A563J,TACC2J685J,FTACB251V275JELHZ0,HACD2J683J,FTACB801V823JDLCZ0,TACD2G225J,HACB3G103J,TACD2G334J,TACD3A184J,TACD2G685J,FTACE401N685JEAES0,TACB2J395J,FHACB102V683J0LGZ0,FTACD3B1V564JDLCZ0,HACD3B105J,HACD3G123J,FHACD102V683J0LGZ0,HACB3C183J,HACB3D272J,FTACC631V335JRLFZ0,HACD3A125J,TACB2K154J,HACD2J224J,HACD2J684J,FHACB102V104J1LHZ0,FHACB202V274J4LJZ0,FHACD252V393JRLQZ0,HACB3C823J,TACD2G224J,TACD2G684J,FTACC451V186JULWZ0,HACD3B564J,FTACE631N225JEAES0,FTACD631V275JFLEZ0,FHACD202V334JTLJZ0,FTACE631N335JEAES0,FTACB401V394JHLGZ0,FHACD1C2V125JTLJZ0,FTACC451V565JRLFZ0,FTACB801V563JDLCZ0,HACB3F472J,TACC3A225J,FTACB3B1V185JELHZ0,HACD2J334J,TACC2W156J,TACD2K394J,HACB3C822J,FTACD3B1V126JFLEZ0,FTACC102V225JULWZ0,FTACD102V154JHLGZ0,TACD2E155J,HACD3
薄膜电容器通用电容器
型号- HCBB61/H2504JBC70*,HCBB62X2T/Q3334*90****,HCBB61/H2155JBB70*,HMKP25/2S154-60****,HCBB60S/S2305J22B6*0,HCBB22/2J124-60****,HCBB65/S2CL5J59B**0,HCBB13/3A103-40****,HCBB62X2/R2105-FM****,HCBB61/H2805JFB70*,HCBB20/2A274-210C000,HCBB20/2E155-810C000,HCBB62X2T/R2564*BM****,HCL21/1H154-30****,HCBB62X2/Q3256-M0****,HMMKP82/2J155-B0****,HMKP21/3C561-60****,HCL20/2J182-200C000,HCL21X/2G684-40****,HCBB81/3C392-80****,HCBB60/E2106J26B**0,HCL20/2G184-410C000,HCBB60/E2305J12B**0,HCBB81/3D123-60****,HCBB20/2A185-810C000,HCBB62X2/Q3392-30****,HCBB60/S2136J7CB6*0,HCBB20/2E824-810C000,HCL21/2G105-91****,HCBB20/3A682-200C000,HCL20/2J393-400C000,HCBB60/S2456J9LB**0,HCBB60/S2106J58B6*0,HCBB13/3A223-60****,HMMKP82/3A473-60****,HCBB60/S2126J5BB6*0,HCBB20/2E564-410C000,HCBB22/2G394-90****,HCL21/2G563-40****,HCBB20/3B272-210C000,HCBB61S/H2455J4B***,HCBB20/2A105-410C000,HCL21/2G475-B1****,HCL21X/2J473-40****,HCBB20/2J105-J00C000,HCBB62X2R/Q3684-90****,HCL21/2G334-61****,HMKP21/2G684-90****,HMMKP82/2G224-90****,HCBB61/H2305JDC70*,HCBB60S/E2286J7CB6*0,HCBB65/E2755J12B**0,HCL20/2G564-800C000,HMMKP82/3D104-B0****,HCBB22/3A333-60****,HMKP21/2J102-30****,HCBB65/Q1705J12B**0,HCBB81/3A562-60****,HCL21X/2E335-90****,HMKP25/2T124-40****,HMKP21/2C156-B0****,HMKP25/2J824-B0****,HMKP25/2J104-40****,HCBB61/S2405JBB70*,HCBB61/H2155J1B***,HCBB22/2G155-90****,HCL20/2A565-810C000,HCL20/3A122-200C000,HCBB60/H2556JAPC**0,HCL21/2G563-31****,HCL21/3A152-30****,HCBB81/2K492-60****,HCL21/2E106-B0****,HCL21/2E105-61****,HMMKP82/3C183-60****,HMMKP82/3C473-90****,HCBB20/2E185-800C000,HCBB60S/E2555J13B6*0,HCBB65/S2455J22B**0,HCBB20/2G273-200C000,HCL21/3B154-B0****,HCBB20/2G104-400C000,HCL21X/2E564-60****,HCBB81/3C153-80****,HCL20/2J225-F00C000,HCBB20/2E186-C00C000,HCL21/3A224-90****,HCL21/2A155-41****,HMMKP82/2G393-40****,HCL20/2G335-810C000,HMKP21/3A272-40****,HCL23/2G474-60****,HMKP21/3C333-60****,HCBB22/3A562-30****,HCL21/2A395-90****,HMKP21/2C395-B0****,HCBB20/2A186-C10C000,HCBB62X2/Q3153-30****,HCBB20/2E825-C10C000,HCBB60/H2805J5CB6*0,HCBB22/2A275-90****,HCBB22/2J243-40****,HCBB62X2/Q3224-41****,HCBB62X2/Q3562-40****,HCBB20/2A156-J00C000,HCBB62X2/Q3103-60****,HCBB62X2T/Q3394*90****,HCL20/2E126-F10C000,HCBB61S/S2705J4B***,HCBB60S/S2166J6DB**0,HCBB62X2T/Q3126*F0****,HMKP21/3C153-90****,HCBB13/2G682-30****,HCBB20/2A825-J00C000,HCL21/2G394-61****,HCBB13/3A152-40****,HCBB81/3A912-40****,HCBB81/2K122-40****,HCBB60/E2655J13B6*0,HCBB62X2T/Q3186*M0****,HCBB13/2A821-30****,HMMKP82/2J394-B0****,HCBB22/3A393-60****,HCBB20/2E225-F10C000,HCBB60/H2406JAKB6*0,HCBB62X2T/Q3225*FM****,HCBB13/2G393-40****,HCBB81/3D362-60****,HCL23/2A105-60****,HCBB60/H2356J9HC6*0,HMKP21/2G225-B0****,HMKP25/2T184-40****,HCL20/2J124-210C000,HMKP25/2J683-40****,HCBB81/3D302-60****,HCBB13/2G333-40****,HCBB62X2/R2825-FM****,HCBB81/2K432-60****,HMMKP82/2G333-40****,HMMKP82/2J334-B0****,HCBB22/2G273-30****,HMKP21/2C335-B0****,HCL21/2E684-61****,HMKP21/2J822-30****,HCL21/2E224-41****,HMKP25/2S684-60****,HCBB65/R8156J35B**0,HMKP21/2J224-60****,HCBB60/E2146J49B**0,HCL23/2A474-40****,HCBB22/2G563-60****,HMKP21/3A153-60****,HCBB62X2/Q3824-91****,HMKP21/2G123-30****,HCBB20/3B182-210C000,HCBB65/S2116J35B**0,HCBB60S/S2455J26B6*0,HCBB20/2J223-210C000,HCBB61/E2405JDC70*,HCBB81/3C272-60****,HMKP25/2J224-60****,HCBB20/2G106-T00C000,HCBB20/2A184-210C000,HMKP21/3C683-90****,HCBB22/2G514-60****,HCL20/2E184-200C000,HCBB60S/E2706J9JB**0,HMKP25/2T155-91****,HMKP21/2G563-30****,HMMKP82/3C223-90****,HMKP25/2S226-B1****,HCBB60/E2526J8EB6*0,HCL20/,HMKP21/2J392-40****,HCL21/2G223-31****,HCBB13/3A682-40****,HCBB61/S2116J4B***,HCL23/1J475-60****,HCBB60/S2506J9KC6*0,HCBB61/H2455JDB70*,HCL21/2G104-60****,HCBB65/S2CN4J5JB**0,HCL20/2J272-200C000,HMKP21/2E124-40****,HCL20/3A564-F00C000,HCBB60/S2186J7FB**0,HCL21/2E153-30****,HCBB22/2A305-90****,HCBB62X2T/R2225*FM****,HCBB22/2A914-60****,HCBB60/S2505J44C**0,HMKP25/2T564-B0****,HCBB60/H2355J32C**0,HCBB62X2T/Q3125*B0****,HCBB65/E2656J5EB**0,HCL20/2J564-C00C000,HCBB60/H2126J7CB6*0,HCBB62X2R/Q3334-60****,HCBB60/S2606JAKB6*0,HCL21/2G333-30****,HMKP21/2E154-60****,HCL21X/2G225-60****,HCL20/3A104-410C000,HCBB60S/S212EJ5EB**0,HCL21/3B273-90****,HCL23/2J224-90****,HCBB62X2T/Q3185*B0****,HCL21/2G335-B0****,HCBB62X2T/R2475MBM****,HMKP21/2C275-90****,HCL20/2G125-710C000,HCL20/2A105-C10C000,HCBB62X2R/Q3225-B0****,HMMKP82/2G105-B0****,HCL20/2G334-210C000,HCBB20/2E473-200C000,HCL21/2G395-B0****,HMMKP82/2E824-B0****,HCL20/2A475-810C000,HCBB20/3A103-200C000,HCBB20/2G274-410C000,HMKP21/2E184-40****,HMKP25/2S105-60****,HCBB60S/E2426J7FB6*0,HCBB65/Q1116J32B**0,HCL21/2G225-B1****,HCBB60S/H2256J9HB**0,HCL23/3A102-40****,HMKP21/2G183-30****,HMKP21/3A332-60****,HCBB61/S2505J4B***,HCBB22/2J474-90****,HCBB13/2J223-40****,HCL20/2G565-510C000,HMKP21/2J332-40****,HCBB60/S2106J59C**0,HCBB60/H2555J39C**0,HCBB20/3B223-400C000,HCBB22/2A563-40****,HCBB61S/S2155JDB70*,HCBB61S/S2355J2B***,HCBB60/S212EJ5DC**0,HMMKP82/2E474-60****,HCL23/2J333-40****,HCBB60/E2186J5BB6*0,HCBB20/2G394-400C000,HCBB81/3C302-6
电子商城
服务
整体外形尺寸小至0.6*0.3*0.3mm (DFN0603),工作电压范围覆盖2.5V~36V,电容值低至0.2pF,浪涌能力最高可达240安培,静电等级可达空气放电、接触放电±30KV。提供免费浪涌测试仪、静电测试仪测试。
提交需求>
可定制OGS一片式电容屏,G+G电容屏,G+F电容屏,G+F+F电容屏,尺寸范围:1”~21”,单层产品厚度:0.55mm~2mm,可按客户要求在产品上附加防反射,防指纹,多色丝印,钻孔磨边,2.5D导圆角等工艺。
最小起订量: 1000 提交需求>
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