【成功案例】隔离开关电源设计中的稳压二极管选型经验分享
稳压二极管(Zener diode)已经非常广泛的应用在各种电子设备中,比如开关电源,工业机器人,个人电脑,投影仪,汽车电子等等。既然这么多产品都会用到稳压二极管,那怎么能快速准确地选择出自己需要的那一款呢?笔者此前负责的多个项目中,为了MOSFET的稳压驱动,采用Central Semi 的稳压二极管,积累了一定的选型和应用经验,借此分享给大家,希望对在一般选型应用中提供一些帮助。
笔者在隔离开关电源设计项目中,需要选用一款稳压二极管用于对MOSFET的门级驱动电压进行稳压保护。结合项目,选用稳压二极管的基本条件为:额定稳定电压达到12V,额定输出功率大于200mW,封装尺寸要小,为贴片封装,而且精度高,温度系数好,工作温度范围广。
结合隔离开关电源设计项目需求,按照以下步骤进行稳压二极管的选型设计:
1、确定稳压二极管在电路中的位置和作用;
2、选择合适的稳压二极管参数;
3、确认供货周期和价格。
1)确定稳压二极管在电路中的位置和作用
根据笔者设计的一个隔离开关电源设计项目,需要对电源输出的电压时序进行约束,采用MOSFET作为开关器件,并选用稳压二极管对MOSFET的门级驱动电压进行稳压保护。开关电源时序控制电路的工作原理图如图1所示。
图1时序控制电路工作原理图
在电路中,VIN输入电压通过电阻分压进行MOSFET的开关驱动,稳压二极管D4在MOSFET管Q3的G基电压处,作用是保证MOSFET的驱动电压在安全工作范围内。
通过手册可以得知MOSFET的驱动电压在5-20V之间,如果驱动电压超过20V就会损坏,因此采用稳压二极管限制电压对MOSFET进行保护。
2)选择合适的稳压二极管参数
已经得知稳压二极管的位置和作用是保护MOSFET不超过安全工作电压,对其进行保护。接下来就是怎么选择稳压二极管的参数。
图2稳压二极管工作示意图
根据手册得知,稳压二极管的关键参数主要有以下几点:
1)稳定电压
稳定电压指稳压管通过额定电流时两端产生的稳定电压值。MOSFET的G基一般要求小于20V,正常情况下的驱动电压选用12V。在隔离开关电源设计项目中,选用Central Semi 公司的1个BZX84C12TR作为MOSFET的G基的稳压保护,稳定电压为12V,可实现MOSFET的稳态正常运行,保护MOSFET的驱动电压不会超过额定范围,满足项目需求。
2)额定功耗
稳压二极管的额定功耗为稳定电压和允许最大电流的乘积,也由芯片允许温升决定。MOSFET的驱动电流很小,满足200mW就可工作,稳压二极管BZX84C12TR的功耗可达到350mW,可完全满足在开关电源设计项目中电路的稳压使用,并可以抗击浪涌功率损耗。
3)温度系数
如果稳压管的温度变化,它的稳定电压也会发生微小变化,温度变化1℃所引起管子两端电压的相对变化量即是温度系数。温度系数好的稳压二极管稳定电压会更稳定。BZX84C12TR的温度系数只有0.05%/℃,温度系数很稳定,在电路中稳定电压也很精准,满足项目的高精度要求。
图3 Central Semi 公司的稳压二极管参数图
4)温度范围、封装形式与尺寸
笔者设计开关电源设计项目,最高的环境温度为85℃,稳压二极管BZX84C12TR的工作温度范围-65℃到150℃,可见其工作温度范围很宽,从而能够降低由于系统发热带来的故障风险,效率更高。
其封装形式为标准的SOT-23贴片封装,这个封装为标准封装,在画PCB时可以直接借用此封装,占用PCB空间小,不用自己动手画封装,带来很大方便,在项目设计时也节省很多时间。
图4稳压二极管封装图
3)确认供货周期和价格
最后跟厂家沟通,Central Semi 公司的产品在能源,照明,工业,消费,网络,医疗等市场广泛应用;而且供货周期短,价格合适。最终选用Central Semi 公司的稳压二极管BZX84C12TR作为电路的保护器件。
在开关电源设计项目中,采用MOSFET管和光耦进行时序电路设计,选用稳压二极管作为MOSFET的驱动稳压保护,为系统的稳定运行带来保护作用。
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评论
全部评论(19)
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阿飞 Lv7. 资深专家 2019-03-06看看
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用户72359710 Lv1 2018-12-29這個位置很少加穩壓管的吧, 圖3中沒有列出BZX84C12TR這個型號的electrical characteristics
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老子姓李 Lv7. 资深专家 2018-12-20不错,涨知识了。
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Harlin Lv5. 技术专家 2018-12-20收藏了慢慢看
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涅磐 Lv7. 资深专家 2018-12-19收藏学习
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小旋风 Lv7. 资深专家 2018-12-18讲述的也不错
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zdr69909057 Lv8. 研究员 2018-12-17我一般不加稳压二极管,
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用户12070607 Lv3. 高级工程师 2018-12-13好东车
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用户39371689 Lv4. 资深工程师 2018-12-09学习了!
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深蓝色 Lv7. 资深专家 2018-12-04不错,学习了
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目录- Part Number Index Small Signal Transistors MOSFETs Bipolar Power Transistors Diodes Protection Devices Rectifiers Thyristors Multi Discrete Modules Package Mechanical Specifications
型号- CMUT3904,CMDZ10L,CMXZ9V1TO,CMZ5935B,P4SMA16A,CMUT3906,CMPZDC2V7,CMPZDC36V,CMSZ5252B,P6SMB56A,CLL4754A,CMF64A,CMR1U-04FL,CMPD2003,CMDZ10V,CMKBR-6F,CMDZ11L,CMZ5936B,CMFSH-3I,CMZ5926BP,CMPD2004,P4SMA17A,CMSZ5253B,CZT2222A,CZR1-04,5SMC100A,CMXZ7V5TO,3SMC5.0A,CLL4753A,1SMB7.5CA,CTLDM7120-M621H,CMDZ11V,CMUDW6001,1.5SMC13CA,CMUD6263E,CMDZ12L,CMSZ5250B,CMZ5933B,CMZ5939BP,P4SMA18A,CLL4752A,1SMB130A,CMHZ5229B,CMPZDC39V,CMDZ12V,1SMB9.0A,3SMC170A,1SMB51A,1SMC110A,CMDZ13L,CMZ5934B,CFSH05-20L,CMSZ5251B,CMLD6263DO,CMPD6263S,CMLT2907A,CLL4750A,CLL4751A,P6SMB170CA,CMHZ5228B,CMPD6263A,CMDZ13V,CMPD6263C,CTLDM8120-M832DS,CTLZ5V1,CMST3410,CMOZ4L7,1SMC85A,CMSH1-100M 55,CTLZ5V6,CMDZ5251B,CSL05D,CMOZ4L3,1SMB30CA,P6SMB51A,CMXTVS5V6,CMF120A,CMXSTB200,CMZ5931B,CMF60A,CMPZ5261B,CMPT404A,1SMC85CA,CMHZ5227B,CMSH1-60 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Central Semiconductor(中央半导体)裸芯片器件(二极管/整流器/晶体管/场效应管/晶闸管/保护器件)选型指南
型号- CP373-CTLDM303N 30V,CP361X-CEDM7001,CP127-TIP142,CP357X,CP382X-CMPT3820,CPD79-CTLSH2-40,CPD65-BAV45,CPZ19-1N5242B,CP388X-BC847B,CPZ28X-1N5261B,CP101-BSS52,CPD93V-1N4150,CP388X-BC847C,CP285-MJE13005,CP788X-BCW70,CPD93V-BAS56,CPD07-CR6A4GPP,CP310V,CPZ28X-1N968B,CPZ18-BZX84C6V2,CP595-2N5680,CP527-2N6042,CP608-2N6475,CP212-2N3585,CPZ19-1N5255B,CP208-MJE182,CPZ39R-CMNTVS5V0,CP794R,CP620-CJD45H11,CP527-2N6299,CPD24-CMR1F-10M,CP622-2N6027,CP630-TIP127,CP305-BC817-40,CP331-CZT2000,CP527-2N6053,CP527-2N6296,CPZ19-BZX84C33,CP788X-2N3799,CPZ19-1N5240B,CPZ18-CMPZ5234B,CPZ25-H-1N4743A-WR,CP792V,CPZ28X-1N4099,CP247-MJ11016,CPD69-1N5614,CPZ19-BZX55C6V8,CPZ28X-C5236B,CPZ40R-CMO5V0LC,CPD69-CMR1-06M,CP353V,CP341V,CPZ25-1N4743A,CP127-2N6301,CP305-BCX20,CP127-2N6300,CPD26-CR6AF6GPP,CP318V-2N3501,CP392V-CMLT3904E,CPD24-1N5615,CP230-TIP122,CP325V-2N5150,CP354X,CP727V-MPSU95,CPZ28X-C5242B,CP188,CPZ28X-1N5240B,CP611-2N6107,CPD69-1N3614,CPZ28X-1N5252B,CP635-2N3791,CP376X-CWDM305N,CP289-MJE13009,CPZ28X,CP608-2N6468,CPD69-CMR1-08M,CP305-BC817,CPZ25-1N4753A,CP705V-CZT4033,CP753V-CZT953,CP388X-2N5089,CP388X-2N5088,CPQ128,CP527-TIP147,CPD83V-BAS16,CPZ28X-CMPZ5229B,CPZ18-1N4627,CPZ18-1N4623,CP388X,CPZ25-1N4740A,CP388X-2N2920,CP376X,CPZ25-1N4752A,CPZ18-1N4620,CPZ19-1N5245B,CPZ19-1N5257B,CP354X-2N7003T,CPQ114,CP289,CPD21-CTLHR10-06,CP285,CP727V-CZTA77,CPD89V-CMPD1001,CPZ19-1N758A,CPD83V-CMPD914,CP225-2N2218A,CPD104R-CFSH2-3L,CP773-CMPDM302PH,CPD16-CMR1U-06M,CP324X-2N7002,CPD91V-CD6001,CPD69-CMR1-02M,CPD83V-1N914A,CPD24-CMR1F-04M,CP315V-CZT3150,CPD30V-CMLD2838,CP375,CP250,CP710V-2N5415,CP373,CP305V,CP337V-2N4014,CP753V,CPD82X,CPD94X,CPZ19-1N963B,CP317X,CPZ28X-1N5988B,CP775-CWDM3011P,CP304V-MPSA06,CPZ33R-CMNTVS12V,CP742X,CPD80V-1N3070,CP375-CWDM3011N,CP390,CP788X-2N2605,CP304X-MPSA06,CP742X-CM4209,CP788X-2N3811,CPZ28X-CMPZ5260B,CP310-2N3114,CP710-CMPTA96,CP147,CPS053-2N5064,CP727V-MPSA64,CPS053-2N5060,CP306V,CP588-MPQ3798,CP318V,CPD93V-CMPD4150,CP212-TIP47,CPD83V,CPZ28X-1N5999B,CP310V-CMPTA42,CPD16-CMR1U-04M,CP310-MJE3439,CPD24-CMR1F-06M,CPD79,CP310-2N6517,CP710V-2N6520,CP595,CP235,CP764X-CMPDM8002,CPD26-CR6AF4GPP,CP230,CP337V-2N3725A,CP763V,CPD80V,CP303X,CP630-2N6036,CP315V,CPD06-CMR3-06,CPD24-CMR1F06M,CP764X,CP710V-2N5416,CPS053,CP191V-2N4401,CPD69-1N4007,CP243,CPD69-1N4004,CPD40-CTLSH5-100,CPD81X,CPD69-1N4246,CP360,CPZ18-1N5228B,CPZ18-CMPZ5229B,CPZ35R-CMATVS3V3,CPD81R,CP635-MJ2955,CP349-BUY49S,CP788X,CP127,CP390-CDM4-600LR,CP247,CP304X,CPD93V,CP229-2N5109,CP304V,CPZ19-1N968B,CPZ28X-1N965B,CP305-2N3499,CP325V-2N5320,CPZ36R-CMATVS5V0,CP188-BC107A,CP611-TIP42C,CP211,CP210,CP331,CP212,CPZ18-1N5227B,CEN-KC-1234,CP219,CPZ18-CMPZ5228B,CPQ114-CQD-8M3,CP354X-2N7003,CP325V,CP617-CM4957,CP771-CXDM4060P,CP337V,CPD65,CPD80V-CMPD2004,CPD81X-CZSH5-40,CPD80V-CMPD2003,CPD19-CHD8-06,CPZ28X-1N758A,CP212-2N4240,CPZ25-CMZ5940B,CPD69,CP101,CPS053-CS18B,CP208-2N3766,CP647-2N6287,CPD81X-CRSH5-4,CPD66X-CMHD459A,CP208-2N3767,CP223,CP325V-MJE181,CP348-2N5154,CP208-TIP31C,CP325V-MJE182,CP220,CPZ28X-C5238B,CP229,CPZ18-CMPZ5227B,CP788X-2N5087,CP757X-CMLDM5757,CPD91V,CP225,CP588,CP314V,CP349,CP348,CP314V-MPS651,CP314V-MPS650,CP206-2N4392,CP206-2N4393,CPD102X-1N5711,CP147-MJ11014,CP764X-CMLDM8002,CP147-MJ11016,CP388X-CMKT5089M,CPZ19-1N4099,CP681-MPSH81,CP736V-CMPT5401,CP310,CP312,CPD83V-1N914,CP220-CJD44H11,CP310-2N6431,CPZ28X-1N963B,CP792V-2N3906,CPZ18-CMPZ5226B,CPZ19-1N965B,CP188-BC549,CP305-2N3020,CP303X-CMPT8099,CP324X,CPD40,CP317X-2N918,CP760V,CP681-CMPTH81,CP710V-CJD350,CPZ19-1N5532B,CP312-CJD200,CP188-BCY59-VIII,CP208,CP305-2N3019,CPD76X-CMLSH1-40,CP710V-CZTA94,CP206,CP336V,CPZ28X-1N4688,CPZ25-1N5918B,CP191V-2N2222A,CP794R-CEDM8004,CPD17,CPD16,CP312-2N5154MOD,CPD19,CPD18,CPD82X-CMDSH2-3,CP302-MPSH10,CP771,CP773,CPZ28X-CMPZ5255B,CP753V-MJE210,CPZ28X-CMPZ5231B,CP788X-2N3799A,CPD04-CBRHD-06,CPD30V,CPD66X,CPD107-CZSH6-100,CP647-PMD19K100,CP776,CP775,CP588-2N3806,CPD93V-1N3600,CPD20,CPD22,CPD17-CMR3U-04,CP318V-2N5682,CPD21,CPD66X-1N485B,CPZ19-1N4109,CPZ41X-CMKTVS5-4,CPD102X,CPZ19-1N4103,CPZ28X-1N5532B,CP727V-CMPTA64,CPZ19-1N4104,CPZ41X,CPD24,CPD26,CP210-2N4416A,CPZ18-1N5234B,CP305V-BCW66H,CP588-2N2605,CPZ28X-1N4680,CPZ19-CMPZ5238B,CP714V,CP302,CP305,CP726X,CP396V-2N2369A,CP208-BD241,CPZ34R-CTLTVS6V2,CPD89V,CP305-D40D11,CPZ19-1N4697,CP388X-BCX70K,CPD06-1N5554,CPZ40X,CP788X-BCX71K,CPZ28X-1N5228B,CPZ40R,CPZ19-1N4692,CP317X-2N5179,CPD06-1N5550,CPZ28X-NC3,CPZ28X-CMPZ5241B,CP631,CP630,CPZ19-CMPZ5235B,CPD76X,CP635,CPD77X-1N5820,CP705V-BCW68H,CP210-2N4416,CP591X-2N2907A,CPZ28X-CMPZ4626,CPD06,CP246-CMPT3646,CPD08,CPD07,CP307V-2N5308,CPZ28X-1N5227B,CPZ18-1N5232B,CPD04,CPD104R,CPZ28X-CMPZ5230B,CP611-2N5955,CP714V-MJE172,CP392V-2N3904,CPZ28X-CMPZ5242B,CPZ28X-CMPZ5254B,CP527,CP647,CP336V-2N5551,CPD77X,CP736V,CP312-CZT3120,CPD94X-CMLSH05-4,CPZ28X-5236B,CP776-CWDM305P,CPD16-CMR1U06M,CPD66X-CMPD3003,CP618,CPZ25-CMZ5937B,CPD87R,CPD24-CMR1F-08M,CP191V,CP211-2N3054A,CP710V-MPSA92,CPZ28X-1N751A,CPD83V-1N4448,CPZ19-CMPZ5245B,CP757X,CP617,CPD98V,CP616,CP611,CP312-2N4239,CPD81R-CZSH5-40,CP3
Central Semiconductor(中央半导体)二极管选型指南
目录- Switching Diodes Schottky Diodes Low Leakage Diodes/Ultra Low Leakage Diodes/Stabistor Diodes/Current Limiting Diodes High Current, Current Limiting Diodes Temperature Compensated Zener Diodes Zener Diodes
型号- CMDZ10L,CMOZ6L8,CMZ5935B,CMPZDC12V,CTLZ3V9,CMPZDC2V7,CMPZDC36V,CMSZ5252B,CMOZ6L2,CMPZ4614*,CLL4730A,CMLZDA9V1,CMPD7000E,CLL4754A,CMPD2003,CMDZ10V,CMHZ5265B*,CMZ5381B,CMDZ11L,CMZ5936B,CMFSH-3I,CMPZDC13V,CMPD2004,CMPZ5625,CMSZ5253B,CMXZ30VTO,BZV55C5V1,BZV55C5V6,CMXZ39VTO*,CLL4753A,CMDZ11V,CMUDW6001,CMUD6263E,CMZ5382B,CMDZ12L,CMSZ5250B,CMZ5933B,CMDZ36L,CLL4752A,CMKD7000E,CMHZ5229B,CMPZDC15V,CMPZDC39V,CMDZ12V,CMDZ2V6,CMDZ2V7,CMDZ36V,CMDZ2V4,CMDZ13L,CMZ5934B,CFSH05-20L,CMDSH05-45,CMSZ5251B,CMLD6263DO,SH2-30L,CMXSTB400,CMPD6263S,CLL4750A,CLL4751A,1001,SH2-3L,CMHZ5228B,CMPZDC16V,CMZ5380B,CMPD6263A,CMDZ13V,CMPD6263C,CMUD7000,CTLZ5V1,CMDZ30L,CMOZ4L7,CMZ5955B,CTLZ5V6,CMDZ5251B,CMOZ4L3,SWITCHING DIODES,CMXSTB200,CMDZ30V,CMZ5931B,CMPZ5261B,CMHZ5227B,2838E,CMPSH05-4,CMZ5956B,CMZ5932B,CMDZ5250B,BZV55C7V5,CMPSH-3SE,CMPZ5260B,CMPZDC18V,CMXZ4V7TO*,CMHZ5226B,CMKZ5239B*,CURRENT LIMITING DIODES,CMPSH-3,CMPZ5263B,CMZ5953B,CMDZ4V7,CMHZ5225B,CMHZ5249B,CMDZ4V3,CMHZ5263B*,CMDZ33L,2836E,CMZ5954B,CMOZ8V2,CMDZ33V,CMDSH2-4L,CMPZ5262B,CMZ5930B,CMHZ5224B,CMHZ5248B,CMOZ2L7,CMDZ5255B,CMLSH2-4LC,CMDZ5231B,CTLZ7V5,CMLSH2-4LA,CMOZ2L0,CMOZ2L2,CMOZ2L4,CMOZ2L5,CMDZ2L8,CMHZ5223B,CMDZ2L7,BZX84C9V1,CMDZ2L4,CMDZ2L2,CMLZDA5V1,CMDZ2L0,CLL4738A,CMZ5951B,CMJH180,CMKZ5241B*,CMHZ5247B,CMXZ3V9TO*,CMKSH-3DO,CMDZ5254B,CMDZ5230B,BZV55C9V1,CMUD2836,457A,CMHZ5222B,CMUD2838,3004,3003,CTLSH05-40M621,CLL4737A,CMZ5952B,CMKZ5252B*,CMKD6263,CMHZ5246B,CMSZDA8V2,CMLSH-4DO,CMOSH-3,CMDZ5253B,CMOZ6V8,CMHZ5221B,CMHZ5245B,CMDZ6V8,ZENER DIODES,CLL4736A,CMKZ5228B*,CMDZ6V2,CMDSH-3,CMDZ5252B,CMLZDA7V5,459A,CMLD2004DO,CMHZ5244B,CMOZ6V2,CMXZ6V2TO*,CLL4735A,CLL4759A,LOW LEAKAGE DIODES,CMZ5950B,CMDZ5259B,CMPD2838,CMDZ5235B,CMPZ4109,CMPZDA9V1,CMPZ4107,CMXZ2V7TO*,CMXZ36VTO*,CMPZ4108,CMPZ4105,CMPZ4106,CMPZ4103,CMPZ4104,CMPZ4101,CMOZ30V,CMPZ4102,CMPD2836,CMPZ4100,CMHZ5243B,CMDZ4L7,BZX84C7V5,CMLZDA3V6,CMDZ4L3,CMLZDA3V0,CLL4734A,CMLZDA3V3,CLL4758A,CMHZ5267B*,CMDZ5258B,CMDZ5234B,CMHZ4700,CMLZDA20V,CMHZ5242B,CMOZ30L,CLL4733A,CMXD2004,CLL4757A,CMKZ5250B*,CMJH150,4150,CMDZ5257B,5001,CMDZ5233B,CMHZ4710,CMHZ4711,CMOZ4V7,CMZ5339B,CMPZ4123,CMPZ4124,CMPZ4121,CMXZ3V0TO*,CMLZDA43V,CMPZ4122,CMHZ4709,CMPZ4120,CLL4732A,CLL4756A,CMHZ5241B,CMKZ5261B*,CMHZ4701,CMHZ4702,CMDZ8V2,CMHZ4703,CMHZ4704,CMHZ4705,CTLSH1-40M621H,CMJH120,CMHZ4706,CMOZ33L,CMHZ4707,CMHZ4708,CMDZ5256B,CMPZ4118,CMDZ5232B,CMPZ4119,CMUSH05-4,CMPZ4116,CMPZ4117,CMPZ4114,CMPZ4115,CMPZ4112,CMLZDA5V6,CMPZ4113,CMPZ4110,CMPZ4111,CLL4731A,STB400,CLL4755A,CMXD4448,CMOZ4V3,CMHZ5240B,CMHZ4712,CMHZ4713,CMHZ4714,CMHZ4715,CMHZ4716,CMUD6263SE,CMHZ4717,CMPZ5249B,CMDZ5227B,CMKZ5257B*,CMPZ5225B,CMXTC935A,CMZ5349B,CMOZ10V,BZX84C5V6,CMSZDA33V,CMDZ6L2,CMXD2004S,CMJH100,BZX84C5V1,CMHZ5251B,CLL5256B,CMLD3003DO,CMDZ5228B,CMOZ11L,CMDZ5226B,CMKZ5222B,CMPZ5248B,CMPZ5224B,CMOZ33V,CMXZ5V6TO*,CMLD6001,CMDZ6L8,CMLZDA12V,CMPZ4099,CMSSH-3CE,CMOZ10L,CMLZDA13V,CMHZ5250B,CLL5255B,CMSZDA4V3,CMXZ4V3TO*,CMXZ43VTO*,CMKZ5233B*,CMSZDA4V7,CLL5231B,CMPZ5227B,CMDZ5249B,CMPZDA6V8,CMDZ5225B,CMPZDA6V2,CMOZ12V,CMLZDA11V,CMSZDA11V,CMLZDA2V7,CMLZDA36V,CMZ5347B,BAS56,CMOZ13V,CMLZDA2V4,CLL5254B,CMHD4150,CMOZ13L,CMSD6001,CMKZ5244B*,CLL5230B,CMSD2004S,CMKZ5224B*,CMDZ5248B,CMPZ5226B,CMDZ5224B,CMXZ20VTO*,CMOZ11V,CMLD6263,CMLZDA10V,CMSZDA10V,CMOZ2V4,CMOZ2V6,CMZ5348B,CMOZ2V7,CMOZ36V,CMOZ36L,CMSSH-3AE,CMKZ5255B*,CMOZ12L,CLL5253B,7000,CMPSH-3AE,CMPZ5229B,CMPZDC8V2,CMOD3003,CMXZ18VTO*,CMPZDA30V,CMPD6001,CMDZ8L2,BZX84C3V9,CMSZ5228B,CMOZ39V,BZX84C3V6,CMOZ15V,CMZ5369B,CMZ5345B,CLL457A,BZX84C3V3,CMLZDA18V,CMOZ39L,BZX84C3V0,CMOZ15L,CLL5252B,CMPZ5228B,CMHD459A,CLL5224B*,CMJ1000,CMJ4500,CMSZ5229B,CMSZDA6V8,CMZ5346B,CMSD2005S,CMKZ5231B*,CLL5251B,CMSZDA6V2,CMKZ5221B,CMPZDA4V7,CMKZ5245B,CMPZDA4V3,CMSZ5226B,CMZ5343B,CMLZDA16V,CLL459A,CMZ5367B,CTLSH01-30,CMKZ5242B*,CLL5250B,CMKZ5226B*,CMPD6263,CMPZDA33V,CMXZ3V3TO*,CMJ0130,CMLZDA15V,CMSZ5227B,CMZ5344B,CMSZDA30V,CMOZ16V,CMLZDA39V,CMZ5368B,CMPZDC6V2,BAS28,457A CMHD457A,CLL4739A,CMOZ16L,CMKZ5253B*,CMDZ5229B,CMPZ4707,CMPZDA10V,CMPZ4708,CMPZ4705,CMPZDC6V8,CMPZ4706,CMPZ4703,CMPZ4704,CMPZ4701,CMPZ4702,CFSH01-30,CMPZ4700,CMSZ5224B,CMZ5919B,CMSZ5248B,CMZ5365B,CMPZ5241B,CMHSH-3,CMPZ5265B,CMHZ4100,CMHZ4101,CMHZ4102,CMPZDA11V,CMHZ4103,CMHZ4104,CMHZ4105,CMHZ4106,CMGSH1-3,CMSZ5225B,CMSZ5249B,SH05-20L,CMZ5366B,CMOZ18V,CMZ5342B,CMOZ18L,CMPZ5240B,CMPZDA2V4,CMSZDA16V,2838,2836,CLL3232B,CMPZ5264B,CMOZ9L1,CMHZ4110,CMZ5917B,CMHZ4111,CMPZDC30V,CMKZ5237B*,CMHZ4112,CMPZDA12V,CMHZ4113,CMHZ4114,CMPZDA2V7,CMPZDA36V,CMHZ4115,CMHZ4116,CMPSH-3CE,CMLD6001DO,CLL5239B,CMHZ4117,CMSZ5222B,CMSZ5246B,CFD4448,CMLSH05-4,CMZ5387B,CMZ5363B,CMHZ4107,CMHZ4108,CMHZ4109,CMPZ5267B,CMPZ5243B,CMHZ4121,CMHZ4122,CMXZ33VTO*,CMKZ5248B*,CMHZ4123,CMPZ4716,CMHZ4124,CMPZ4717,CMHZ4125,CMPZ4714,CMPZ4715,CMPZDA13V,CLL5238B,CMPZ4712,CMPZ4713,CMPZ4710,CMPZ4711,CMSZ5223B,CMSZ5247B,CMHZ4120,CMZ5918B,CMZ5388B,CMZ5364B,CMHZ4118,CMSZDA18V,CED2838E,CMHZ4119,CMPZDC4V3,CMPZ5266B,CMZ5340B,CMPZ4709,CFSH2-3L,CMPZ5242B,CMZ5939B,CMZ5915B,CMKZ5259B*,CMDD3003,CLL5237B,CMPZDC4V7,CMXD3004SR,CMSZ5244B,SH1-3,CMZ5385B,CMPZDA39V,CMSD6263,CMPZ
PoE Audio Speakers Application Brief
型号- CMLDM7002AG,CBRLDSH2-100,1SMB58CA,CFTVS5V0BULC,CBRDFSH2-40,C4SMAFL58A,CMOZ5L1,CMO5V0LC,CBRHDSH2-100,CMDZ5L1,CBRDFSH3-60,CMLDM8002AG,CBRHDSH1-100,CBRDFSH1-4,CEDM7002AE,CMLT3474,CBRDFSH3-40,CMLT3820G,CBRDFSH1-100,CTLTVS5V0B,CBRDFSH2-60,CEDM8004,CBRDFSH1-6,CBRDFSH2-100,CMOZ12L
【方案】电子电表(智能电表)之Central Semiconductor(中央半导体)型号推荐
描述- 全球的能源需求是永无止境的。 随着能源需求的增加,消费的实时监测和监管越来越重要。 智能计量可以协调能源生产和需求之间的平衡,立即报告中断,并为消费者提供管理个人消费的工具。 Central Semiconductor(中央半导体)分立器件对智能电表有效可靠运行至关重要,可用于智能电表拓扑的所有功能。
型号- CMUT3904,CZT2222A BK,1.5SMC200CA BK,P6SMB,CMUT3906,CMUDM8005,CSL05D,CMR2U-06,3SMC,CMJH100,CMOZ15V,CMLDM7005,CMUT3904 TR,CMKSH-3T,CTLTVS12,CBR4M-L040,CZT2222A,1SMC170CA,1.5SMC200CA,CBR1-D040S,CMOZ3V3,CMASH-4,CBR1-D060S,CMXD2004,CSL05,CMUT3906 BK,1SMC170CA TR13,CMJH150,CZT2222A TR,CMHZ5226B,CMPDM302PH,CBR2-D060S TR13,CMR3U-06M,CBR2-D040S,CBR2-D060S,CMNTVS12V,1.5SMC,1SMC,CMLSH05-4,CMOD2005,CMHZ5245B,CMSH3-60M,P6SMB200CA,3SMC170CA,CMPLC1V5D,1.5SMC200CA TR13,CMUT3906 TR,CMUDM7005,CMPDM203NH,CMSH5-60,1SMC170CA BK,1SMB170CA,CMUT3904 BK,CMRSH-4DO
Application Brief Electronic Energy Meter (Smart Meter)
型号- CMPDM302PH,CMUT3904,CMR3U-96M,CMUT3906,CBR2-D040S,CBR2-D060S,CMR2U-06,CMLSH05-4,CMOD2005,CMJH100,CMSH3-60M,CMLDM7005,P6SMB200CA,3SMC170CA,CMOZ3V3 THRUCMOZ15V,CMHZ5226B THRU CMHZ5245B,CMKSH-3T,CBR4M-L040,1SMC170CA,1.5SMC200CA,CMPDM203NH,CBR1-D040S,CMSH5-60,CBR1-D060S,CMXD2004,1SMB170CA,CMJH150
Smartphone Application Brief
型号- CMUT3904,CMSH2-100M,CMOSH-3,CMKD4448,CMUT3906,CFSH01-30,CSL05D,CMNTVS12V,CMNDM8001,CMPT491E,CMDFSHC3-100,CMLSH05-4,CMLD4448,CMOZ15V,CMF12A,CEDM7001,CMUT2222A,CMLM0584,CMF5.0A,CMDFSHC5-100,CMST2222A,CMDD2004,CMAD4448,CMLSH1-40,CMLDM8002A,CTLSH01-30L,CMLDM7002A,CMNDM7001,CMOZ3V3,CMUT7410,CMPDM7120G,CMLDM7120G,CEDM8001,CEDM8004,CMUT3410,CMLM0574
Application Brief Hearing Aid
型号- CMUT3904,CMUT3906,CSL05D,CMNTVS12V,CMNDM8001,CMLSH05-4,CMLD4448,CMLT3904E,CMLT3906E,CMUDM8001,CMLM0584,CMBT3904E,CMAD4448,CMNT3904E,CMBT3906E,CMNT3906E,CMLDM8002A,CMLDM7002A,CMNDM7001,CMASH-4,CMRD6263DO,CSL05,CMOZ3V3 THRU CMOZ12V,CMUDM7001,CMRSH-4DO,CMLM0574
CMDZ2V4 THRU CMDZ47V SURFACE MOUNT SILICON ZENER DIODE 2.4 VOLTS THRU 47 VOLTS 250mW, 5% TOLERANCE
型号- CMDZ18V,CMDZ3V0,CMDZ6V8,CMDZ20V,CMDZ30V,CMDZ3V9,CMDZ7V5,CMDZ22V,CMDZ10V,CMDZ8V2,CMDZ9V1,CMDZ24V,CMDZ4V7,CMDZ5V6,CMDZ12V,CMDZ2V6,CMDZ6V2,CMDZ2V7,CMDZ3V6,CMDZ36V,CMDZ2V4,CMDZ3V3,CMDZ5V1,CMDZ4V3,CMDZ16V,CMDZ2V4 SERIES,CMDZ11V,CMDZ33V,CMDZ43V,CMDZ13V,CMDZ15V,CMDZ47V,CMDZ39V,CMDZ27V
电子商城
现货市场
服务
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>
可定制单色光灯珠、双色灯珠、全彩灯珠、发光二极管、贴片灯珠、贴片LED等产品,尺寸:0.6*0.3mm-3.2*2.7mm,波长:405-940nm,亮度:24-750mcd,电压:1.5-3.5V。
最小起订量: 3000 提交需求>
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