【产品】石塚提供小型化封装的2端子恒流二极管,单部件可实现恒流电路,保证LED照明亮度稳定
LED已被广泛应用于许多照明设备中,但在幕后,也出现了各种问题。例如,LED存在的问题是因为亮度随电流波动而变化并且闪烁,一定需要恒流电路来防止这种情况发生。由于恒流电路是由多个电子元件组合而成,因此在基板上占用大量空间。
SEMITEC的CRD是一种2端子恒流二极管,具有无论电压波动、负载电阻变化、纹波电压等如何都能保持电流恒定的特性。SEMITEC的CRD可以执行与恒流电路同等的功能,只需装配其中之一即可稳定亮度。由于可以简化电路和减少零件数量,因此也可以节省空间,大大有助于实现LED照明的小型化。
另外,SEMITEC的CRD也有多个种类可供选择:
1、在形状上,有可以节省贴装区域空间的表面贴装型和可以插入基板中的类型;
2、产品阵容中有两种轴向引线型。(表面贴装型17个特性,轴向引线型16个特性)
相关产品
E系列(轴向引线型)
CRD为保持电流恒定提供了一种紧凑而可靠的解决方案。CRD E系列产品采用DHD(双散热二极管)结构的DO-35型封装——密封、高可靠性封装,由于材料成本较低,适合大规模生产。
采用DO-35(300m W)封装的紧凑型设备18mA:CRD(E-183)在SEMITEC的产品系列中增加了18mA CRD(从15mA起),现在可以为20mA高亮度LED提供恒定电流以稳定亮度。
SEMITEC的CRD E系列完全符合RoHS第2011/65/EU号指令。
额定值
规格
S系列(SMD型)
CRD S系列产品是采用树脂密封SMD封装的表面贴装器件。SEMITEC的产品与最新的薄型LED具有大致相同的高度,因此在彼此相邻安装时,光线不会被阻挡。
(12/2015):22mA:CRD在SEMITEC产品阵容中增加了22mA CRD(S-223T)以适应高亮度LED。这已成为必要,因为在高亮度LED的情况下,通常必须使用两个CRD。使用SEMITEC新的22mA (223T)产品,又可以仅使用一种产品来稳定电流。
SEMITEC的CRD E系列完全符合RoHS第2011/65/EU号指令。
额定值
规格
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本文由圆明园驯兽师转载自SEMITEC官网,原文标题为:用单个部件实现恒流电路! – LED亮度稳定元件用恒流二极管(CRD)-,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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SEMITEC(石塚)NTC热敏电阻选型指南(英文)
目录- NTC thermistors Micro thin film thermistor Micro thin film type sensor probe Thin film thermistor Very high accuracy thermistor High accuracy thermistor High sensitivity thermistor High temperature, high sensitivity, glass encapsulated thermistor High accuracy, SMD chip type thermistor High temperature axial type thermistor Non-contact (IR) temperature sensor Current regulating diode VRD voltage regulating diode Inrush current limiter THERMOPILE
型号- 103CT-01006,103FT1005A5P,503NT-4-R025H42G,Z2U SERIES,E-301,S-183T,ZD022,ZD027,Z2082,Z6068U,S-701T,S-822T,S-103T,103CI-01006,AP,202AT,203CT,AT,563CT-4,ZD033,FΜ,Z2U,503KT1608T,ZD039,303ET,Z6033U,103FT1005B5P,Z6100,ZD047,Z2008U,NT-4 SERIES,103FT1005A5P1-□,103KT1005T,ZS1033D-T,Z6056U,473CT-4,15D2-15,S-202T,833ET,15D2-13,502AT,15D2-11,234NT-4-R200H42G,204CT,CT,6D2-22,ZD056,15D2-08,202AP-2,473CT,203AT,103AT-11,ZS1033U,203AT-11,203AP-2,E-183,ZD SERIES,5D2-15,5D2-13,103AT-2、3,5D2-14,5D2-11,104NT-4-R025H42G,E-501,5D2-10,ZS1033D,S-272T,Z2010U,1.5D2-15,402ET,5D2-18,ZS-D,ZD068,Z6120,103KT1608T,ZS1022U,4D2-18,10TP583T,103ETB,503ET,563CT,103NT-4-R025H41G,103NT-4-R□□□H□□G,Z2 SERIES,103ET□□-□□,502NT-4-R025H39G,S-301T,ET,ZS1022D,S-152,S-153,502AT-11,Z6015,S-272,Z6018,Z6U,Z6012,4D2-11,4D2-13,4D2-15,4D2-14,Z6150U,203CT-4,104CT-90113,10D2-08,503CT-91027,105NT-4-R025H46G,10D2-07,513CT,10D2-05,103FT1005D5P,16D2-07,FT,10D2-10,16D2-13,16D2-14,Z2100,16D2-15,Z6027,20D2-11,S-183,403ET,16D2-10,16D2-11,Z6022,234ET,4D2-22,223FΜ5183,364FT1005A5P,E-272,E-153,562CT,E-152,10D2-18,5D2-05,ZS-U,10D2-15,504NT-4-R025H45G,S-153T,10D2-14,10D2-13,104NT-4-R025H43G,103AP-2,10D2-11,252CT-4,S-152T,20D2-05,5D2-08,202AT-11,113CT-4,Z6039,5D2-07,103JT,Z6033,20D2-08,502AT-2,ZS1015,ZS1018,Z6100U,ZS1012,512CT,113CT,204AP-2,E-701,E-822,212ET,□□□AP-2-□,Z2,Z6047,Z2120,Z6,1D2-22,S-123,204NT-4-R025H43G,1D2-15,1D2-13,Z6082U,103CT-4,852NT-4-R050H34G,103AP-2-A,S-352,912CT,Z2012,912CT-4,Z2018,104JT,Z2015,47D2-18,Z6056,Z6039U,ZS,203NT-4-R025H42G,Z6015U,Z6027U,103AT-□-FT,ZS1039,ZS1033,ZS1047U,S-352T,JT,E-123,3D2-15,3D2-11,102AT-2,204CT-4,Z2022,3D2-14,ZS1047D,NC-□□,Z2027,Z2012U,3D2-10,12D2-14,S-822,Z6018U,12D2-13,513CT-4,Z6068,12D2-15,ZS1012U,ZS1027,Z2033U-52Z,ZS1022,12D2-10,223FΜ3122,12D2-11,E-352,KT,103ET,S-501T,Z6U SERIES,3D2-22,223FΜ□,202AT-2,Z2033,Z2039,□102□,ZS1012D,232AP-2,224ET,104AP-2,12D2-07,Z2150,203AT-2,Z6082,Z6120U,103CI-21048,503FT1005B5P,E-102,5D2-11LT3C,E-101,503AP-2,E-103,Z2047,S-562,CT SERIES,22D2-07,S-202,Z2018U,104KT1608T,Z6022U,ZS1047,E-452,ZS1018U,Z6 SERIES,103CT,104ET,S-123T,102AT,Z2056,102AT-11,KT SERIES,5D2-11LCTR,ZS1018D,562CT-4,104CT-4,103KT1608T-□□,Z6047U,8D2-11,8D2-10,ZS1027U,ZS1015U,NT,512CT-4,364FT0603A5P,503FT1005A5P,E-562,S-102T,S-562T,S-223T,2D2-13,NT-4,2D2-11,ZS1039U,2D2-10,8D2-18,8D2-13,E-202,4.7D2-15,103JT-□□□,8D2-15,103NT-4-R025H34G,4.7D2-13,8D2-14,Z2068,493NT-4-R100H40G,103CT-□□□,ZS1015D,2D2-15,2D2-14,252CT,Z2180,ZS1039D,582ET,ZS1027D,S-103,S-101,S-102,S-223,Z6012U,103CT-21048,103AT-5,103AT-4,S-452T,8D2-07,103AT,S-101T,104CT,S-452,Z2015U,203ET,502AP-2,ZD015,ZD018
【选型】恒流精度±1%的国产LED驱动芯片KP1063CSPA用于LED驱动板,全电压功率因数>0.9
LED发光二极管,是一种能够将电能转化为可见光的固态的半导体器件,它可以直接把电转化为光。市面上家用灯具目前主流的就是这种LED灯。某用户在研制led灯具时,需要用到一颗LED驱动,我们推荐了必易微LED驱动芯片KP1063CSPA。
【产品】2020幻彩四脚贴片式发光二极管XL-2020RGBC-WS2812B,外控恒流,符合ROHS标准
成兴光推出的XL-2020RGBC-WS2812B是一款集成高质量单线级联恒流驱动IC和高质量RGB LED芯片的外控恒流2020集成灯珠,其中内置控制IC是三通道低压LED灯串驱动芯片,外观尺寸(L/W/H)2.0*2.0*0.65mm。
热敏电阻产能行业第一,全球知名NTC热敏电阻制造商SEMITEC(石塚)签约
8月,全球知名NTC热敏电阻的制造商SEMITEC(石塚)与世强硬创平台建立合作,授权其代理旗下NTC热敏电阻,温度传感器,CRD恒流二极管等产品。SEMITEC(石塚)是日本NTC热敏电阻和温度传感器供应商,生产能力位于世界同行第一,全球市场OA占有率80%
Realize A Constant-current Circuit with A Single Component!- Current Regulating Diode (CRD) For LED Luminance Stabilization
SEMITEC CRDs are two-terminal current regulative diodes that provide a constant current flow without voltage fluctuations, changes in load resistors, or ripple voltages.
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可定制弹簧天线频率范围:470MHz、315MHz、433MHz、868MHz、915MHz、490MHz、2.4GHz、GPRS、3G、蓝牙;增益:0~5dBi;电压驻波比V.S.W.R:≤2;天线尺寸不限。
最小起订量: 1000 提交需求>
可定制商用热管最高尺寸15.88mm,环路热管的热量传递范围为50mm到1000mm以上等,超薄热管长度60~200mm,厚度035~0.7mm,功率2~8W。同时满足低于-250℃的低温应用和高于2000℃的高温应用的需求。
最小起订量: 1000套 提交需求>
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