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Asia-Paci c: Tel +886-2 256 241 17*************************************EMEA: Tel +36 88 885 877******************PRODUCT CHANGE NOTIFICATIONUsers should verify that the described changes will not impact the performance of the product in their speci c applications.Reduced wall thickness at the lower portion of shield (4 sides)Revised Mounting BaseAdded retainer wall (4 places)M A G N E T I C SIC22083Bourns® Model SRF1260A and SRF1280A Series Dual-Winding Shielded Power InductorsImplementation of Multiple ChangesRiverside California – July 21, 2022 – In order to support our fast-growing demand and provide maximum flexibility to customers, Bourns will begin implementing several changes to improve the production efficiency and material sourcing lead time for the Model SRF1260A and SRF1280A Series Dual-Winding Shielded Power Inductors effective March 18, 2023.1) S everal manufacturing procedures will be changed from a manual or semi-automated process to a fully automated process. These chang-es should improve production e ciency, product quality and reliability. To accomplish these process changes, the design of the inductor shield and the mounting base will be modi ed as shown below.101220Bourns® Model SRF1260A and SRF1280A Series Dual-Winding Shielded Power InductorsImplementation of Multiple ChangesPage 2 of 2If you have any questions or need additional information, please feel free to contact Customer Service/Inside Sales .A list of a ected part numbers is shown below:2) C ertain properties of the ferrite core will change. The material characteristics of the revised core are compared to the characteristics of the existing core in the following table:The t and function of the a ected models will remain the same. The form of the a ected models will change slightly due to the changes described above. The quality and reliability of the a ected models should be improved. Traceability will be maintained through lot code and date code. Samples built with the above changes are available on request. Bourns recommends that customers test the a ected part number(s) in their speci c applications for veri cation of satisfactory performance. Implementation dates are as follows:Date that manufacturing of the existing product design and production process will cease: March 18, 2023Date that deliveries of products manufactured with the revised design and production process will begin: March 19, 2023First date code using the above changes:2312。
电源电路用电感器绕线金属磁性材料VLS-HBU系列VLS252012HBU型特点(40V)。
: –40 to +105°C（包括自我温度上升)用途、LCD Panel、OLED Panel、LCD Driver应用指南：智能手机/平板终端型号的命名方法特点规格表* 额定电流：Isat和Itemp中较小的值。
Isat: 基于电感器变化率（比初始L值降低30%）Itemp:基于温度上升（自我发热使温度上升40°C）测量设备＊有时使用同等测量设备。
VLS252012HB U-3R3M系列名称L×W×H尺寸管理编号1管理编号2电感电感容差2.5×2.0×1.2 mm(µH)L测定频率直流电阻额定电流*型号Isat Itemp Isat Itemp(µH)容差(MHz)(Ω)max.(Ω)typ.(A)max.(A)max.(A)typ.(A)typ.3.3±20%10.2160.180 2.36 1.60 2.62 1.78VLS252012HBU-3R3M4.7±20%10.2950.246 1.67 1.36 2.10 1.51VLS252012HBU-4R7M 6.8±20%10.4400.367 1.280.97 1.60 1.08VLS252012HBU-6R8M 10±20%10.6720.560 1.160.80 1.450.89VLS252012HBU-100M 15±20%1 1.200 1.0000.900.70 1.100.78VLS252012HBU-150M 22±20%1 1.680 1.4000.860.580.950.64VLS252012HBU-220M测量项目型号厂商L4194A Keysight T echnologies直流电阻VP-2941A Panasonic额定电流 Isat4285A+42841A+42842C Keysight T echnologiesL频率特性测量设备型号厂商4294A Keysight T echnologies＊有时使用同等测量设备。
一体屏蔽电感封装尺寸标准
一体屏蔽电感封装尺寸标准是指电子电路中的一种元件封装标准，用于封装一
体屏蔽电感。
一体屏蔽电感是电感元件的一种类型，在电路中起到抑制高频噪声干扰的作用。
根据相关行业标准，一体屏蔽电感的封装尺寸通常遵循以下规定：
1. 封装尺寸：一体屏蔽电感通常采用标准封装形式，常见尺寸规格包括0402、0603、0805、1206等，其中数字代表封装尺寸的长宽尺寸（单位为毫米）。
2. 外形尺寸：一体屏蔽电感的封装外形一般为矩形，长度和宽度符合对应封装
规格。
3. 厚度尺寸：一体屏蔽电感的厚度通常较薄，以适应紧凑的电路设计需求。
不
同的封装规格具有不同的厚度标准，通常在数十微米到数百微米之间。
4. 引脚尺寸：一体屏蔽电感一般具有两个引脚，用于与电路板进行连接。
引脚
的尺寸通常符合相应的封装规格，并根据设计需要考虑与其他元件的间距。
需要注意的是，具体的一体屏蔽电感封装尺寸标准可能会因不同的制造商或标
准组织而有所差异，所以在实际应用中，建议根据实际需求参考供应商提供的规格书或相关行业标准进行具体尺寸选择。
总之，一体屏蔽电感封装尺寸标准对于电子电路设计和制造具有重要意义，合
理选择和应用标准尺寸电感封装能够提高电路的性能和可靠性，同时也便于元件的选型和替换。
电感专业制造商 CMNR系列磁胶屏蔽功率电感器●EXTERNAL DIMENSIONS UNIT：mm（外形尺寸）Fig 1Fig 2Fig 3● PART NUMBERING SYSTEM（品名系统）CMNR3015-4R7M T123451、SERIES NAME 品名 C代C.RD.，M指贴片端银系列，NR代表点磁胶屏蔽2、DIMENSIONS 尺寸 外围*高度3、INDUCTANCE 电感值 前两位为有效数字，第三位表示零的个数4、TOLERANCE CODE 公差 J：±5%，K：±10%，L：±15%，M：±20%，P：±25%，N：±30%5、PACKING CODE 包装方式 T：Tape&Reel(卷装) B：In Bulk● FEATURES（特性）Various high power inductors are superior to be high saturation for surface mounting.具有高功率、高饱和电流，低阻抗、小型化之特点● Operating Temp（操作温度）工作环境温度 -40℃～125℃● APPLICATIONS（用途）LED,VR,AR,Notebooks, desktop computers, servers, graphic cards cards，Telecomm base stationsPortable gaming devices, personal navigation systems, personal multimedia devicesFlat-screen TVs, blue-ray disc recorders, set top box, movie cameras,smart phone************************************************************************************ Design As Customers Requested Specifications可根据客户需求设计电感专业制造商 CMNR系列磁胶屏蔽功率电感器CMNR4020 TYPECMNR4030 TYPECMNR5040 TYPECMNR6028 TYPE※1: All test data is referenced to 20°C ambient;※2: Rated current: Isat or Irms, whichever is smaller;※3: Isat: DC current at which the inductance drops approximate 30% from its value without current;※4: Irms: DC current that causes the temperature rise (△T =40°C) from 20°C ambient.TYPICAL ELECTRICAL CHARACTERISTICS CMNR252012 SeriesTemperature vs. DC Current Characteristics Inductance vs. DC Current CharacteristicsTYPICAL ELECTRICAL CHARACTERISTICSCMNR3012 SeriesTemperature vs. DC Current Characteristics Inductance vs. DC Current CharacteristicsCMNR3015 SeriesTemperature vs. DC Current Characteristics Inductance vs. DC Current CharacteristicsCMNR4012 SeriesTemperature vs. DC Current Characteristics Inductance vs. DC Current CharacteristicsTYPICAL ELECTRICAL CHARACTERISTICSCMNR4020 SeriesTemperature vs. DC Current Characteristics Inductance vs. DC Current CharacteristicsCMNR4030 SeriesTemperature vs. DC Current Characteristics Inductance vs. DC Current CharacteristicsCMNR5020 SeriesTemperature vs. DC Current Characteristics Inductance vs. DC Current CharacteristicsCMNR6020 SeriesTemperature vs. DC Current Characteristics Inductance vs. DC Current CharacteristicsCMNR6028 SeriesTemperature vs. DC Current Characteristics Inductance vs. DC Current CharacteristicsCMNR8040 SeriesTemperature vs. DC Current Characteristics Inductance vs. DC Current Characteristics。
■Product IdentificationFeaturesNew designed terminal for low cost Low profile and high currentMagnetically shielded constructionIdeal for digital equipment and hand phone ofnew generation.－Saturation Rated Current: The current when the inductance becomes 30% lower than its initial value. (Ta=20°C) －Temperature Rise Current: The current when temperature of coil increases up to Max. ∆t=40°C. (Ta=20°C) －Operating temperature range: -40～125°C －SCDB2D15 2.2～33µH 1.00～0.25A －SCDB2D18 2.2～47µH 1.10～0.23A －Test equipment:L: HP4284A Precision LCR meter DCR: Milli-ohm meter■Electrical CharacteristicsSCDB2D12 TypeIDC (A) max.Codes L (µH) ToleranceTest Condition DCR (Ω) max. 20°C 100°C I rms (A) max. 1R2 1.2 N 100KHz, 0.1V 0.117 0.85 0.70 1.05 2R2 2.2 N 100KHz, 0.1V 0.182 0.70 0.60 0.90 3R3 3.3 N 100KHz, 0.1V 0.260 0.60 0.50 0.82 4R7 4.7 N 100KHz, 0.1V 0.312 0.50 0.40 0.72 5R6 5.6 N 100KHz, 0.1V 0.442 0.46 0.35 0.67 6R8 6.8 N 100KHz, 0.1V 0.520 0.43 0.30 0.62 8R2 8.2 N 100KHz, 0.1V 0.560 0.38 0.28 0.58 100 10 M 100KHz, 0.1V 0.780 0.33 0.25 0.55 220 22M100KHz, 0.1V1.6500.22--SCDB2D15 TypeIDC (A) max.Codes L (µH) ToleranceTest Condition DCR (Ω) max. 20°C 100°C I rms (A) max. 2R2 2.2 N 100KHz, 0.1V 0.150 1.00 0.80 1.00 3R3 3.3 N 100KHz, 0.1V 0.234 0.90 0.70 0.90 4R7 4.7 N 100KHz, 0.1V 0.338 0.80 0.60 0.85 5R6 5.6 N 100KHz, 0.1V 0.364 0.70 0.55 0.80 6R8 6.8 N 100KHz, 0.1V 0.416 0.60 0.52 0.77 8R2 8.2 N 100KHz, 0.1V 0.572 0.55 0.48 0.72 100 10 M 100KHz, 0.1V 0.624 0.50 0.45 0.70 120 12 M 100KHz, 0.1V 0.702 0.45 0.40 0.65 150 15 M 100KHz, 0.1V 0.949 0.40 0.35 0.50 180 18 M 100KHz, 0.1V 1.090 0.35 0.30 0.40 220 22 M 100KHz, 0.1V 1.250 0.30 0.25 0.30 330 33M100KHz, 0.1V2.2000.25-0.25SCDB2D18 TypeIDC (A) max.Codes L(µH) ToleranceTest Condition DCR (Ω) max. 20°C 100°C I rms (A) max. 2R2 2.2 N 100KHz, 0.1V 0.117 1.10 0.90 1.10 3R3 3.3 N 100KHz, 0.1V 0.143 1.00 0.80 1.00 4R7 4.7 N 100KHz, 0.1V 0.221 0.80 0.70 0.90 5R6 5.6 N 100KHz, 0.1V 0.247 0.75 0.60 0.85 6R8 6.8 N 100KHz, 0.1V 0.312 0.70 0.55 0.82 8R2 8.2 N 100KHz, 0.1V 0.351 0.60 0.50 0.78 100 10 M 100KHz, 0.1V 0.468 0.55 0.48 0.75 120 12 M 100KHz, 0.1V 0.533 0.50 0.45 0.65 150 15 M 100KHz, 0.1V 0.598 0.45 0.40 0.55 180 18 M 100KHz, 0.1V 0.715 0.40 0.33 0.50 220 22 M 100KHz, 0.1V 0.975 0.38 0.30 0.45 270 27 M 100KHz, 0.1V 1.105 0.33 0.25 0.40 330 33 M 100KHz, 0.1V 1.222 0.30 0.23 0.33 390 39 M 100KHz, 0.1V 1.625 0.25 0.20 0.28 47047M100KHz, 0.1V1.8200.230.180.25Unit: mm▓Tape and Reel specificationsTape size Parts Per ReelType W P 13〞 SCDB2D12 12 8 4000 SCDB2D15 12 8 4000 SCDB2D181283500▓SMT Power Inductor Environmental SpecificationsGeneralItemsSpecificationsShelf Storage conditions Temperature range: 15~28; Humidity: <80% relative humidity.℃Recommended product should be used within one year from the time of delivery.Environmental testTest ItemsSpecificationsTest Conditions / Test MethodsHigh temperature Storage testTemperature 85±2℃,Time: 48±2 hours,Tested after 1hour at room temperature. Low temperature Storage testTemperature -25±2℃,Time: 48±2 hours,Tested after 1hour at room temperature. Humidity testTemperature 40±2℃, 90~95% relative humidity Time: 96±2 hoursTested after 1hour at room temperature.Thermal shock test No case deformation or change in appearance. △L/L ≦10%First -25℃ 30minutes then 25℃ 10 minutes last 85℃30 minutes, as 1 cycle. Go through 5 cycles. Tested after 1 hour at room temperature.Mechanical testTest ItemsSpecificationsTest Conditions / Test MethodsSolderability testTerminal area must have 90% minimum solder coverage.Product with Lead-free terminal:Dip pads in flux then dip in solder pot at 245±5℃ for 3 seconds.Resistance to Soldering HeatNo case deformation or change in appearance.Flux should cover the whole of the sample before heating, then be preheated for about 2 minutes over temperature of 130~150℃. Immersing to 260±5 for ℃10 seconds.Vibration testApply frequency 10~55Hz. 1.5mm amplitude in each of perpendicular direction for 2 hours.Shock resistance No case deformation or change in appearance. △L/L ≦10%Drop down with 981m/s 2(100G) shock attitude upon a rubber block method shock testing machine, for 1 time. In each of three orientations.The condition of reflow (recommendation):。
1.MATERIAL LIST:(材料表)NO ITEM(品名)MATERAL(材质)SUPPIER(供应商) 1BSAE(底坐)FR-5合 进2CORE(磁芯)A10 R10K越 峰/伸 勇3PCB(隔板)FR-1福 宁4 WIRE(漆包线)2UEW太平洋5TAPE(胶带)#1350F-13M6TRIPLEWIRE(三层绝缘线)TRW-B蓝 菱7 HEAT TUBE(热缩套管)CB-HFT长 园8 VARNISH(凡立水)468-2FC杰地9EPOXY(环氧树脂胶)G-9008固 德10COPPER (铜箔)CU德 昌112.SCHMATIC:(线路图)0.2MM，0.3MM15MMΦ3.0mmSPECIFICATION(规格型号) BASE-002(6P),PIN距=7.0，排距=17.6 CORE，T22*14*8+C,A10,AL=7230+/-25%13MM*10MM*2.0MM0.025*20MM3.ELECTRCAL CHARACTERISTICS:(电气特性)TEST INSTRUMENT(測試儀器):CH3250 CH502TEST CONDITION (測試條件):1KHz 0.25VTURNS (圈 数)INDUCTANCE (电感） DCR (直流电阻)WINDING METHOD(绕线方式)5.5TS 3.4uH +10%135mΩ 疏绕满层NOTE:(注意事项)TEST INSTRUMENT(測試儀器):CH-90534.EXTERIOR PROCESS EXPLANATION:(外观加工说明)3.1 ,TEST INDUCTANCE, ,DCR. (電感,直流電阻測試).WINDING(绕组)DIAMETER AND TYPE (线径及线种)N1(1 --- 2)2UEW 1.2*4 3.2.INSULATION RESISTANCE AND HI-POT TEST(絕緣電阻與耐電壓測試)TESE ITEM(测试项目)HI-POT TESE ( 耐压测试)INSULATION RESISTANCE(绝缘电阻)1.产品需含浸,用+468-2FC 凡立水.2.出入线需点EPOXY 固定3.产品本体需包15MM TAPE 两圈.TEST CONDTION (測試條件)AC 50/60HZ 0.5mA/3SEC DC 500V 100MΩ MINN1 --- N2750V 4.1 产品外观尺寸说明:PIN 距: PIN (1—2) = 12.5+/-0.5MM PIN ( 3—4) = 12.5+/-0.5MM排距: PIN (1—3) = 15.5+/-0.5MM PIN ( 2—4) = 15.5+/-0.5MM高度: 30MM MAX 宽度: 20MM MAX4.2 其他外观加工说明:产品外需焊接0.025*20MM.。
