电感器品质因数的高低与线圈导线的直流电阻、线圈骨架的介质损耗及铁心、屏蔽罩等引起的损耗等有关。Q=XL/R=2πfL/R
原装现货 价格优惠 欢迎来电垂询 0755-83041767 83372015 13510940754 13570833454 柯's
| 1633DUMMY |
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| D364F066 |
| MAX8902AATA |
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| MSC5511 |
| N098E |
| N68E35 |
| N68E36 |
| N68E41 |
| NLSF3T125MNR2G |
| SC600AIMLTR |
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| TDFN6L33 |
| YHE |
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| AT25F512Y4-10YU-2.7 |
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| PIC16F76-I/ML |
| PIC18LF4320-I/ML |
| R0P10114211R1B |
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| CM250005QF |
| CM9107-00QE |
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| CM9220010E |
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| MAX4172EUA |
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| MAX4326EUA |
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| 4491EU |
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| 1539KC |
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| IR1502 |
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| AIC1526L |
| AMS1117CS-3.3 |
| AT42010 |
| BD237 |
| CY2308SC-2 |
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| IRFR420A |
| LT3205EUF |
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| M29W1600T-90ZA6 |
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| BQ2016 |
| BQ2060A |
| HMA121A |
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| ISL6225CA |
| ISL6227CAZ |
| LTC1702ACGN |
| KESRX01GIG |
| LT1769IGN |
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| MAX1999EEI |
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| MOCD207 |
| PCM1725D |
| QSCB01 |
| 2SA1223 |
| 6250V21 |
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| AT24C128N-SI27 |
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| D5124 |
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| K6F4008U2E-EF70 |
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| PACDN002S |
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| PF01420B 10U |
| PF04110B 11L |
| PF04110B 11U |
| PF08103B 70U |
| PF08107B 30U |
| PF08109B 10U |
| PF08112B |
| PMB2851E-V1.3M11 |
| PMB2906EV1.2A |
| PMB2906EV1.2B |
| PMB6850EV1.3CM34 |
| PMB6850EV2.1M34 |
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| V20831P |
| X9241WS |
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| XP215 |
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| EPM7032LC44-12 |
| EPM7128LC84-15/20 |
| MACH210-15JC-18JI |
| N82S115F |
| RCV336ACF/SP R6749-21 |
| S82S141F883C |
| 08122BG |
| CY7C109V33-15VC |
| EPF10K100ABC356-1 |
| LT1001CS8 |
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| LT1615ES5-1 |
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| LTC1155IS8 |
| LTC1330CG |
| LTC1422CS8 |
| LTC1485IS8 |
| LTC1516CS8 |
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| LTC1622CS8 |
| LTC1701ES5 |
| LTC1707CS8 |
| LTC1708EG-PG |
| LTC1709EG |
| LTC1709EG-7 |
| LTC1709EG-9 |
| LTC1733EMSE |
| LTC1734ES6-4.2 |
| LTC1771ES8 |
| LTC1772BES6 |
| LTC1772CS6 |
| LTC1778EGN |
| LTC2615CGN-1 |
| LTC2902-1CGN |
| LTC3202EMS |
| LTC3251EMSE |
| LTC3405AES6 |
| LTC3411EMS |
| LTC3701EGN |
| LTC3716EG |
| LTC3730CG |
| LTC3735EG |
| LTC4053EMSE-4.2 |
| LTC4054ES5-4.2 |
| LTC4257CS8-1 |
| MAX1832EUT |
| SM16LC12C |
| SPF10K30AFC484-2 |
| IRCH33J477 |
| LT1631CS |
| LTC1159CS-3.3 |
| LT1425CS |
| MAX1800EHJ |
| AT24C256-10CI-1.8 |
| DS2503 |
| LMX2322SLBC |
| LMX2379SLBA |
| M36W108AT-100ZM6 |
| MBM29LV160B-12PBT |
| MBM29LV160BE-90PBT |
| MSM6250A |
| WM8252S |
| 24AA256I/MF |
| 24LC512I/MF |
| 25AA256I/MF |
| 40.000MHZ |
| AT25F1024AY4-10YU-2.7 |
| AT25F4096Y4-10YH-2.7 |
| AT25F512AY4-10YH-2.7 |
| ICS1893BKILFT |
| IR3086AM |
| LMB1029T |
| M37590M3T-119FP |
| MAX1508ETA+T |
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| MAX1976AETT+T |
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| MAX4717ETB+T |
| MAX6782TEB+T |
| MAX8559ETA+T |
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| MAX8559ETAJJ |
| MAX8622ETB+T |
| MAX9705BETB+T |
| MAX9718AETB+T |
| MC14071BCP |
| MRF24J40-I/ML |
| NB100LVEP56MNG |
| NCP5388MNR2G |
| V23084-C2002-A403 |
| 5040A |
| AT02 |
| AT02B |
| AT64A |
| CCFRF155 |
| CCFRF596 |
| AKL001-12 |
| AKL002-12 |
| AKL003-12 |
| AT19695TEST |
| CD3238RGJRG4 |
| DD001-12E |
| DS1864T+ |
| FL0209G770HC |
| FN0014 |
| S25FL004A0LNFI00 |
| S25FL008A0LNFI00 |
| LQH43CN220K01L |
| LQH43MN470J01L |
| UPR10/TR13 |
| 24C65/SM |
| 24C65I/SM |
| AMS2951CS |
| AMS2951CS-3.3 |
| AMS3107S |
| AMS431CS |
| CP6195ATT |
| CS5960AT |
| MB3887PFV-G-BND |
| P2180A |
| SM16LC08 |
| SM16LC24C |
| SM16LC36C |
| SMLC6.5C-2 |
| SMP6LC05-2P |
| SMP6LC12-2P |
| B58253I/SN |
| DCP010505BP |
| IR120725 |
| IR3037A |
| MPC17A50 |
| MPC1825 |
| MPC1825A |
| LR37811 |
| M50231 |
| NCN6000 |
| PI3L301BA |
| PI3L301DA |
| PI5C32X245B |
| QS3245Q |
| TPS54312 |
| MM1433E |
| STAC9750T |
| 29LV008BTC-70 |
| 74HC7046AD |
| CM8500I |
| CY2410SC-1 |
| CY2410SC-3 |
| HCT4066 |
使用方法 微型保险丝的实际使用场合,仅仅依据UL规格条款来选定保险丝是远远不够的。 贴片保险丝 1.在选择时必须考虑的几个问题 : 在了解了所使用电路的参数基础上,按下面几个方面来选定保险丝:常态电流、熔断电流(希望使之熔断的电流和时间)、开路电压、短路电流、冲击电流(没有被切断的电流、时间和次数)、环境温度。 ①常态电流:首先我们必须知道,在所使用的电路中流经保险丝的常态电流大小。通常情况下我们要预先设定一个减额量,然后按下面的原则来进行选择:即常态电流必须小于额定电流与减额系数的乘积。 ②熔断电流:按照UL规格的规定,保险丝应在额定电流2倍的情况下快速熔断。但在大多数情况下,为了确保可靠地熔断,我们推荐熔断电流应大于额定电流的2.5倍。另外熔断时间是重要的话,还必须参考厂商提供的熔断特性图来作出判断。 ③开路电压:开路电压一般应选定为小于额定电压。例如将额定电压为DC24V的保险丝用于AC100V的电路中时,有可能引燃保险丝或使保险丝破裂。 ④短路电流:我们把电路短路时流过的电流值称之为短路电流。对于各种保险丝来说,...
1812SMD014 1812SMD020 1812SMD030 1812SMD050 1812SMD075 贴片式微型保险丝的规格与形状结构 1.规格 大多数微型保险丝都获得了美国国度安全规格地UL248-14认证,这种规格规定了下述这些内容: ①通电容量:按额定电流通电1小时不熔断。 ②温度上升:按额定电流通电时地温度上升<75℃。 ③熔断实验:在通以2倍额定电流状况下,1分钟之内熔断。 ④断路容量:加上额定断路容量时,不会连续地产生飞弧或引燃。 2.形状与结构 微型保险丝地形状有引线型和片型之分,假如按保险丝元件地结构来分地话,又能够分为线形和薄膜形。图1为日本松尾电机公司生产地微型保险丝地外形和结构。表1所示为它们地特性和额定值。表中断路特性一栏“24V/50A”地含义是:即使加在电路上地电压为24V,并使电路短路时流过地电流为50A,保险丝依然能够确保使用上地安全。假如超过“24V/50A”,则有能够产生连续地飞弧而无法切断电路,或许还会惹起外壳破裂。 ①JAD型:3216,线形具有地耐脉冲电流特性,适用于冲击电流较大地电路中。 ②KAB型:2012/1608,薄膜形体积小、额定电流范围宽,是便携式电...