价 格: | 0.40 | |
产品类型: | 肖特基管 | |
品牌/商标: | PANJIT/强茂 | |
型号/规格: | SK32 SK33 SK34 SK35 SK36 | |
结构: | 肖特基 | |
材料: | 砷化镓(GaAs) | |
封装形式: | 贴片型 | |
封装材料: | 塑料封装 | |
功率特性: | 小功率 | |
频率特性: | 低频 | |
反向电压VR: | 20~60(V) | |
正向直流电流IF: | 3000(mA) |
Features
· For Surface Mount Applications
· Extremely Low Thermal Resistance
· Easy Pick And Place
· High Temp Soldering: 250°C for 10 Seconds At Terminals\\
· High Current Capability With Low Forward Voltage
Maximum Ratings
· Operating Temperature: -55°C to +125°C
· Storage Temperature: -55°C to +150°C
· Maximum Thermal Resistance; 10°C/W Junction To Lead
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200V, 4A Schottky Fast Soft−Recovery Power RectifierSMC Power Surface Mount PackageFeatures• Lower Forward Voltage than any Ultrafast Rectifier:VF < 0.61 V at 150°C• Fast Switching Speed: Reverse Recovery Time (tRR) < 35 ns• Soft Recovery Characteristics: Softness Factor (tb/ta) 1• Highly Stable Over Temperature• Pb−Free Package is AvailableBenefits• Significantly Reduced EMI• Eliminates the Need of Snubber Circuits• Low Switching and Heat Losses• Improved Thermal ManagementApplications• Engine and Convenience Control Systems• Motor Controls• Battery Chargers and Switching Power SuppliesMechanical Characteristics• Small Compact Surface Mount Package with J–Bend Leads• Rectangular Package for Automated Handling• Weight: 217 mg (Approximately)• Finish: All External Surfaces Corrosion Resistant and TerminalLeads are Readily Solderable• Lead and Mounting Surface Temperatur...
dzsc/18/8693/18869347.jpg变容二极管(Varactor Diodes)又称"可变电抗二极管"。是一种利用PN结电容(势垒电容)与其反向偏置电压Vr的依赖关系及原理制成的二极管。所用材料多为硅或砷化镓单晶,并采用外延工艺技术。反偏电压愈大,则结电容愈小。变容二极管具有与衬底材料电阻率有关的串联电阻。主要参量是:零偏结电容、零偏压优值、反向击穿电压、中心反向偏压、标称电容、电容变化范围(以皮法为单位)以及截止频率等,对于不同用途,应选用不同C和Vr特性的变容二极管,如有专用于谐振电路调谐的电调变容二极管、适用于参放的参放变容二极管以及用于固体功率源中倍频、移相的功率阶跃变容二极管等。 用于自动频率控制(AFC)和调谐用的小功率二极管称变容二极管。日本厂商方面也有其它许多叫法。通过施加反向电压, 使其PN结的静电容量发生变化。因此,被使用于自动频率控制、扫描振荡、调频和调谐等用途。通常,虽然是采用硅的扩散型二极管,但是也可采用合金扩散型、外延结合型、双重扩散型等特殊制作的二极管,因为这些二极管对于电压而言,其静电容量的变化率特别大。结电容随反向电压VR变化,取代可变电容,用作调谐回路、振荡电路、锁相环路,常用于...