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  • Paralleling TVS Diodes for Higher Power Capability
    Paralleling TVS Diodes for Higher Power Capability. Silicon Avalanche Transient Voltage Suppressors (TVS's) offer a great deal of flexibility in circuit protection. Fortunately, these devices are available in voltages ranging from 5 through 550 volts and in power ratings up to 230 kw. In addition
  • Laser Diode Principles (.pdf)
    A number of questions and misconceptions surround the laser diode. Are all laser diode specifications identical? Do single-mode diodes always operate as single-mode? What effect does temperature change have on wavelength and optical power? The following explores these and other common diode
  • How to Choose Power FETs for ORing MOSFET Controllers
    Using ORing controllers and power FETs in place of ORing power diodes can minimize power loss in high-current power distribution systems. This article discusses key selection steps for choosing power FETs, and provides design tips to ensure engineers meet their target specifications when developing
  • AG312: Design with PIN Diodes
    The PIN diode finds wide usage in RF, UHF and microwave circuits. It is fundamentally a device whose impedance, at these frequencies, is controlled by DC excitation. A unique feature of the PIN diode is its ability to control large amounts of RF power with much lower levels of DC. The PIN diode
  • Workmanship Standards for High Power InP-based Diode Lasers
    The following note is to help partners and customers to understand the importance and the purpose of the workmanship standards for high power laser diodes of Indium Phosphide (InP) based material. It can be used to facilitate a successful operation with visual inspection of a semiconductor laser
  • A Roadmap for SiC Power Modules and Diodes
    The continual drive for greater efficiency and power density in power conversion systems is leading to the expanded use of silicon carbide (SiC). This wide-bandgap semiconductor has a dielectric breakdown capability 10 times that of silicon with excellent thermal conductivity.
  • Frequently Asked Questions about Laser Diode Products
    All of Power Technology's systems are linearly polarized. Index guided diodes typically have a polarization ratio between 50:1 and 100:1. For wide stripe diodes, the polarization ratio is typically 30:1 or greater. Our diode-pumped Nd:YAG systems have a ratio of 100:1.
  • Technical Note - High Density Laser Diode Arrays
    Northrop Grumman Cutting Edge Optronics has developed a new laser diode array package with minimal bar-to-bar spacing. These High Density Stack (HDS) packages allow for a power density increase on the order of ~ 2.5x when compared to industry-standard arrays. The HDS laser package enables power

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