2N5089 Transistor Overview The 2N5089 is a small signal NPN transistor in a TO-92 through-hole package. It is designed for low power applications with a maximum collector current of 50mA and a power dissipation of 500mW. The 2N5089 has a transition frequency of 300MHz, making it suitable for high frequency […]
What is a 2.4 GHz Wireless Microphone? A 2.4 GHz wireless microphone operates on the 2.4 GHz frequency band, which is also used by other devices such as Wi-Fi routers, Bluetooth devices, and cordless phones. This frequency band is popular because it’s unlicensed and freely available for use in most […]
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Minefield #1: Incomplete or Inaccurate PCB Specifications One of the most common minefields when getting PCB Quotes online is providing incomplete or inaccurate specifications. PCB manufacturers rely on detailed and accurate specs to provide an accurate quote. Some key specifications to include are: Specification Description Board size The dimensions of […]
Introduction to IRF840 MOSFET The IRF840 is a popular N-Channel MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) widely used in various electronic applications. It is known for its high power handling capability, fast switching speed, and low on-resistance. In this comprehensive article, we will dive deep into the IRF840 datasheet, exploring its key […]
Introduction to OpenWrt x86 OpenWrt is a popular open-source operating system based on Linux, designed for embedded devices like routers and network appliances. It provides a fully writable filesystem with package management, enabling users to customize their devices through the use of packages. OpenWrt x86 refers to the version of […]
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What is an Inductor? An inductor is a passive electronic component that stores energy in the form of a magnetic field. It consists of a coil of wire, usually wound around a core made of ferromagnetic material, such as iron or ferrite. When an electric current flows through the coil, […]
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Introduction to MOC3021 The MOC3021 is a 6-pin DIP (Dual Inline Package) optocoupler that consists of a gallium arsenide infrared emitting diode (IRED) and a light-activated silicon bilateral switch. The input LED is optically coupled to the output phototransistor, allowing for electrical isolation between the input and output circuits. Key […]
2N3771 Transistor Pinout The 2N3771 transistor has a TO-3 metal package with 2 leads: Pin Symbol Description 1 B Base 2 E Emitter Case C Collector The case/tab of the TO-3 package is connected internally to the collector. Proper heatsinking of the case is essential for managing the thermal dissipation […]
How Smoke Detectors Work Smoke detectors use various methods to sense the presence of smoke particles in the air. The two main types are: Ionization smoke detectors Photoelectric smoke detectors Ionization Smoke Detectors Ionization smoke detectors contain a small amount of radioactive material (usually Americium-241) that ionizes the air inside […]
What is PCB Depaneling? PCB depaneling is the process of separating individual printed Circuit Boards (PCBs) from a larger panel they are manufactured on. PCBs are typically produced in arrays or panels containing multiple identical boards to improve manufacturing efficiency and reduce costs. After the PCBs are fully assembled, they […]