The IRFZ44 is a popular N-channel power MOSFET designed for high current applications. Here is a detailed datasheet of the IRFZ44 MOSFET: General Information: Pinout Configuration: The following shows the pinout configuration for the MOSFET IRFZ44: Electrical Characteristics: Thermal Characteristics: Features: Applications: The MOSFET IRFZ44 is commonly used for the following applications: Inverter circuit using […]
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BC547 Transistor Datasheet [45V, 100mA NPN Transistor]
BC547 is a 100 V, 200 mA, NPN transistors, which is a general purpose small signal transistor. The following paragraphs discuses the datasheet of BC547 transistor for a quick reference. Pinout Configuration The following diagrams shows the pinout configuration and the symbol of the transistor BC547: Absolute Maximum Ratings: Electrical Characteristics: Equivalents 2N2222: Another typical […]
LED Light Circuit for Street Vendors, Hawkers, Shopkeepers
In this article I have explained how to build a very simple, low cost LED lamp with charger. This unit can be used by any street seller, vendor, hawker, to illuminate his shop during night. Thus, the light will ensure that the seller can continue to do business even after dusk to enhance his profits. […]
Laptop Power Bank Circuit
In this post I have explained how to build a simple laptop power bank circuit which can be used for charging a laptop battery during travelling or during outdoor trips. This device can be specifically useful on situations or places where an AC mains outlet is unavailable or difficult to find. Why Laptops Need a […]
7 Automatic Street Light Circuits [Using Relays and Solar Panel]
In this article I will elucidate 7 useful yet simple automatic street light circuits using 220 V relays and solar panel. All the presented circuits can be used for automatically switching a lamp ON during night time and OFF during day time. What is an Automatic Street Light System An automatic street light system is […]
Bicycle Speedometer Circuit
In this article I have explained how to build a simple bicycle speedometer circuit which can be used to measure the speed of the bicycle. Video Demonstration What is a Bicycle Speedometer, How it Works Bicycle speedometer is a device which checks the rotation per minute of the bicycle wheel and displays the results over […]