Integrated Circuits

The MOC3021 is an optically isolated triac driver IC designed for controlling TRIACs and AC loads while providing complete electrical isolation between low-voltage control circuits and high-voltage AC power circuits. It integrates an infrared LED and a light-activated bilateral switch (phototriac) within a compact package, enabling safe and reliable switching...

The EL817C is a high-performance optocoupler (opto-isolator) that provides electrical isolation between input and output circuits using an infrared LED and a phototransistor housed within a single DIP-4 package. It enables signal transmission while preventing direct electrical connection, protecting sensitive electronic circuits from voltage spikes, noise, and ground loops. The...

The LM3914 is a versatile analog display driver IC designed to drive up to 10 LEDs, LCDs, or vacuum fluorescent displays in either dot mode or bar graph mode. It converts an analog input voltage into a proportional visual display, making it ideal for battery level indicators, voltmeters, VU meters,...

The LM386 is a low-voltage audio power amplifier IC specifically designed for battery-operated and portable audio applications. It requires very few external components and provides a simple solution for amplifying low-level audio signals from microphones, audio players, radios, sensors, and microcontrollers. The LM386 features an internally set voltage gain of...

The 74LS47 is a BCD (Binary Coded Decimal) to 7-Segment Decoder/Driver IC designed to drive common-anode 7-segment LED displays. It converts 4-bit BCD input signals into the appropriate outputs required to display decimal digits from 0 to 9 on a 7-segment display. Built using Low-Power Schottky TTL technology, the 74LS47...

The ATmega328P-PU is a high-performance 8-bit AVR microcontroller from Microchip (formerly Atmel), widely used in embedded systems, automation projects, robotics, and custom electronic designs. This version is supplied without an Arduino bootloader, making it ideal for users who wish to program the microcontroller directly using an ISP programmer or burn...

The LM741 is a general-purpose operational amplifier (Op-Amp) IC widely used in analog electronic circuits for signal amplification, filtering, voltage comparison, integration, differentiation, and mathematical operations. Known for its reliability, simplicity, and versatility, the LM741 has become one of the most popular op-amp ICs used in educational, industrial, and hobby...

The ATmega328P-PU is a high-performance, low-power 8-bit AVR RISC microcontroller from Microchip Technology. Housed in a PDIP-28 (Dual In-Line Package), it is one of the most widely used microcontrollers in embedded electronics and serves as the core controller in the popular Arduino Uno development board. The device combines 32KB Flash...

The L293D is a popular Dual H-Bridge Motor Driver IC designed to control the direction and speed of DC motors and stepper motors using low-current control signals from microcontrollers. Featuring two independent H-Bridge driver circuits, the L293D can drive up to two DC motors simultaneously or one bipolar stepper motor....

The LM7824 is a fixed positive voltage regulator IC designed to provide a stable and regulated 24V DC output from a higher DC input voltage source. As a member of the popular 78xx series of linear voltage regulators, the LM7824 offers dependable voltage regulation, simple circuit implementation, and excellent reliability...

The PC817 is a widely used transistor output optocoupler (optoisolator) designed to provide electrical isolation between input and output circuits while allowing signal transmission through infrared light. The device consists of an infrared LED optically coupled to a phototransistor, enabling safe signal transfer without direct electrical connection. Housed in a...

The NE555 Timer IC is one of the most widely used and versatile integrated circuits in electronics, designed for generating precise time delays, oscillations, and pulse generation. Introduced as a general-purpose timer, the NE555 can operate in astable, monostable, and bistable modes, making it suitable for a wide range of...