Electronic Components

The TDA2003A / UTC2003 is a high-performance Class-AB audio power amplifier IC designed for low-frequency audio amplification in consumer electronics and automotive applications. Capable of delivering up to 10W of continuous output power with a single supply and up to 20W in bridge configuration, it provides high-quality sound with low...

The BT66/UM66 Musical IC is a compact CMOS melody generator integrated circuit designed to generate pre-programmed musical tunes for electronic devices. It contains an internal ROM that stores a fixed melody consisting of 64 musical notes, eliminating the need for external programming or memory. When powered, the IC automatically begins...

The 74LS194 is a high-speed 4-bit bi-directional universal shift register IC designed for serial and parallel data transfer applications. It can shift data left, right, load parallel data, or hold the current data, making it one of the most versatile shift register ICs in the 74LS logic family. The IC...

The 74HC595 is a high-speed 8-bit Serial-in, Parallel-out (SIPO) Shift Register IC designed to expand the number of digital output pins available on a microcontroller. It converts serial data received on a single data line into eight parallel outputs, allowing multiple LEDs, displays, relays, or other digital devices to be...

The KY-012 Active Buzzer Module is a compact audio output module designed to generate an audible alert with a simple digital control signal. Unlike a passive buzzer, the KY-012 features a built-in oscillator, allowing it to produce a continuous tone whenever power or a HIGH logic signal is applied. No...

The PCB Mounted Passive Buzzer Module is a compact audio output module designed to generate programmable tones and sound effects using a microcontroller. Unlike an active buzzer, a passive buzzer does not contain an internal oscillator and requires a square wave or PWM signal to produce sound. This allows users...

The 74HC164 is a high-speed CMOS 8-bit Serial-In Parallel-Out (SIPO) Shift Register IC designed for expanding digital output capabilities in microcontroller and digital logic applications. It accepts serial data at its input and converts it into eight parallel outputs, allowing multiple outputs to be controlled using only a few microcontroller...

The 4N35 is a widely used optocoupler (opto-isolator) that provides electrical isolation between input and output circuits through an infrared LED and a phototransistor. It enables safe signal transmission while preventing direct electrical connection, protecting sensitive electronics from high voltages, electrical noise, and ground loops. The device consists of a...

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...