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The UPC4558 / NJM4558D is a dual operational amplifier known for its low noise and high gain characteristics, suitable for audio and signal processing applications. With built-in phase compensation and short-circuit protection, it ensures reliable performance in various electronic circuits.
The NE555 Timer IC DIP is a versatile timing device capable of operating from 4.5V to 15V, with an output current of up to 200mA. It is ideal for various applications requiring precise timing and signal generation.
The 9011 TO-92 is a robust NPN transistor designed for low-power applications with a maximum collector-emitter voltage of 30V. With a maximum collector current rating of up to 30mA and a power dissipation capability of approximately 200mW, it is ideal for switching and amplification tasks in various electronic devices.
The 2N2907 TO-92 is a robust PNP transistor designed for low-power applications with a maximum collector-emitter voltage of 40V. With a maximum collector current rating of up to 600mA and a power dissipation capability of approximately 400mW, it is ideal for switching and amplification tasks in various electronic devices.
The 2N2222 TO-92 is a robust NPN transistor designed for low-power applications with a maximum collector-emitter voltage of 40V. With a maximum collector current rating of up to 600mA and a power dissipation capability of approximately 1.5W, it is ideal for switching and amplification tasks in various electronic devices.
The 2N5550 TO-92 is a robust NPN transistor designed for high-voltage applications with a maximum collector-emitter voltage of 140V. With a maximum collector current rating of up to 600mA and a power dissipation capability of approximately 625mW, it is ideal for switching and amplification tasks in various electronic devices.
The 2N5551 TO-92 is a robust NPN transistor designed for high-voltage applications with a maximum collector-emitter voltage of 160V. With a maximum collector current rating of up to 600mA and a power dissipation capability of approximately 625mW, it is ideal for switching and amplification tasks in various electronic devices.
The 2N5401 TO-92 is a robust PNP transistor designed for high-voltage applications with a maximum collector-emitter voltage of 150V. With a maximum collector current rating of up to 600mA and a power dissipation capability of approximately 625mW, it is ideal for switching and amplification tasks in various electronic devices.
The LM741 DIP is a versatile operational amplifier capable of operating over a wide voltage range with high gain and low bias current. It is ideal for various applications, including signal conditioning and active filtering.
The LM318 DIP is a high-speed operational amplifier capable of operating over a wide voltage range with a slew rate of 70 V/?s and a gain of up to 200 V/mV. It is ideal for various applications, including signal conditioning and active filtering.
The LM317 TO-220 is an adjustable voltage regulator capable of supplying up to 1.5A with an output voltage range of 1.2V to 37V. It features built-in thermal and short-circuit protection, making it suitable for various applications in power management.
High-quality 470nF (0.47µF) monolithic ceramic capacitor, 50V rated, marking code 474. Non-polarized, compact, and ideal for decoupling, bypassing, and filtering applications in electronic circuits.
The 0.8mm 100g Soldering Lead Wire Roll provides a reliable and high-quality soldering solution for electronics assembly, repairs, and DIY projects. With excellent flow properties and minimal fumes, it ensures precise, durable solder joints for both small and large tasks.
The 2SC5200 TO247 is a high-power NPN transistor offering low saturation voltage, high gain, and thermal stability, making it perfect for audio amplifiers, motor control, and power supply applications.
The ESP32-WROOM-32 is a powerful, low-cost Wi-Fi + Bluetooth module designed for IoT, automation, embedded systems, and smart device development. Powered by the dual-core Tensilica LX6 microcontroller, it delivers exceptional performance, ultra-low power consumption, and seamless wireless connectivity—ideal for hobbyists, makers, and industrial projects.
The RS232 Serial to TTL Converter Module MAX3232 allows seamless conversion between RS232 and TTL signals, enabling communication between serial devices and microcontrollers. Ideal for embedded systems, IoT, and data communication projects.
The LI-ION 18650 4S 30A BMS Battery Protection Board provides comprehensive protection for 4-cell lithium-ion battery packs, supporting 14.4V, 14.8V, and 16.8V configurations. Ideal for high-power applications like electric vehicles, drones, and power tools.
The MAX9812 Microphone Amplifier Module is a high-quality audio amplifier with automatic gain control, perfect for sound detection, voice recognition, and audio processing applications. It features a built-in microphone and offers adjustable gain for precise sound capture.
The IIC/12C/TWI/SPI Serial Interface Board Module Port for 1602 LCD Display PCF8574T allows you to control a 1602 LCD with minimal wiring using the I2C interface, making it ideal for Arduino, Raspberry Pi, and embedded systems projects.
The 6.8µF 400V Capacitor is a high-voltage, self-healing capacitor designed for use in power filtering, motor control, and signal coupling applications. It provides excellent electrical stability, low dissipation, and long-term durability.
2N2907 TO-92 PNP Switching Transistor 
