MPN:LM391N

The LM391N is an LED dot/bar display driver IC from National Semiconductor, designed to drive up to 10 LEDs directly. It includes an internal precision voltage reference and allows selection between dot mode and bar mode, making it suitable for analog level display applications such as voltmeters, battery indicators, and audio level meters.

MPN:LM3914N-1

The LM3914N-1 is an LED dot/bar display driver IC from National Semiconductor, designed to drive up to 10 LEDs in either dot or bar mode. It features a built-in precision voltage reference and adjustable display range, making it ideal for analog level indicators such as voltmeters, VU meters, battery monitors, and audio level displays.

The LNK6666E is an off-line switcher IC with an integrated high-voltage power MOSFET, designed for compact and energy-efficient AC-DC power supply applications. It is part of the LinkSwitch series from Power Integrations, offering a highly integrated solution that reduces component count, improves reliability, and simplifies SMPS design.

The IC provides excellent efficiency at light and no-load conditions, making it ideal for chargers, adapters, and standby power supplies that must meet strict energy-saving standards.

MPN:74HC125BI

The M74HC125BI is a high-speed CMOS quad bus buffer with 3-state outputs, designed for use in data buses, signal isolation, and line driving applications. Each buffer can be independently enabled, allowing flexible control of multiple digital signals on a shared bus.

With low power consumption, high noise immunity, and TTL-compatible inputs, this IC is widely used in microcontroller interfacing, digital systems, and communication circuits.

MPN:MAX232N
The MAX232N is a dual RS-232 line driver and receiver IC from Texas Instruments, designed to convert TTL/CMOS logic levels to RS-232 voltage levels and vice versa. It features an on-chip charge pump, allowing the device to generate the required ±10 V RS-232 signals from a single +5 V supply, eliminating the need for dual power rails.

MPN:MAX485E

The MAX485E is a low-power RS-485/RS-422 transceiver IC from HTC, designed for reliable half-duplex serial communication over long distances. It features a single 5 V supply operation, low power consumption, and high noise immunity, making it ideal for industrial and embedded communication systems.