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Small square black LQFP44 chip with 44 pins

YINGHUA

YINGHUA PIC18F4423-E PT LQFP44 semiconductor

SKU CH-ZH6X-MBR44

An 18-pin microcontroller in a 44-lead LQFP package for embedded control applications

  • Product typeICs Semicoductors
  • PIC18F4423-E PT microcontroller in LQFP44 package
  • New condition, ready for production use
  • 44-pin LQFP footprint suits compact PCB layouts
  • 18-series architecture with 4423 device features
  • First listed by manufacturer in June 2026

Microcontroller for embedded control

The PIC18F4423-E PT LQFP44 is an 8-bit microcontroller intended for engineers building custom embedded systems. Its 44-pin low-profile quad flat package suits compact board layouts. Developers writing firmware in C or assembly will find the core straightforward to integrate. Hobbyists needing a simple programmable logic device can also use this part.

Low-power operation in typical circuits

The device draws modest current during normal execution, keeping thermal load minimal on small boards. No active cooling is required for standard workloads. Power consumption scales with clock frequency and peripheral usage, allowing designers to optimise for battery life. The package dissipates heat adequately through PCB copper pours.

Standard development toolchain compatibility

The part works with common PIC programmers and debuggers, so existing tool chains remain valid. Compiler support covers the instruction set without proprietary extensions. No bundled software or accessories are included in the supplier packaging. Engineers must source their own programming hardware and IDE licences.

How it compares

Measured against everything we stock in Encoders & Semiconductor Parts, at today’s prices. Recalculated every night.

Price $31.99
Typical for this category: the median of 1,027 items is $34.99.

Specifications

Product
Product typeICs Semicoductors

Questions about this item

How do I solder the 44-pin LQFP package to the PCB without bridging the fine-pitch leads?

Apply flux, align pin 1 with the board marker, tack opposite corners first, then drag-solder each side with a fine tip; inspect joints under magnification for bridges.

Which on-chip block wears out first during repeated field firmware updates?

The program flash memory is rated for a finite number of erase-write cycles; plan a device replacement when update frequency approaches the rated endurance.

What thermal limit appears first when the MCU runs continuous heavy code at high clock speed?

The junction temperature ceiling is reached before the package can dissipate heat through the 44-pin LQFP footprint, so sustained loads need board-level thermal relief.

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