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Small square black TQFP44 chip with silver pins

YINGHUA

YINGHUA PIC18F55K42-E PT TQFP44 semiconductor

SKU CH-7NAE-NDHBW

A PIC18 microcontroller in a 44-pin TQFP package for embedded control applications

  • Product typeICs Semicoductors
  • PIC18F55K42-E microcontroller ready for new designs
  • 44-pin TQFP package suits compact PCB layouts
  • 18F core architecture handles embedded control tasks
  • 55 KB flash memory stores application firmware
  • First listed by manufacturer in June 2026

PIC18F55K42-E PT TQFP44 Microcontroller

The PIC18F55K42-E PT is an 8-bit microcontroller in a 44-pin TQFP package. It suits engineers developing embedded control applications that need integrated peripherals and on-chip memory. The device is supplied new and ready for production or prototype assembly.

44-pin TQFP surface-mount package

The thin quad flat pack has 44 leads on a fine pitch for dense PCB layouts. Surface-mount assembly requires reflow soldering and standard pick-and-place handling. The lead configuration supports automated manufacturing and consistent electrical contact.

Low-power operation for embedded systems

The microcontroller is designed for efficient power consumption in typical control tasks. Thermal output remains modest under normal clock rates, allowing passive cooling in most enclosures. Power draw scales with active peripherals and clock frequency.

How it compares

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

Price $21.99
Cheaper than about 68% of the 1,027 comparable items (median $34.99).

Specifications

Product
Product typeICs Semicoductors

Questions about this item

What does the PT TQFP44 package mean for board mounting?

The PT TQFP44 package has 44 leads on a thin quad flat pack body that solders directly to a matching PCB footprint.

What hole pattern or land layout does the 44-lead package require?

A 44-lead TQFP footprint with the correct lead pitch and pad dimensions is needed; the leads are surface-mount and do not use through-holes.

How is the PIC18F55K42-E programmed after soldering, and what step is often missed?

The device is programmed in-circuit via its ICSP pins; the common mistake is leaving the programming header unconnected or miswiring the VPP/MCLR line.

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