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Small square black integrated circuit with 44 pins

YINGHUA

YINGHUA OS8104AAQ MARKING LQFP44 semiconductor

SKU CH-CTR2-A4Q3G

An LQFP44 packaged semiconductor IC for electronic circuit integration

  • Product typeICs Semicoductors
  • LQFP44 package enables dense board integration
  • OS8104AAQ marking identifies the exact IC variant
  • IC semiconductor type suits logic and control functions
  • New condition guarantees factory specifications
  • First listed by manufacturer 21 February 2025

Component Identity

The YINGHUA OS8104AAQ is a new integrated circuit supplied in a 44-pin LQFP package. It serves engineers and procurement teams sourcing a specific IC for board-level assembly or repair work. The part carries the 8104 marking for identification during placement and inspection.

Replacement Context

This item replaces an identical OS8104AAQ marking when the original component has failed or reached end of life. The jump is worth it when the schematic calls for this exact part number and package, ensuring pin-compatible operation without firmware or layout changes. It is not for designs that require a different pin count, voltage domain or function.

Build Integration

The LQFP44 footprint demands a matching PCB land pattern and reflow profile suited to the package dimensions. It fits automated pick-and-place lines and standard SMT inspection. The component frees the designer from qualifying alternate sources when the bill of materials locks to this manufacturer marking.

How it compares

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

Price $26.99
Cheaper than about 60% of the 1,027 comparable items (median $34.99).

Specifications

Product
Product typeICs Semicoductors

Questions about this item

What PCB footprint does the LQFP44 package require?

The LQFP44 package uses a standard 44-lead quad flat pack footprint.

How is the OS8104AAQ device soldered to the board?

The leads are surface-mounted to the PCB pads; the step often missed is applying the correct reflow profile for the 44-lead package.

When should the OS8104AAQ be replaced?

Replace the device if it fails electrical testing or shows physical damage during board-level diagnostics.

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