Product Overview
Fairchild HL41109-QB 16-Pin Ceramic DIP Vintage IC Pull
Condition
Used equipment pull. Evaluation: Visual inspection only. Function testing not performed. White ceramic dual in-line package with soldered gold-tone lid and intact gold-plated through-hole leads. Markings legible: HL41109 QB, script F logo, 176-242.
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Product Overview
Fairchild HL41109-QB integrated circuit in a 16-lead ceramic dual in-line package (CDIP-16). Built with a white ceramic substrate, brazed gold-plated through-hole leads, and a soldered gold-tone metal cap. Marked with secondary designation 176-242 alongside the primary HL41109 QB marking and Fairchild script emblem.
Key Features
- 16-pin ceramic dual in-line package (CDIP-16)
- White ceramic body construction with soldered gold-tone metal lid
- Standard 0.1-inch (2.54 mm) lead pitch and 0.3-inch (7.62 mm) row spacing
- Gold-plated through-hole leads
- Pin 1 orientation notch and index dot molded into ceramic substrate
Applications
- Restoration and maintenance of vintage computing, industrial, or avionics systems using Fairchild ceramic ICs
- Bench replacement for vintage 16-pin DIP logic or linear circuits requiring exact period hardware
- Component collecting and display of classic gold-cap ceramic semiconductor packaging
Frequently Asked Questions
What physical package standard does this IC use?
It uses a standard 16-pin ceramic DIP format with 0.1-inch pin pitch and 0.3-inch row spacing, compatible with standard 16-pin DIP sockets and breadboards.
What do the markings on the lid indicate?
The lid is stamped with the primary designation HL41109 QB, the Fairchild script logo, and the customer or secondary part tracking code 176-242.
What condition is this pull in, and has it been tested?
This is a used equipment pull in clean cosmetic condition with straight pins and intact leads. Internal function testing has not been performed.
Gold lids and white ceramic tell the story of an era when silicon packaging was built to outlast the equipment it powered.
