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This Plessey SL354b IC is a high-quality Quad matched NPN transistor array that is a very early example of a semiconductor integrated circuit. Designed for military, commercial and industrial use. With a 14-pin gold flat pack design. A rare example of very early semiconductor research and so a piece of history. The price is for 1 piece but as you can see there is a multi buy discount. The last photo shows two unknown gold flat pack chips (I can’t find anything about them).I’ll include two of these for each sl354 ordered. Postage cost remains at the flat price even for multiple pieces. If you have any questions please don’t hesitate to ask and I will try and answer.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.