AH0143

Vintage National Semiconductor AH0143CD analog switch IC in a ceramic DIP package with a gold lid. The AH0143CD is part of National Semiconductor’s AH01xx series of analog switch devices commonly used in legacy instrumentation, audio equipment, and other analog signal routing applications. The top marking includes “104,” which is a manufacturing or lot code rather than an electrical value. This listing is for one genuine AH0143CD integrated circuit, ideal for vintage electronics repair, restoration, or parts stock where this exact obsolete component is required. The component is sold as a pulled, working device and will be packaged in anti-static protection for shipment.