SSQ 500/1K parts—Bel Fuse parts with a 500V or 1KV voltage rating—are electrical components typically found in power supplies, computer systems, audio applications and other electronic devices. These parts offer superior performance and reliability, enabling manufacturers to keep their product costs low. They are used mainly in panel-mount electrical outlet boxes and other small enclosures, but they can also be used in larger applications when space is limited. They are UL-listed, RoHS compliant and rated for temperatures ranging from -20° to 85°C. Popular parts include screws, studs, insulated barrier terminations and other terminations, junction blocks and other connectors, and various fuse holders.