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UHD503R/883 is listed in the Inverter Gates range at ChipApex. The manufacturer field lists Rochester Electronics, LLC. Its product description is IC DUAL. Review the specifications below when checking this part for your BOM.
The UHD503R/883 is a quad OR power and relay driver manufactured by Rochester Electronics, LLC. It is dual marked as part number 5962-8855101CA. The device operates with a maximum power source voltage of 7.0 volts. It utilizes a D-1 case outline conforming to the MIL-M-38510 standard. The component features a dual in-line enclosure configuration. This integrated circuit is designed for driving multiple loads or relays using an OR logic function.
Verify the specific revision level and marking details against the official datasheet for part number 5962-8855101CA. Confirm that the D-1 package dimensions match your board layout requirements. Ensure the 7.0V maximum voltage rating aligns with your system's power supply specifications before integration.
Select this component when a quad OR driver is required for low-voltage relay or power switching tasks. The MIL-M-38510 compliance indicates suitability for rugged environments. Consider the physical size of the D-1 package during PCB design. Verify thermal dissipation needs if driving high-current loads near the voltage limit.
Rochester Electronics specializes in providing lifecycle support for obsolete and hard-to-find semiconductors. The UHD503R/883 represents a continuation of older military-grade designs, often sourced from original manufacturers like Texas Instruments. These parts are critical for maintaining legacy defense and industrial equipment where redesigning is not feasible.
Direct replacement requires matching the 5962-8855101CA specification. Verify pin compatibility and electrical characteristics with the original manufacturer's datasheet. Ensure the substitute maintains the same MIL-M-38510 D-1 package form factor.
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