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CMPZ4680 TR PBFREE is listed in the Single Zener Diodes range at ChipApex. The manufacturer field lists Central Semiconductor Corp. Its product description is 2.2V 350MW SMD DIODE-ZENER SINGL. Review the specifications below when checking this part for your BOM.
The CMPZ4680 TR PBFREE is a silicon unidirectional Zener diode manufactured by Central Semiconductor Corp. It features a nominal Zener voltage of 2.2V with a tolerance of 5% and a maximum power dissipation of 0.35W. The component is housed in a three-pin SOT-23 surface-mount package (R-PDSO-G3). It supports an operating temperature up to 150°C and contains lead, indicating non-compliance with RoHS standards.
Verify compliance status carefully as this specific part number contains lead and is not RoHS compliant. Confirm the exact suffix requirements for your assembly process, as packaging variations such as reel or bulk may exist within the broader product family. Ensure the manufacturer's current datasheet is consulted for any recent material changes or environmental declarations before finalizing procurement orders.
Select this component when a precise 2.2V reference is required in a space-constrained design utilizing the SOT-23 footprint. Consider the 0.35W power rating limits during thermal analysis. Note that the leaded composition restricts usage in strictly RoHS-mandated environments; alternative lead-free variants within the same series should be evaluated if regulatory constraints apply.
This device belongs to the CMPZ4 series of low-level Zener diodes from Central Semiconductor. These components are characterized by their small physical size and suitability for general-purpose electronic applications requiring reliable voltage clamping or referencing in consumer and industrial electronics.
Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires consulting official manufacturer substitution guides or equivalent electrical specification databases.
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