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The STA335A is a power transistor array manufactured by Sanken Electric USA Inc. It features three PNP bipolar junction transistors housed in an 8-SIP through-hole package. The device supports a maximum collector current of 3A and a collector-emitter breakdown voltage of 50V. Key electrical specifications include a DC current gain (hfe) of at least 100 when tested at 1A and 4V, with a maximum collector cutoff current of 100µA. The saturation voltage is specified as a maximum of 1V under conditions of 40mA base current and 2A collector current. The component has a maximum power dissipation rating of 3W for the array and 15W for individual configurations, operating within a junction temperature range up to 150°C.
Verify the specific manufacturer part number against official Sanken Electric documentation to ensure authenticity. Confirm that the 8-SIP package dimensions match your PCB footprint requirements. Check the component status, as availability may vary due to production lifecycle changes. Ensure that thermal management solutions are adequate for the specified power dissipation limits during operation.
Select this component when a multi-transistor PNP configuration is required for space-constrained designs. Consider the 50V voltage rating and 3A current capacity to ensure compatibility with load requirements. Evaluate the through-hole mounting style against assembly process capabilities. Compare the saturation voltage characteristics against alternative arrays to meet efficiency targets in switching applications.
The STA335A belongs to the family of power transistor arrays produced by Sanken Electric. These components consolidate multiple discrete transistors into a single package to reduce board space and simplify assembly. The 8-SIP format provides a standardized interface for industrial and consumer electronics manufacturing processes requiring robust bipolar transistor solutions.
Public confirmed substitute part numbers are not available in the provided documentation.