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2N3003 Information
2N3003 by Texas Instruments is a Silicon Controlled Rectifier.
Silicon Controlled Rectifiers are under the broader part category of Trigger Devices.
Trigger devices initiate or control actions in electronic circuits by producing output signals when specific input conditions are met. They are commonly used in timing circuits and pulse generators. Read more about Trigger Devices on our Trigger Devices part category page.
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
This table gives cross-reference parts and alternative options found for 2N3003. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 2N3003, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.