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The Powerex Inc. 2N1804 is a Silicon Controlled Rectifier (SCR) designed for phase control applications. It features a high dv/dt rating of 100 V/usec and supports a surge current of 1600 Amperes. The device exhibits low forward on-state voltage characteristics. It is housed in a package conforming to the TO-208AD outline, also known as TO-83, with two pins.
Verify the manufacturer origin carefully, as the 2N1804 part number is documented by multiple vendors including Microsemi Corporation and New Jersey Semi-Conductor Products, Inc. Confirm that the specific unit received matches the required TO-208AD physical outline and electrical specifications before integration into the design.
Select this component when a robust SCR with high surge current capacity is required. Ensure the application environment accommodates the specified operating temperature range. Verify compatibility with the TO-208AD footprint during PCB layout and mechanical assembly planning.
The 2N1804 belongs to the family of Silicon Controlled Rectifiers manufactured by various semiconductor companies. It is frequently cross-referenced with similar thyristor devices like the 2N1800 series. The part serves as a standard solution for high-power switching tasks requiring reliable gate triggering.
Public confirmed substitute part numbers include 2N1800 variants from Microsemi and Infineon. Cross-reference datasheets to ensure equivalent electrical ratings and package dimensions before substitution.