2N3440 transistors equivalent, silicon npn transistors.
These devices are particularly suited as drivers in high-voltage low current inverters, switching and series regulators.
The 2N3439 and 2N3440 are silicon epitaxial planar NPN transistors in jedec TO-39 metal case designed for use in consumer and industrial line-operated applications. These devices are particularly suited as drivers in high-voltage low current inverter.
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