2SD1851 transistors equivalent, pnp/npn epitaxial planar silicon transistors.
* AF amplifier, solenoid drivers, LED drivers.
* Darlington connection.
* High DC current gain.
* Very small-sized package permitting sets to be made smal.
Features
* AF amplifier, solenoid drivers, LED drivers.
* Darlington connection.
* High DC current gain.
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