The NTE283 is a silicon NPN transistor in a TO3 type package designed for high–voltage, high– speed, power switching in inductive circuits where fall time is critical. Typical applications include switching regulators, PWM inverters, solenoid and relay drivers.
Full spec sheet:
https://www.nteinc.com/specs/200to299/pdf/nte283.pdf
NTE283 NPN 600V 10A Horizontal Output, Switch TO-3
SKU: NTE283
$12.82Price