Download the 2N5210 datasheet PDF.
This datasheet also includes the 2N5209 variant, as both parts are published together in a single manufacturer document.
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Amplifier Transistors
NPN Silicon 2N5209 2N5210 COLLECTOR 3
2 BASE 1 EMITTER MAXIMUM RATINGS Rating Symbol Value Collector – Emitter Voltage
Collector – Base.