PTB20189 - UHF TV Linear Power Transistor Cellular Radio RF Power Transistor
The 20189 is an NPN, common emitter RF power transistor intended for 25 Vdc class A or AB operation from 900 to 960 MHz.
Rated at 1 watt minimum output power, it may be used for both CW and PEP applications.
Ion implantation, nitride surface passivation and gold metallization are used to ensure exce