UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Replacement of OC171 in an Eddystone EC10

paulsherwin · 11th Dec 2017, 7:41 pm

Agreed. The OC171 is essentially the same transistor as the AF11x, and the same replacement guidelines apply.

There is no one hfe value for a transistor, it all depends on the operating conditions.

11th Dec 2017, 7:41 pm	#3
paulsherwin Moderator Join Date: Jun 2003 Location: Oxford, UK Posts: 27,947	Re: Replacement of OC171 in an Eddystone EC10 Agreed. The OC171 is essentially the same transistor as the AF11x, and the same replacement guidelines apply. There is no one hfe value for a transistor, it all depends on the operating conditions.