FBN-1198 is a transistor from the vintage RCA power transistor (NOS)

FBN-1198 is a transistor from the vintage RCA power transistor lineup. While exact, detailed specs are difficult to find for this specific part number as it is a proprietary RCA designation, it is a robust power transistor designed for high-current and high-voltage applications.

​Type: NPN Power Transistor

​Package: TO-3 (hermetically sealed metal can)

​Applications

​Transistors like the RCA FBN-1198 were commonly used in:

​High-power audio amplifiers

​Switching power supplies

​Motor control circuits