The BF259 is silicon planar epitaxial NPN transistors in the Jedec TO-39 metal case. It is particularly designed for video output stages in CTV and MTV sets, class A audio output stages, and drivers for horizontal deflection circuit

BF259 Pinout

BF259 Pin Configuration
| Pin No | Pin Name |
|---|---|
| 1 | Emitter |
| 2 | Base |
| 3 | Collector |
Specification
| Type Designator | BF259 |
| Maximum Collector Power Dissipation (Pc) | 0.5 W |
| Maximum Collector-Base Voltage |Vcb| | 300 V |
| Maximum Collector-Emitter Voltage |Vce| | 300 V |
| Maximum Collector Current |Ic max|: | 0.1 A |
Application
- Video output stages in CTV and MTV sets
You can download this datasheet for BF259 NPN High Voltage Transistor – Datasheet from the link given below: