Manufacturer
Unknown
File Size
83.27 KB
Updated
Oct 22, 2025, 03:25 PM
Our procurement experts can help you find the best options and pricing.
Discover drop-in replacements and equivalent components
Get current stock levels and competitive quotes
Expert guidance on specifications and compatibility
Email us directly
support@all-datasheet-pdf.com
Response time: Typically within 24 hours during business days
Loading PDF...
Pages: 5
BF257 BF258-BF259 October 1988 HIGH VOLTAGE VIDEO AMPLIFIERS DESCRIPTION The BF257, BF258 and BF259 are silicon planar epitaxial NPN transistors in Jedec TO-39 metal case. They are particularly designed for video output stages in CTV and MTV sets, class A audio output stages and drivers for horizontal deflection circuits. ABSOLUTE MAXIMUM RATINGS Value SymbolParameter BF257 BF258 BF259 Unit V CBO Collector-base Voltage (I E = 0)160250300V V CEO Collector-emitter Voltage (I B = 0)160250300V V EBO Emitter-base Voltage (I C =0)5V I C Collector Current100mA I CM Collector Peak Current200mA P tot Total Power Dissipation at T amb ā¤50Ā°C5W T stg Storage Temperatureā 55 to 200Ā°C T j Junction Temperature200Ā°C INTERNAL SCHEMATIC DIAGRAM TO-39 1/5
We can help you confirm compatible replacements, availability, and pricing. Use the options below to reach our team.