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BF258 - HIGH VOLTAGE TRANSISTOR

Download the BF258 datasheet PDF. This datasheet also covers the BF257 variant, as both devices belong to the same high voltage transistor family and are provided as variant models within a single manufacturer datasheet.

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Note: The manufacturer provides a single datasheet file (BF257-Motorola.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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Other Datasheets by Motorola Semiconductor (now NXP Semiconductors)

Part Number Description
BF254 AM/FM TRANSISTORS
BF255 AM/FM TRANSISTORS
BF257 HIGH VOLTAGE TRANSISTOR
BF259 HIGH VOLTAGE TRANSISTOR
BF241 AM/FM TRANSISTORS

Full PDF Text Transcription

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MAXIMUM RATINGS Rating Collector-Emitter Voltage Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current - Continuous @TaTotal Device Dissipation = 25°C Derate above 25°C Total Device Dissipation @Tq = 25°C Derate above 25°C Operating and Storage Junction Temperature Range THERMAL CHARACTERISTICS Characteristic Thermal Resistance, Junction to Case Symbol BF BF BF 257 258 259 VCEO VCER VCBQ 160 250 300 160 250 300 160 250 300 VEBO c PD 5.0 0.1 0.8 4.57 pd Tj, T stg 5.0 28.6 -65 to +200 Unit Vdc Vdc Vdc Vdc Adc' Watt mW/°C Watt mW/°C °C Symbol RflJC Max 35 Unit °C/W BF257 BF258 BF259 CASE 79, STYLE 1 TO-39 (TO-205AD) HIGH VOLTAGE TRANSISTOR NPN SILICON ELECTRICAL CHARACTERISTICS (Ta = 25°C unless otherwise noted.
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