BU143 Specs and Replacement

Type Designator: BU143

Material of Transistor: Si

Polarity: NPN

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 70 W

Maximum Collector-Base Voltage |Vcb|: 800 V

Maximum Collector-Emitter Voltage |Vce|: 350 V

Maximum Collector Current |Ic max|: 12 A

Max. Operating Junction Temperature (Tj): 125 °C

Electrical Characteristics

Forward Current Transfer Ratio (hFE), MIN: 5

Noise Figure, dB: -

Package: TO3

 BU143 Substitution

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BU143 datasheet

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Detailed specifications: BU136, BU137, BU137A, BU138, BU139, BU140, BU141, BU142, BD222, BU144, BU1508AX, BU1508DX, BU157, BU1706A, BU1706AX, BU1708AX, BU180

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