2SA478 Specs and Replacement

Type Designator: 2SA478

Material of Transistor: Ge

Polarity: PNP

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 0.125 W

Maximum Collector-Base Voltage |Vcb|: 40 V

Maximum Collector-Emitter Voltage |Vce|: 40 V

Maximum Emitter-Base Voltage |Veb|: 2 V

Maximum Collector Current |Ic max|: 0.4 A

Max. Operating Junction Temperature (Tj): 85 °C

Electrical Characteristics

Transition Frequency (ft): 20 MHz

Collector Capacitance (Cc): 5 pF

Forward Current Transfer Ratio (hFE), MIN: 60

Noise Figure, dB: -

Package: TO1

 2SA478 Substitution

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2SA478 datasheet

 9.1. Size:69K  wingshing

2sa473.pdf pdf_icon

2SA478

2SA473 PNP EPITAXIAL SILICON TRANSISTOR LOW FREQUENCY POWER AMPLIFIER TO-220 Complement to 2SC1173 ABSOLUTE MAXIMUM RATINGS (T =25 ) A Characteristic Symbol Rating Unit Collector-Base Voltage VCBO -30 V Collector-Emitter Voltage VCEO -30 V Emitter-Base voltage VEBO -5 V Collector Current (DC) IC -3 A Collector Dissipation (Tc=25 PC 10 W Jun... See More ⇒

 9.2. Size:221K  inchange semiconductor

2sa473.pdf pdf_icon

2SA478

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Detailed specifications: 2SA473G, 2SA473O, 2SA473R, 2SA473Y, 2SA474, 2SA475, 2SA476, 2SA477, TIP122, 2SA479, 2SA48, 2SA480, 2SA482, 2SA483, 2SA484, 2SA484B, 2SA484R

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