2SA1257 series datasheets. Manufacturer: SANYO Electric Co., Ltd..

2SA1257 PNP epitaxial planar silicon transistor, high-voltage, AF power amp, 100W output predriver application in 3-pin 2018A package. Datasheet*) 2SC3143 NPN epitaxial planar silicon transistor, high-voltage, AF power amp, 100W output predriver application in 3-pin 2018A package. Datasheet*) 2SA1257 PNP transistors for high-voltage switching, AF power amp, 100W output predriver applications in 3-pin CP package. Operational temperature range from -55°C to 150°C. Datasheet*) 2SC3143 NPN transistors for high-voltage switching, AF power amp, 100W output predriver applications in 3-pin CP package. Operational temperature range from -55°C to 150°C. Datasheet*)

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