BDY57 series datasheets. Manufacturer: COMST.

BDY57 80V NPN silicon transistot, diffused mesa in 2-pin TO-3 package. Operational temperature range from -65°C to 200°C. Datasheet*) BDY58 125V NPN silicon transistot, diffused mesa in 2-pin TO-3 package. Operational temperature range from -65°C to 200°C. Datasheet*) There are other manufacturers for this components. For more information please check BDY57 (Advanced Semiconductor, Inc) BDY57 (Semelab Plc.) BDY57 (SOLIT) BDY57 (SGS-Thomson Microelectronics)

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