2SD1957 series datasheets. Manufacturer: ROHM Co..

2SD1957 NPN power transistor, 120V, 7A in 3-pin TO-220FP package. Operational temperature range from -55°C to 150°C. Datasheet*) 2SD2061 NPN power transistor, 60V, 3A in 3-pin TO-220FP package. Operational temperature range from -55°C to 150°C. Datasheet*)

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