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The 2SD1507M is a silicon NPN power transistor designed for general-purpose amplification and switching applications. Below are its key specifications, descriptions, and features:

Manufacturer:

• Renesas Electronics (formerly Hitachi Semiconductor)

Specifications:

• Transistor Type: NPN
• Collector-Emitter Voltage (VCEO): 60V
• Collector-Base Voltage (VCBO): 80V
• Emitter-Base Voltage (VEBO): 7V
• Collector Current (IC): 2A
• Power Dissipation (PC): 10W
• DC Current Gain (hFE): 60-320 (at IC = 0.5A, VCE = 5V)
• Transition Frequency (fT): 150MHz
• Operating Temperature Range: -55°C to +150°C
• Package Type: TO-220F (fully molded)

Descriptions:

• Designed for high-speed switching and amplification in power circuits.
• Suitable for audio amplifiers, motor drivers, and power regulation applications.
• Features low saturation voltage for efficient switching performance.

Features:

• High current capability (up to 2A).
• Low collector-emitter saturation voltage (VCE(sat)): 0.3V (max) at IC = 1A.
• Fully molded TO-220F package for improved thermal performance.
• Complementary PNP transistor: 2SB817M (for push-pull configurations).

This transistor is commonly used in power supplies, inverters, and electronic control circuits. For detailed application notes, refer to the manufacturer's datasheet.