2SD1594 NPN Power Transistor 100V 7A TO-220F Package

2SD1594 NPN Power Transistor 100V 7A TO-220F Package

The 2SD1594 is a high-current NPN bipolar power transistor designed for switching and amplification applications. Its TO-220F package makes it suitable for moderate power circuits where heat dissipation is needed but not as extreme as TO-3 or TO-3PL devices.

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Key Features

• Collector-Emitter Voltage (Vceo): 100V
• Collector Current (Ic): 7A
• Power Dissipation (Pc): ~60–80W (with heat sink)
• DC Current Gain (hFE): 30–160 (varies with collector current)
• Transition Frequency (ft): ~3–8 MHz
• Low Saturation Voltage for efficient switching
• TO-220F Package: Fully insulated, easier mounting on heatsinks

Applications

• Switching circuits (relays, motor drivers)
• Low to medium power audio amplifiers
• Voltage regulators
• Power control circuits
• General-purpose power amplification

2sd1594-transistor-datasheet