2SD1918 (D1918) NPN Power Transistor 160V 1.5A TO-252 Package

2SD1918 (D1918) NPN Power Transistor 160V 1.5A TO-252 Package

The 2SD1918 (D1918) is a high-performance NPN power transistor designed for medium-power amplification and switching applications. With a collector-emitter voltage of 160V and collector current of 1.5A, it delivers reliable performance, high gain, and stable operation in demanding electronic circuits.

Housed in a TO-252 (DPAK) surface-mount package, the 2SD1918 provides efficient heat dissipation and compact PCB integration, making it suitable for audio amplifiers, driver circuits, voltage regulators, and general industrial switching applications. Its robust construction ensures consistent performance, even under high-voltage and medium-current conditions.

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Features:

• Transistor Type: NPN Power Transistor
• Package: TO-252 / DPAK (surface-mount, thermally efficient)
• Collector-Emitter Voltage (V_CE): 160V
• Collector Current (I_C): 1.5A
• High Gain & Stable Operation: Ideal for medium-power circuits
• Thermally Robust: Reliable performance under load
• Compact Design: Space-saving surface-mount package for modern electronics

Applications:

• Audio Amplifiers: Medium-power output stages and pre-driver circuits
• Switching Circuits: Relays, LED drivers, and motor drivers
• Voltage Regulators & Power Supplies: Efficient regulation and switching
• Industrial Electronics: Automation and control systems
• Consumer Electronics: TVs, audio equipment, and portable devices
• DIY & Prototyping Projects: Medium-power amplification and switching circuits

2SD1918 (D1918) Datasheet