

The D718 (2SD718) NPN Power Transistor is a high-performance silicon transistor widely used in audio amplifier circuits, power supply systems, inverter applications, and electronic switching circuits. Known for its high…
The D718 (2SD718) NPN Power Transistor is a high-performance silicon transistor widely used in audio amplifier circuits, power supply systems, inverter applications, and electronic switching circuits. Known for its high current handling capability, low saturation voltage, and excellent thermal stability, the D718 transistor is a preferred choice for professional and DIY electronic projects.
Designed for high-power applications, the 2SD718 delivers reliable performance in amplifier output stages, voltage regulators, motor control circuits, and industrial electronic equipment. Its robust TO-3P package ensures efficient heat dissipation, making it suitable for demanding applications requiring continuous operation.
Whether you're repairing an amplifier, building a power circuit, or replacing a damaged transistor, the D718 offers dependable performance and durability.
High-power NPN silicon transistor
Excellent current gain and switching performance
Suitable for audio power amplifiers
High collector current capability
Low collector-emitter saturation voltage
Reliable thermal stability
Durable TO-3P package for effective heat dissipation
Ideal for repair and replacement applications
| Parameter | Value |
|---|---|
| Part Number | 2SD718 |
| Transistor Type | NPN Power Transistor |
| Package Type | TO-3P |
| Collector-Emitter Voltage (Vceo) | 120V |
| Collector-Base Voltage (Vcbo) | 120V |
| Emitter-Base Voltage (Vebo) | 5V |
| Collector Current (Ic) | 8A |
| Power Dissipation (Pc) | 80W |
| DC Current Gain (hFE) | 35 – 160 |
| Operating Temperature | -55°C to +150°C |
| Mounting Type | Through-Hole |
Audio power amplifiers
Home theater amplifier repair
Power supply circuits
Inverter systems
Motor driver circuits
Voltage regulator designs
Industrial electronic equipment
Electronic repair and maintenance
1 × D718 (2SD718) NPN Power Transistor
The D718 transistor offers excellent power handling, stable operation, and long service life, making it a trusted component for amplifier builders, electronics technicians, and circuit designers looking for reliable performance in high-power applications.
| SKU | 1936 |
|---|---|
| Availability | In stock |
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