BD677 NPN Power Darlington Transistor 60V 4A TO-126 Package
$ 1.82
BD677 NPN Power Darlington Transistor 60V 4A TO-126 PackageThe BD677 is a high-current NPN Darlington transistor designed for medium-to-high power amplification and switching applications. With a collector-emitter voltage of 60V and a collector current of up to 4A, it delivers high current gain, low saturation voltage, and excellent thermal stability.Encased in a TO-126 package, the BD677 ensures efficient heat dissipation, making it ideal for audio amplifiers, motor drivers, voltage regulators, and medium-power switching circuits. Its Darlington configuration provides superior current amplification, making it suitable for driving moderate-to-heavy loads in industrial, educational, and hobbyist electronics projects.Click here to view related productsFeatures:Transistor Type: NPN Silicon DarlingtonPackage: TO-126 (medium-power, thermally efficient)Collector-Emitter Voltage (V<sub>CE</sub>): 60VCollector Current (I<sub>C</sub>): 4APower Dissipation (P<sub>tot</sub>): Up to 80W (with proper heatsink)High Current Gain (hFE): 1000–5000 (typical for Darlington pair)Low Saturation Voltage: Efficient switching and amplificationHigh Thermal Stability: Reliable operation under high current loadsDurable & Reliable: Long-term professional and hobbyist useApplications:Audio Amplifiers: High-gain driver and output stagesRelay & Motor Drivers: Efficiently drives motors, relays, and solenoidsVoltage Regulators: Provides stable voltage and current for circuitsSwitching Circuits: Medium-to-high power load switching with high amplificationIndustrial & Hobby Projects: Ideal for experimentation and prototypingDarlington Amplification Circuits: Provides high current gain for medium-to-high power applicationsbd677-transistor-datasheet* Product image for illustration purposes only, actual product may vary.