onsemi

BD787G

BD787G Description

The BD787G from onsemi is a high-performance NPN bipolar junction transistor (BJT) designed for medium-power switching and amplification applications. With a collector-emitter breakdown voltage (Vce) of 60V and a maximum collector current (Ic) of 4A, it offers robust performance in demanding circuits. The transistor features a transition frequency (fT) of 50MHz, making it suitable for moderate-speed switching and RF applications. Packaged in a TO-126 through-hole form factor, the BD787G is optimized for reliability and ease of integration in industrial and consumer electronics.

BD787G Features

• High Voltage & Current Handling: Supports 60V Vce and 4A Ic, ideal for power regulation and motor control.
• Low Saturation Voltage: 2.5V @ 800mA, 4A ensures efficient switching with minimal power loss.
• High DC Current Gain (hFE): 40 @ 200mA, 3V provides stable amplification in linear circuits.
• RoHS3 & REACH Compliant: Environmentally friendly and compliant with global regulations.
• Wide Operating Range: Suitable for -55°C to +150°C environments, ensuring durability.
• Low Leakage Current: Collector cutoff current (Icbo) ≤ 100µA enhances energy efficiency.

BD787G Applications

The BD787G excels in:

• Power Management: Voltage regulators, DC-DC converters, and linear power supplies.
• Motor Drivers: H-bridge circuits and solenoid/relay drivers in automotive/industrial systems.
• Audio Amplification: Class-AB/B output stages in audio equipment.
• Switching Circuits: Load switches, inverters, and pulse-width modulation (PWM) controllers.
• RF Applications: Low-frequency RF amplification due to its 50MHz transition frequency.

Conclusion of BD787G

The BD787G stands out as a versatile, high-reliability NPN transistor for medium-power applications. Its low saturation voltage, high current gain, and robust thermal performance make it superior to generic BJTs in efficiency and stability. Whether used in power electronics, motor control, or amplification, this transistor delivers consistent performance under demanding conditions. Its compliance with RoHS3 and REACH further ensures suitability for modern, eco-conscious designs. For engineers seeking a cost-effective yet high-performance BJT, the BD787G is an excellent choice.