Taiwan Semiconductor

BC817-16

BC817-16 Description

The BC817-16 is an NPN bipolar junction transistor (BJT) manufactured by Taiwan Semiconductor Corporation, designed for high-performance switching and amplification applications. Packaged in a compact SOT-23 surface-mount form factor, it offers a collector-emitter voltage (Vce) rating of 45V and a maximum collector current (Ic) of 500mA, making it suitable for low-to-medium power circuits. With a transition frequency of 100MHz, it ensures efficient high-frequency operation. The device features a low Vce saturation voltage of 700mV @ 50mA, 500mA, minimizing power loss in switching applications. Its DC current gain (hFE) of 100 @ 100mA, 1V provides reliable amplification, while the low collector cutoff current (ICBO) of 100nA enhances energy efficiency.

BC817-16 Features

• High Voltage & Current Handling: Supports 45V Vce and 500mA Ic, ideal for robust circuit designs.
• Low Saturation Voltage: 700mV @ 500mA ensures minimal power dissipation in switching modes.
• High Transition Frequency: 100MHz enables efficient high-speed signal processing.
• Compact SOT-23 Package: Space-saving surface-mount design for modern PCB layouts.
• RoHS3 & REACH Compliant: Environmentally friendly and suitable for global markets.
• Wide hFE Range: Guaranteed gain of 100 @ 100mA, ensuring consistent performance.

BC817-16 Applications

The BC817-16 excels in switching, amplification, and driver circuits, including:

• Load Switching: Relay, LED, and small motor drivers due to its 500mA current capability.
• Signal Amplification: Audio preamps, sensor interfaces, and RF stages leveraging its 100MHz bandwidth.
• Power Management: DC-DC converters and voltage regulators benefiting from low Vce saturation.
• Portable Electronics: Smartphones, IoT devices, and wearables where compact SOT-23 packaging is critical.
• Automotive & Industrial Systems: Compliant with harsh environments thanks to wide operating tolerances.

Conclusion of BC817-16

The BC817-16 stands out as a versatile, high-performance NPN transistor, combining efficiency, compactness, and reliability. Its low saturation voltage, high gain, and robust current handling make it superior to generic BJTs in precision applications. Whether for switching, amplification, or embedded systems, this transistor delivers optimal performance while meeting RoHS3 and REACH standards. Engineers can confidently integrate it into consumer, industrial, and automotive designs for enhanced functionality and longevity.