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BC817K40E6327HTSA1

BC817K40E6327HTSA1 Description

The BC817K40E6327HTSA1 from Infineon Technologies is a high-performance NPN bipolar junction transistor (BJT) designed for surface-mount applications. Encased in a compact SOT-23 package, 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 switching and amplification tasks. With a transition frequency (fT) of 170MHz, it ensures efficient high-frequency operation, while its low Vce saturation voltage (700mV @ 50mA, 500mA) minimizes power dissipation. The device is RoHS3 compliant and REACH unaffected, aligning with environmental regulations.

BC817K40E6327HTSA1 Features

• High Current Gain (hFE): 250 (min) @ 100mA, 1V, ensuring reliable amplification.
• Low Leakage Current: 100nA (ICBO) cutoff current, enhancing efficiency in precision circuits.
• Wide Operating Temperature: Up to 150°C (TJ), suitable for demanding environments.
• Optimized for Surface Mount: Tape & Reel (TR) packaging streamlines automated assembly.
• Low Saturation Voltage: 700mV @ 500mA, reducing heat generation in switching applications.
• High Transition Frequency: 170MHz, ideal for RF and fast-switching circuits.

BC817K40E6327HTSA1 Applications

This transistor excels in:

• Signal Amplification: Audio preamps, sensor interfaces, and low-noise analog circuits.
• Switching Loads: Relay drivers, LED drivers, and DC-DC converter control.
• High-Frequency Circuits: RF modules, oscillators, and communication systems.
• Portable Electronics: Power management in battery-operated devices due to low leakage.
• Automotive & Industrial Systems: Robust performance under high temperatures and vibrations.

Conclusion of BC817K40E6327HTSA1

The BC817K40E6327HTSA1 stands out for its balance of voltage tolerance, current handling, and high-frequency capability, making it a versatile choice for modern electronics. Its low saturation voltage and high gain ensure energy efficiency, while the SOT-23 package saves board space. Though marked as Last Time Buy, its reliability and compliance with industry standards (RoHS3, REACH) make it a preferred solution for designers seeking a proven, compact BJT for amplification and switching tasks.