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BC817K-40HR

BC817K-40HR Description

The BC817K-40HR from Nexperia is a high-performance NPN bipolar junction transistor (BJT) designed for automotive-grade applications. Packaged in a compact TO236AB (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 medium-power switching and amplification tasks. With a transition frequency of 100MHz, it ensures efficient high-frequency operation, while its low Vce saturation voltage (700mV @ 50mA, 500mA) minimizes power losses. The device is RoHS3 compliant, REACH unaffected, and rated for operating temperatures up to 150°C (TJ), ensuring reliability in harsh environments.

BC817K-40HR Features

• Automotive-Grade Reliability: Meets stringent automotive industry standards for durability and performance.
• High Current Gain (hFE): 250 (min) @ 100mA, 1V, ensuring strong signal amplification.
• Low Leakage Current: 100nA (ICBO) max, enhancing efficiency in low-power circuits.
• Optimized for Surface Mounting: Tape & Reel (TR) packaging for automated assembly.
• Wide Operating Temperature Range: -55°C to 150°C, suitable for demanding environments.
• Low Saturation Voltage: 700mV @ 500mA, reducing heat dissipation and improving energy efficiency.

BC817K-40HR Applications

• Automotive Electronics: Engine control units (ECUs), lighting drivers, and sensor interfaces.
• Switching Circuits: Load switches, relay drivers, and power management systems.
• Amplification Stages: Audio pre-amplifiers, signal conditioning, and RF modules.
• Industrial Control Systems: PLCs, motor drivers, and automation equipment.
• Consumer Electronics: Portable devices, battery management, and LED drivers.

Conclusion of BC817K-40HR

The BC817K-40HR stands out as a robust, high-efficiency NPN transistor tailored for automotive and industrial applications. Its combination of high current gain, low saturation voltage, and wide temperature tolerance makes it ideal for power switching and amplification in space-constrained designs. With Nexperia's proven quality and compliance with RoHS3 and REACH, this transistor is a reliable choice for engineers seeking performance and longevity in demanding environments.