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BCX55,115

BCX55,115 Description

The BCX55,115 from Nexperia is a high-performance NPN bipolar junction transistor (BJT) designed for surface-mount applications. Encased in a SOT89 package, it delivers robust performance with a 60V collector-emitter breakdown voltage (VCEO) and a 1A continuous collector current (IC). Its 180MHz transition frequency (fT) ensures efficient switching and amplification in high-frequency circuits. With a low VCE saturation voltage of 500mV (at 50mA base current and 500mA collector current), it minimizes power loss, making it ideal for energy-sensitive designs. The device operates reliably across a wide temperature range up to 150°C (TJ), suitable for demanding environments.

BCX55,115 Features

• High Voltage & Current Handling: Supports 60V VCEO and 1A IC, enabling use in power management and driver circuits.
• Low Saturation Voltage: 500mV @ 500mA IC reduces conduction losses, improving efficiency.
• High Transition Frequency: 180MHz fT ensures excellent high-frequency response for RF and switching applications.
• Surface-Mount SOT89 Package: Compact and thermally efficient, ideal for space-constrained PCB designs.
• Robust DC Current Gain (hFE): Min 63 @ 150mA, 2V, providing consistent amplification.
• Reliable & Compliant: ROHS3, REACH Unaffected, and ECCN EAR99 certified for global use.

BCX55,115 Applications

This transistor excels in:

• Switching Regulators & Power Supplies: Low VCE(sat) enhances efficiency in DC-DC converters.
• Audio Amplifiers: High fT and linear hFE support clean signal amplification.
• Motor Control & Driver Circuits: Handles inductive loads with high current capability.
• RF & Communication Systems: 180MHz fT suits RF stages and oscillator designs.
• Automotive & Industrial Electronics: Wide temperature tolerance ensures reliability in harsh conditions.

Conclusion of BCX55,115

The BCX55,115 stands out as a versatile, high-performance NPN transistor combining high voltage tolerance, low saturation loss, and excellent frequency response. Its SOT89 package and 1.35W power dissipation make it a top choice for compact, high-efficiency designs in power electronics, RF, and automotive systems. Nexperia’s commitment to quality ensures long-term reliability, making it a preferred solution for engineers seeking a balance of performance and durability.