Supply original MMBT5401LT1G, Transistors - Bipolar (BJT) - Single, by ON Semiconductor

The MMBT5401LT1G is a general-purpose NPN bipolar junction transistor (BJT) manufactured by ON Semiconductor. It is designed for a variety of applications, including amplification and switching. Here’s a detailed description of its key features and specifications:

Package and Form Factor

• Package Type: The MMBT5401LT1G is typically housed in a small SOT-23 package, which is a surface-mount technology (SMT) package that allows for efficient use of board space and is suitable for automated assembly processes.
• Dimensions: The SOT-23 package has compact dimensions, making it ideal for applications where space is limited.

Electrical Characteristics

• Type: NPN transistor, which means it conducts when a positive voltage is applied to the base relative to the emitter.
• Collector-Emitter Voltage (Vce): The maximum collector-emitter voltage is rated at 60V, allowing it to handle a wide range of voltage applications.
• Collector Current (Ic): The maximum collector current is rated at 800mA, making it suitable for driving loads in various circuits.
• DC Current Gain (hFE): The transistor has a DC current gain (hFE) ranging from 100 to 300, depending on the collector current, which indicates its efficiency in amplifying current.

Thermal Characteristics

• Junction Temperature (Tj): The maximum junction temperature is rated at 150°C, allowing for operation in high-temperature environments.
• Thermal Resistance: The thermal resistance from junction to ambient is low, which helps in dissipating heat effectively during operation.

Switching and Amplification

• Switching Speed: The MMBT5401LT1G is capable of fast switching speeds, making it suitable for high-frequency applications.
• Amplification: It can be used in various amplifier configurations, providing good linearity and low distortion.

Applications

• General Purpose: This transistor is widely used in general-purpose applications, including signal amplification, switching circuits, and as a driver for relays and motors.
• Consumer Electronics: It is commonly found in consumer electronics, such as audio equipment, televisions, and other devices requiring signal processing.

Additional Features

• Lead-Free: The MMBT5401LT1G is compliant with RoHS standards, meaning it is free from hazardous substances, making it environmentally friendly.
• Reliability: ON Semiconductor ensures high reliability and quality in its manufacturing processes, making this transistor a trusted choice for engineers and designers.

Conclusion

The MMBT5401LT1G from ON Semiconductor is a versatile and reliable NPN transistor suitable for a wide range of electronic applications. Its compact size, robust electrical characteristics, and compliance with environmental standards make it an excellent choice for modern electronic designs.