FMMT495TA

The FMMT495TA is a high-performance NPN bipolar junction transistor (BJT) manufactured by Diodes Incorporated. It is designed for a variety of applications, including general-purpose switching and amplification.

Key Features:

1. Package Type: The FMMT495TA is typically housed in a compact SOT-23 package, which is ideal for space-constrained applications. This surface-mount package allows for efficient thermal management and minimizes parasitic inductance and capacitance.

2. Electrical Characteristics:

   • Collector-Emitter Voltage (Vce): The maximum collector-emitter voltage is typically around 45V, making it suitable for a wide range of applications.
   • Collector Current (Ic): The transistor can handle a maximum collector current of approximately 600mA, allowing it to drive moderate loads effectively.
   • DC Current Gain (hFE): The FMMT495TA exhibits a high DC current gain, typically in the range of 100 to 300, which enhances its efficiency in amplification applications.

3. Frequency Response: The transistor is designed to operate effectively at high frequencies, with a transition frequency (fT) of around 150MHz. This makes it suitable for RF applications and high-speed switching.

4. Thermal Characteristics: The FMMT495TA has a relatively low thermal resistance, which helps in managing heat dissipation during operation. This characteristic is crucial for maintaining reliability and performance in demanding environments.

5. Applications: The FMMT495TA is versatile and can be used in various applications, including:

   • Signal amplification in audio and RF circuits.
   • Switching applications in power management systems.
   • Driver stages for relays, motors, and other inductive loads.
   • General-purpose electronic circuits requiring reliable performance.

6. Pin Configuration: The SOT-23 package typically features three pins, which are configured as follows:

   • Pin 1: Base (B)
   • Pin 2: Collector (C)
   • Pin 3: Emitter (E)

Conclusion:

The FMMT495TA from Diodes Incorporated is a robust and versatile NPN transistor that offers excellent performance for a wide range of electronic applications. Its compact size, high current gain, and ability to operate at elevated frequencies make it a popular choice among engineers and designers looking for reliable components in their circuits.