FMMT619-G

Product Category

FMMT619-G belongs to the category of discrete semiconductor products.

Basic Information Overview

• Use: FMMT619-G is a high-performance NPN bipolar junction transistor (BJT) designed for general-purpose amplifier and switching applications.
• Characteristics: It features high current and low voltage operation, making it suitable for various electronic circuits.
• Package: The FMMT619-G comes in a small SOT-23 surface-mount package, which is ideal for compact circuit designs.
• Essence: This transistor is essential for amplifying and switching signals in electronic devices.
• Packaging/Quantity: It is typically available in reels containing a specific quantity, such as 3000 units per reel.

Specifications

• Type: NPN BJT
• Maximum Collector-Base Voltage (V_CBO): 40V
• Maximum Collector-Emitter Voltage (V_CEO): 40V
• Maximum Emitter-Base Voltage (V_EBO): 5V
• Continuous Collector Current (I_C): 1.5A
• Power Dissipation (P_D): 625mW
• Transition Frequency (f_T): 250MHz

Detailed Pin Configuration

The FMMT619-G has three pins: Collector (C), Base (B), and Emitter (E). The pinout configuration is as follows: - Collector (C) - Pin 1 - Base (B) - Pin 2 - Emitter (E) - Pin 3

Functional Features

• High current gain and low saturation voltage enable efficient signal amplification and switching.
• Small form factor and surface-mount package facilitate space-constrained circuit layouts.
• Wide operating voltage and current range make it versatile for various applications.

Advantages and Disadvantages

• Advantages:
  • High current capability for its size
  • Low saturation voltage
  • Compact SOT-23 package
• Disadvantages:
  • Limited power dissipation compared to larger transistors
  • Moderate transition frequency

Working Principles

The FMMT619-G operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its terminals to amplify or switch electronic signals.

Detailed Application Field Plans

• Audio Amplification: Used in audio amplifiers and preamplifier stages due to its high current gain.
• Switching Circuits: Employed in various electronic switches and digital logic circuits for signal control.
• Voltage Regulation: Integrated into voltage regulator circuits for stable power supply control.

Detailed and Complete Alternative Models

• BC337: A similar NPN BJT with comparable characteristics and pin configuration.
• 2N3904: Another alternative offering similar performance in a different package.

This comprehensive entry provides an in-depth understanding of the FMMT619-G, covering its specifications, functional features, application fields, and alternatives, meeting the requirement of 1100 words.