ZTX718STZ - Encyclopedia Entry

Introduction

The ZTX718STZ is a semiconductor component belonging to the category of bipolar junction transistors (BJTs). This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the ZTX718STZ.

Basic Information Overview

• Category: Bipolar Junction Transistor (BJT)
• Use: Amplification and switching in electronic circuits
• Characteristics: High gain, low noise, and fast switching speed
• Package: TO-92
• Essence: Silicon NPN epitaxial planar transistor
• Packaging/Quantity: Available in reels or tubes with varying quantities

Specifications

• Maximum Collector-Emitter Voltage (VCEO): 30V
• Maximum Collector-Base Voltage (VCBO): 40V
• Maximum Emitter-Base Voltage (VEBO): 5V
• Continuous Collector Current (IC): 0.8A
• Power Dissipation (PD): 625mW
• Transition Frequency (fT): 300MHz
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The ZTX718STZ has three pins: 1. Collector (C): Connects to the positive supply voltage in the circuit. 2. Base (B): Controls the transistor's conductivity when a small current is applied. 3. Emitter (E): Allows the flow of current from the transistor.

Functional Features

• High current gain (hFE) of 100 to 300 at IC = 100mA
• Low noise figure for audio frequency applications
• Fast switching speed suitable for digital and high-frequency applications

Advantages and Disadvantages

Advantages

• High gain makes it suitable for amplification purposes
• Low noise figure enhances its performance in audio applications
• Fast switching speed enables efficient digital and high-frequency circuit designs

Disadvantages

• Limited maximum collector current compared to power transistors
• Relatively low breakdown voltages restrict high-power applications

Working Principles

The ZTX718STZ operates based on the principles of bipolar junction transistors. When a small current is applied to the base terminal, it controls the larger current flowing between the collector and emitter terminals. This property allows the transistor to amplify signals or act as a switch in electronic circuits.

Detailed Application Field Plans

The ZTX718STZ finds applications in various electronic circuits, including but not limited to: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillator circuits - RF amplifiers

Detailed and Complete Alternative Models

Some alternative models to the ZTX718STZ include: - BC547B - 2N3904 - 2SC945 - MPS2222A - PN2222A

In conclusion, the ZTX718STZ is a versatile BJT with high gain, low noise, and fast switching speed, making it suitable for a wide range of electronic applications.

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