PZT2907AT3: Transistor Encyclopedia Entry

Introduction

The PZT2907AT3 is a type of transistor that belongs to the category of bipolar junction transistors (BJTs). This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the PZT2907AT3.

Basic Information Overview

• Category: Bipolar Junction Transistor (BJT)
• Use: Amplification and switching in electronic circuits
• Characteristics: Small signal PNP transistor, high current gain, low voltage drop
• Package: SOT-223
• Essence: High-performance small-signal transistor for general-purpose applications
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Collector-Base Voltage (VCBO): -60V
• Collector-Emitter Voltage (VCEO): -40V
• Emitter-Base Voltage (VEBO): -5V
• Collector Current (IC): -600mA
• Power Dissipation (Pd): 1.25W
• Transition Frequency (ft): 250MHz
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The PZT2907AT3 transistor has three pins: 1. Emitter (E): Connected to the N-type material 2. Base (B): Controls the flow of current between the emitter and collector 3. Collector (C): Connected to the P-type material

Functional Features

• High current gain (hFE) for amplification purposes
• Low saturation voltage for efficient switching applications
• SOT-223 package for easy mounting and heat dissipation

Advantages and Disadvantages

Advantages

• High current gain allows for effective signal amplification
• Low voltage drop across the collector-emitter junction
• SOT-223 package enables easy handling and thermal management

Disadvantages

• Limited maximum collector current compared to other transistors
• Moderate transition frequency may limit high-frequency applications

Working Principles

The PZT2907AT3 operates based on the principles of bipolar junction transistors. When a small current flows into the base terminal, it controls a much larger current flowing between the collector and emitter terminals, allowing for amplification or switching of signals in electronic circuits.

Detailed Application Field Plans

The PZT2907AT3 is commonly used in various electronic applications, including: - Audio amplifiers - Signal processing circuits - Switching circuits - Voltage regulators - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the PZT2907AT3 include: - 2N2907A - BC557 - MPSA92 - KSP2907A

In summary, the PZT2907AT3 is a versatile small-signal transistor with applications in amplification and switching circuits. Its high current gain and low voltage drop make it suitable for a wide range of electronic designs.

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