PTV3.9B-M3/85A

Introduction

The PTV3.9B-M3/85A is a crucial component in the field of electronics and electrical engineering, specifically within the category of power transistors. This entry will provide an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Power Transistor
• Use: Amplification and switching of electronic signals
• Characteristics: High power handling capacity, low on-state resistance, fast switching speed
• Package: TO-220AB
• Essence: Silicon NPN Epitaxial Planar Transistor
• Packaging/Quantity: Typically packaged individually

Specifications

• Model: PTV3.9B-M3/85A
• Type: NPN
• Voltage - Collector Emitter Breakdown (Max): 100V
• Current - Collector (Ic) (Max): 10A
• Power - Max: 40W
• DC Current Gain (hFE) (Min) @ Ic, Vce: 40 @ 4A, 1V
• Frequency - Transition: 30MHz
• Operating Temperature: -55°C ~ 150°C

Detailed Pin Configuration

The PTV3.9B-M3/85A follows the standard pin configuration for a TO-220AB package: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

• High current gain
• Low saturation voltage
• Fast switching speed
• Excellent linearity of hFE

Advantages and Disadvantages

Advantages

• High power handling capacity
• Low on-state resistance
• Wide operating temperature range
• Versatile applications in power amplification and switching circuits

Disadvantages

• Sensitive to overvoltage conditions
• Susceptible to thermal runaway if not properly heat-sinked

Working Principles

The PTV3.9B-M3/85A operates based on the principles of bipolar junction transistors, utilizing the flow of charge carriers to amplify or switch electronic signals. When a small current flows into the base terminal, it controls a larger current between the collector and emitter terminals, enabling signal amplification or switching.

Detailed Application Field Plans

The PTV3.9B-M3/85A finds extensive use in various electronic applications, including: - Audio amplifiers - Power supplies - Motor control circuits - LED lighting drivers - Switching regulators

Detailed and Complete Alternative Models

• PTV3.9A-M3/85A
• PTV4.0B-M3/85A
• PTV3.8B-M3/85A
• PTV3.9B-M3/90A

In conclusion, the PTV3.9B-M3/85A power transistor offers high performance and reliability in power amplification and switching applications, making it a valuable component in the field of electronics and electrical engineering.

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