BD787G Product Overview

Introduction

BD787G is a semiconductor product belonging to the category of power transistors. It is widely used in various electronic applications due to its unique characteristics and functional features.

Basic Information Overview

Category: Power Transistor
Use: Amplification and Switching in Electronic Circuits
Characteristics: High Power Dissipation, Low Saturation Voltage
Package: TO-220AB
Essence: Silicon NPN Epitaxial Planar Transistor
Packaging/Quantity: Typically available in reels of 1000 units

Specifications

Collector-Emitter Voltage (VCEO): 80V
Collector Current (IC): 8A
Power Dissipation (PD): 40W
DC Current Gain (hFE): 40 - 320
Transition Frequency (fT): 30MHz

Detailed Pin Configuration

The BD787G transistor has a standard TO-220AB package with three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

High Collector-Emitter Breakdown Voltage
Low Saturation Voltage
Fast Switching Speed
Excellent Linearity in Amplification

Advantages and Disadvantages

Advantages

Suitable for High Power Applications
Low Saturation Voltage Reduces Power Losses
Wide Range of DC Current Gain

Disadvantages

Relatively Lower Transition Frequency
Larger Package Size Compared to SMD Transistors

Working Principles

The BD787G operates based on the principles of bipolar junction transistors, where the flow of current between the collector and emitter is controlled by the base current. It amplifies or switches electronic signals depending on the configuration in the circuit.

Detailed Application Field Plans

The BD787G is commonly used in the following applications: - Audio Amplifiers - Power Supplies - Motor Control Circuits - LED Drivers - Voltage Regulators

Detailed and Complete Alternative Models

Some alternative models to BD787G include: - BD785G - BD786G - BD788G - BD789G

In conclusion, the BD787G power transistor offers high power dissipation, low saturation voltage, and versatile applications in electronic circuits, making it a popular choice among engineers and designers.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BD787G v technických řešeních

Sure, here are 10 common questions and answers related to the application of BD787G in technical solutions:

Q: What is BD787G? A: BD787G is a high-voltage, high-speed switching NPN power transistor designed for use in various technical solutions.
Q: What are the typical applications of BD787G? A: BD787G is commonly used in electronic circuits such as power supplies, inverters, and motor control systems.
Q: What is the maximum voltage and current rating for BD787G? A: The maximum collector-emitter voltage (VCEO) is typically 100V, and the maximum collector current (IC) is around 8A.
Q: What are the key features of BD787G? A: BD787G features high voltage capability, fast switching speed, and low saturation voltage, making it suitable for demanding technical applications.
Q: How should BD787G be mounted in a circuit? A: BD787G should be mounted on a heat sink to dissipate heat effectively, and proper insulation should be used to prevent electrical shorts.
Q: What are the recommended operating conditions for BD787G? A: The recommended operating temperature range is typically -55°C to 150°C, and the maximum junction temperature should not be exceeded.
Q: Can BD787G be used in audio amplifier designs? A: Yes, BD787G can be used in audio amplifier designs, especially in high-power applications where its high voltage and current capabilities are beneficial.
Q: Are there any specific considerations for driving BD787G in a switching power supply? A: It's important to ensure proper drive circuitry to control the switching characteristics and to minimize ringing and EMI effects in switching power supply applications.
Q: What protection measures should be taken when using BD787G in motor control circuits? A: Overcurrent and overvoltage protection circuits should be implemented to safeguard BD787G and the motor from potential damage.
Q: Can BD787G be used in automotive electronics? A: Yes, BD787G can be used in automotive electronics, but it's essential to consider temperature variations and reliability requirements for automotive applications.

I hope these questions and answers provide a comprehensive overview of the application of BD787G in technical solutions. Let me know if you need further information!