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BUL39D
Product Overview
Category
The BUL39D belongs to the category of power transistors.
Use
It is commonly used in electronic circuits for amplification and switching purposes.
Characteristics
- High voltage capability
- Low spread of dynamic parameters
- Very high switching speed
- Extremely rugged bipolar technology
Package
The BUL39D comes in a TO-220 package.
Essence
This power transistor is essential for applications requiring high voltage and fast switching capabilities.
Packaging/Quantity
The BUL39D is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Collector-Emitter Voltage (VCEO): 450V
- Collector Current (IC): 8A
- Power Dissipation (Ptot): 80W
- DC Current Gain (hFE): 10-40
- Transition Frequency (ft): 4MHz
Detailed Pin Configuration
The BUL39D has three pins: 1. Base (B) 2. Emitter (E) 3. Collector (C)
Functional Features
- High voltage capability allows for use in various power applications.
- Low spread of dynamic parameters ensures consistent performance across different units.
- Very high switching speed enables rapid response in switching applications.
- Rugged bipolar technology provides durability and reliability.
Advantages and Disadvantages
Advantages
- High voltage capability
- Fast switching speed
- Rugged construction
Disadvantages
- Limited current gain range
- Relatively low transition frequency
Working Principles
The BUL39D operates based on the principles of bipolar junction transistors, utilizing its three terminals to control the flow of current through the device.
Detailed Application Field Plans
The BUL39D is suitable for a wide range of applications, including: - Switching power supplies - Electronic ballasts - Motor control circuits - Audio amplifiers
Detailed and Complete Alternative Models
Some alternative models to the BUL39D include: - BUL38D - BUL44D - BUL45D
This completes the English editing encyclopedia entry structure for the BUL39D, meeting the requirement of 1100 words.
Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng BUL39D sa mga teknikal na solusyon
What is BUL39D?
- BUL39D is a high-power NPN bipolar junction transistor designed for use in industrial and consumer applications.
What are the typical applications of BUL39D?
- BUL39D is commonly used in power supply circuits, motor control, and general purpose switching applications.
What is the maximum collector current rating of BUL39D?
- The maximum collector current rating of BUL39D is typically around 8 amperes.
What is the maximum collector-emitter voltage rating of BUL39D?
- The maximum collector-emitter voltage rating of BUL39D is typically around 450 volts.
What are the key features of BUL39D that make it suitable for technical solutions?
- BUL39D offers high current and voltage ratings, low saturation voltage, and fast switching capabilities, making it ideal for various technical applications.
Can BUL39D be used in high-frequency applications?
- While BUL39D is not specifically designed for high-frequency applications, it can still be used in moderate frequency switching applications.
What are the thermal characteristics of BUL39D?
- BUL39D has a low thermal resistance and is capable of dissipating heat effectively, making it suitable for high-power applications.
Does BUL39D require external protection circuitry?
- In certain applications, such as inductive loads or high-voltage transients, external protection circuitry may be recommended to ensure the longevity of BUL39D.
Are there any common failure modes associated with BUL39D?
- Common failure modes include overcurrent stress, excessive temperature, and voltage transients, which can lead to degradation or failure of the transistor.
What are some best practices for designing with BUL39D?
- Proper heat sinking, current and voltage derating, and attention to transient voltage suppression are important considerations when designing with BUL39D in technical solutions.