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UNR921EJ0L
Product Overview
Category
The UNR921EJ0L belongs to the category of semiconductor devices.
Use
It is used as a power transistor in electronic circuits.
Characteristics
- High voltage capability
- Low saturation voltage
- Fast switching speed
Package
The UNR921EJ0L comes in a TO-220F package.
Essence
This product is essential for amplifying and switching electronic signals in various applications.
Packaging/Quantity
The UNR921EJ0L is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Maximum Collector-Emitter Voltage: 200V
- Maximum Collector Current: 5A
- Power Dissipation: 25W
- Transition Frequency: 30MHz
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
The UNR921EJ0L has three pins: 1. Emitter (E) 2. Collector (C) 3. Base (B)
Functional Features
- High voltage capability allows for use in various power applications.
- Low saturation voltage reduces power loss during operation.
- Fast switching speed enables efficient signal amplification and switching.
Advantages
- Suitable for high voltage applications
- Low power dissipation
- Fast response time
Disadvantages
- Limited maximum collector current compared to some alternative models
- Relatively narrow operating temperature range
Working Principles
The UNR921EJ0L operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its emitter and collector terminals through the base terminal.
Detailed Application Field Plans
The UNR921EJ0L is commonly used in the following applications: - Switching power supplies - Motor control circuits - Audio amplifiers
Detailed and Complete Alternative Models
Some alternative models to the UNR921EJ0L include: - UNR911TJ0L - UNR931EJ0L - UNR941EJ0L
In conclusion, the UNR921EJ0L is a versatile power transistor with high voltage capability, low saturation voltage, and fast switching speed. Its application spans across various electronic circuits, making it an essential component in many electronic devices and systems.
Énumérez 10 questions et réponses courantes liées à l'application de UNR921EJ0L dans les solutions techniques
What is UNR921EJ0L?
- UNR921EJ0L is a PNP epitaxial silicon transistor designed for use in various electronic applications.
What are the typical applications of UNR921EJ0L?
- UNR921EJ0L is commonly used in audio amplifiers, voltage regulators, and power management circuits.
What is the maximum voltage and current rating for UNR921EJ0L?
- The maximum collector-emitter voltage (VCEO) is 50V, and the maximum collector current (IC) is 100mA.
What are the key electrical characteristics of UNR921EJ0L?
- Some key characteristics include low saturation voltage, high current gain, and low noise figure.
Can UNR921EJ0L be used in high-frequency applications?
- While UNR921EJ0L is not specifically designed for high-frequency applications, it can be used in low to moderate frequency circuits.
Is UNR921EJ0L suitable for switching applications?
- Yes, UNR921EJ0L can be used in low-power switching applications due to its fast switching speed and low saturation voltage.
What are the recommended operating conditions for UNR921EJ0L?
- It is recommended to operate UNR921EJ0L within a temperature range of -55°C to 150°C and with a maximum power dissipation of 300mW.
Are there any specific considerations for circuit layout when using UNR921EJ0L?
- Proper grounding and thermal management are important for optimal performance, and minimizing parasitic capacitance is beneficial for high-frequency applications.
Can UNR921EJ0L be used in automotive electronics?
- Yes, UNR921EJ0L is suitable for automotive applications such as audio systems, lighting controls, and sensor interfaces.
Where can I find detailed technical specifications and application notes for UNR921EJ0L?
- Detailed technical specifications and application notes for UNR921EJ0L can be found in the manufacturer's datasheet and application guides, which are available on their official website or through authorized distributors.