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2SC4793,HFEF(J) Encyclopedia Entry
Product Category: Transistor
Basic Information Overview: - Category: Bipolar Junction Transistor (BJT) - Use: Amplification of electrical signals - Characteristics: High voltage, high current, low noise - Package: TO-220AB - Essence: Power transistor for audio amplifiers and power switching circuits - Packaging/Quantity: Typically sold in reels or tubes containing 50 to 100 units
Specifications: - Maximum Collector-Emitter Voltage (Vce): 230V - Maximum Collector Current (Ic): 1.5A - DC Current Gain (hFE): 40-320 - Power Dissipation (Pd): 25W - Transition Frequency (ft): 30MHz
Detailed Pin Configuration: - Pin 1 (Emitter): Connected to the emitter region of the transistor - Pin 2 (Base): Connected to the base region of the transistor - Pin 3 (Collector): Connected to the collector region of the transistor
Functional Features: - High voltage capability - Low saturation voltage - Fast switching speed - Low noise
Advantages: - Suitable for audio amplifiers and power switching circuits - High voltage and current ratings - Low noise performance
Disadvantages: - Limited frequency response compared to other transistor types - Relatively large package size
Working Principles: The 2SC4793 operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its three terminals to amplify electrical signals.
Detailed Application Field Plans: - Audio amplifiers - Power supply circuits - Motor control circuits - Switching regulators
Detailed and Complete Alternative Models: - 2N3055 - MJ15003 - TIP31C - BD139
This comprehensive entry provides an in-depth understanding of the 2SC4793,HFEF(J) transistor, covering its category, basic information overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
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What is the 2SC4793 transistor used for?
- The 2SC4793 is a high-frequency amplifier transistor commonly used in RF and microwave applications.
What are the key specifications of the 2SC4793 transistor?
- The 2SC4793 has a maximum collector current of 150mA, a maximum collector-emitter voltage of 15V, and a transition frequency (ft) of 6GHz.
How can I determine the HFE (DC current gain) of the 2SC4793 transistor?
- The HFE of the 2SC4793 transistor can be found in the datasheet provided by the manufacturer. Typically, it ranges from 100 to 300.
What are the typical applications of the 2SC4793 transistor?
- The 2SC4793 is commonly used in high-frequency amplification circuits, such as in RF transmitters, receivers, and microwave systems.
What is the maximum power dissipation of the 2SC4793 transistor?
- The 2SC4793 has a maximum power dissipation of 500mW.
How do I ensure proper thermal management when using the 2SC4793 transistor?
- Proper heat sinking and thermal design should be implemented to ensure the 2SC4793 operates within its specified temperature range.
What is the pin configuration of the 2SC4793 transistor?
- The 2SC4793 typically has three pins: the emitter, base, and collector. Refer to the datasheet for the specific pinout.
Can the 2SC4793 be used in low-noise amplifier (LNA) designs?
- Yes, the 2SC4793's low noise figure and high-frequency capabilities make it suitable for use in LNA designs.
What precautions should be taken when soldering the 2SC4793 transistor?
- Care should be taken to avoid overheating the transistor during soldering, and proper ESD precautions should be followed to prevent damage.
Where can I find reliable sources for purchasing the 2SC4793 transistor?
- Authorized distributors and reputable electronics component suppliers often carry the 2SC4793 transistor. It's important to source components from trusted sources to ensure authenticity and quality.