Microsemi Corporation
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2N3635L
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2N3635L Transistor

Product Overview

The 2N3635L is a high-power NPN bipolar junction transistor (BJT) designed for general-purpose amplifier and switching applications. This transistor falls under the category of discrete semiconductor devices and is commonly used in electronic circuits for its high current and voltage capabilities.

Basic Information

  • Category: Discrete Semiconductor Device
  • Use: Amplification and Switching
  • Characteristics: High Power, NPN Type
  • Package: TO-39 Metal Can
  • Essence: High Current and Voltage Capabilities
  • Packaging/Quantity: Typically available in packs of 10 or 25 units

Specifications

  • Collector-Base Voltage (Vcbo): 100V
  • Collector-Emitter Voltage (Vceo): 80V
  • Emitter-Base Voltage (Vebo): 7V
  • Collector Current (Ic): 3A
  • Power Dissipation (Pd): 20W
  • Transition Frequency (ft): 2MHz
  • Operating Temperature Range: -65°C to 200°C

Detailed Pin Configuration

The 2N3635L transistor has three pins: 1. Collector (C): Connected to the positive supply voltage in most applications. 2. Base (B): Used to control the flow of current between the collector and emitter. 3. Emitter (E): Connected to the ground or negative supply voltage in most applications.

Functional Features

  • High current and voltage handling capabilities
  • Fast switching speed
  • Low saturation voltage

Advantages and Disadvantages

Advantages

  • Suitable for high-power applications
  • Fast response time
  • Robust construction

Disadvantages

  • Relatively large package size
  • Higher cost compared to smaller transistors

Working Principles

The 2N3635L operates based on the principles of bipolar junction transistors. When a small current flows into the base terminal, it controls a larger current flowing between the collector and emitter terminals. This allows the transistor to amplify signals or act as a switch in electronic circuits.

Detailed Application Field Plans

The 2N3635L is commonly used in the following applications: - Audio amplifiers - Power supplies - Motor control circuits - High-power switching circuits

Detailed and Complete Alternative Models

Some alternative models to the 2N3635L include: - 2N3055: Similar power rating and package type - MJ15003: Higher power dissipation capability - TIP31: Lower power dissipation and cost-effective option

In conclusion, the 2N3635L transistor is a versatile component suitable for various high-power electronic applications, offering robust performance and reliability.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением 2N3635L в технических решениях.

  1. What is the 2N3635L transistor used for?

    • The 2N3635L is a high-power NPN transistor commonly used in audio amplifiers, power supplies, and switching applications.

  2. What are the key specifications of the 2N3635L transistor?

    • The 2N3635L has a maximum collector current of 4A, a maximum collector-emitter voltage of 60V, and a power dissipation of 50W.

  3. How do I determine the pinout of the 2N3635L transistor?

    • The pinout of the 2N3635L transistor is typically Emitter (E), Base (B), and Collector (C) when viewing the flat side with the leads pointing down.

  4. What are some common circuit configurations using the 2N3635L transistor?

    • Common configurations include emitter follower, common emitter, and as a switch in digital and analog circuits.

  5. What are the typical applications of the 2N3635L transistor?

    • The 2N3635L is often used in audio amplifiers, voltage regulators, motor control, and general-purpose switching applications.

  6. How do I calculate the base resistor value for driving the 2N3635L transistor?

    • The base resistor value can be calculated using the formula: RB = (VCC - VBE) / IB, where VCC is the supply voltage, VBE is the base-emitter voltage, and IB is the base current.

  7. What are the thermal considerations when using the 2N3635L in high-power applications?

    • Proper heat sinking and thermal management are crucial to ensure the 2N3635L operates within its temperature limits to maintain reliability and performance.

  8. Can the 2N3635L be used in a Darlington pair configuration?

    • Yes, the 2N3635L can be used as the first stage in a Darlington pair to achieve higher current gain and lower saturation voltage.

  9. What are the typical failure modes of the 2N3635L transistor?

    • Common failure modes include thermal runaway due to inadequate heat dissipation, overvoltage breakdown, and excessive current leading to junction failure.

  10. Are there any recommended alternative transistors to the 2N3635L for similar applications?

    • Some alternatives include the TIP31C, TIP32C, and MJ15003/MJ15004 transistors, which have comparable characteristics for many applications.