Microsemi Corporation
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2N3737
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2N3737 Transistor

Product Overview

The 2N3737 is a silicon NPN power transistor that falls under the category of electronic components. It is commonly used in amplification and switching applications due to its high current and voltage capabilities. The transistor exhibits characteristics such as low saturation voltage, high current gain, and fast switching speed. It is typically packaged in a TO-39 metal can package and is available in various packaging quantities.

Specifications

  • Maximum Collector-Emitter Voltage: 60V
  • Maximum Collector Current: 3A
  • Power Dissipation: 1W
  • Transition Frequency: 2MHz
  • Operating Temperature Range: -65°C to 200°C

Detailed Pin Configuration

The 2N3737 transistor has three pins: 1. Base (B) 2. Emitter (E) 3. Collector (C)

Functional Features

  • High current gain
  • Low saturation voltage
  • Fast switching speed
  • Good thermal stability

Advantages and Disadvantages

Advantages

  • High current and voltage capabilities
  • Low saturation voltage
  • Suitable for high-power applications

Disadvantages

  • Limited frequency response
  • Relatively large package size

Working Principles

The 2N3737 operates based on the principles of bipolar junction transistors (BJTs). When a small current flows into the base terminal, it controls a larger current flow between the collector and emitter terminals. This allows the transistor to amplify or switch electronic signals.

Detailed Application Field Plans

The 2N3737 transistor finds extensive use in various applications, including: - Audio amplifiers - Power supplies - Motor control circuits - Switching regulators - LED drivers

Detailed and Complete Alternative Models

Some alternative models to the 2N3737 include: - 2N3055 - TIP31 - MJ15003 - BD139

In conclusion, the 2N3737 transistor is a versatile electronic component with high current and voltage capabilities, making it suitable for a wide range of amplification and switching applications. Its low saturation voltage and fast switching speed make it an attractive choice for power electronics designs.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät 2N3737 :n soveltamiseen teknisissä ratkaisuissa

  1. What is 2N3737?

    • 2N3737 is a silicon NPN power transistor designed for high-voltage, high-speed power switching applications.

  2. What are the key specifications of 2N3737?

    • The key specifications include a collector-emitter voltage (VCEO) of 400V, collector current (IC) of 3A, and a power dissipation (PD) of 40W.

  3. What are the typical applications of 2N3737?

    • Typical applications include switching regulators, PWM amplifiers, solenoid and relay drivers, and general-purpose power amplification.

  4. What are the important considerations when using 2N3737 in a circuit?

    • It's important to consider proper heat sinking, voltage and current ratings, and safe operating area (SOA) to ensure reliable performance.

  5. How do I determine the appropriate base resistor for 2N3737?

    • The base resistor value can be calculated using the desired base current (IB) and the current gain (hFE) of the transistor.

  6. Can 2N3737 be used in high-frequency applications?

    • While 2N3737 has good high-speed characteristics, it's important to consider its frequency limitations and associated capacitances in high-frequency designs.

  7. What are the common failure modes of 2N3737?

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

  8. How should 2N3737 be handled during soldering and mounting?

    • Proper ESD precautions should be taken, and the recommended soldering and mounting techniques specified in the datasheet should be followed.

  9. Are there any complementary transistors to 2N3737?

    • Yes, the complementary PNP transistor to 2N3737 is typically denoted as 2N3792 or an equivalent part.

  10. Where can I find detailed application notes and reference designs for 2N3737?

    • Detailed application notes and reference designs can often be found in the manufacturer's datasheets, application notes, and technical literature. Additionally, online resources and forums may provide valuable insights into practical applications of 2N3737.