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1PMT5945E3/TR13
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1PMT5945E3/TR13

Product Overview

Category

The 1PMT5945E3/TR13 belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and transient suppression in electronic circuits.

Characteristics

  • Zener voltage: 15V
  • Power dissipation: 3W
  • Package type: SOD-123

Packaging/Quantity

The 1PMT5945E3/TR13 is typically available in reels with a quantity of 3000 units per reel.

Specifications

  • Zener Voltage (Vz): 15V
  • Power Dissipation (Pd): 3W
  • Forward Voltage (VF): 1.2V
  • Reverse Current (IR): 5µA
  • Operating Temperature: -65°C to +150°C

Detailed Pin Configuration

The 1PMT5945E3/TR13 has two pins, with the cathode connected to the marked side of the package.

Functional Features

  • Precise voltage regulation
  • Transient suppression
  • Low reverse leakage current

Advantages

  • High power dissipation capability
  • Small form factor
  • Wide operating temperature range

Disadvantages

  • Limited voltage options
  • Sensitive to temperature variations

Working Principles

The 1PMT5945E3/TR13 operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse biased.

Detailed Application Field Plans

This Zener diode is widely used in voltage regulator circuits, surge suppressors, and overvoltage protection in various electronic devices such as power supplies, automotive electronics, and industrial equipment.

Detailed and Complete Alternative Models

Some alternative models to the 1PMT5945E3/TR13 include: - BZX84C15 - MMBZ15VALT1G - P6SMB15CA

In conclusion, the 1PMT5945E3/TR13 Zener diode offers precise voltage regulation and transient suppression, making it an essential component in various electronic circuits.

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技術ソリューションにおける 1PMT5945E3/TR13 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is 1PMT5945E3/TR13?

    • 1PMT5945E3/TR13 is a Zener diode with a voltage of 15V and a power dissipation of 3W.

  2. What are the typical applications of 1PMT5945E3/TR13?

    • It is commonly used in voltage regulation, surge protection, and overvoltage clamping in various electronic circuits.

  3. What is the maximum current rating for 1PMT5945E3/TR13?

    • The maximum current rating for 1PMT5945E3/TR13 is typically around 200mA.

  4. How does 1PMT5945E3/TR13 provide overvoltage protection?

    • When the voltage across the diode exceeds its breakdown voltage (15V), it conducts and limits the voltage to protect the circuitry.

  5. Can 1PMT5945E3/TR13 be used in reverse bias?

    • Yes, it can be used in reverse bias as a regular diode, but it will conduct significantly when the voltage exceeds 15V.

  6. What are the key specifications to consider when using 1PMT5945E3/TR13 in a design?

    • Key specifications include breakdown voltage, power dissipation, maximum current, and temperature coefficient.

  7. Is 1PMT5945E3/TR13 suitable for high-frequency applications?

    • It is not recommended for high-frequency applications due to its inherent capacitance and response time.

  8. Can multiple 1PMT5945E3/TR13 diodes be connected in series or parallel?

    • Yes, they can be connected in series to increase the breakdown voltage or in parallel to share the current.

  9. What are the typical failure modes of 1PMT5945E3/TR13?

    • Common failure modes include thermal runaway due to excessive power dissipation and breakdown under high voltage transients.

  10. Are there any alternative components that can be used in place of 1PMT5945E3/TR13?

    • Alternatives include other Zener diodes with similar breakdown voltages and power dissipation ratings, such as BZX55C15 or 1N4744A.