Diodes Incorporated
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1.5KE43A-T
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1.5KE43A-T

Product Overview

The 1.5KE43A-T belongs to the category of transient voltage suppressor diodes. These diodes are used to protect sensitive electronics from voltage spikes and transients. The 1.5KE43A-T is designed to clamp voltage surges and divert excess current away from sensitive components, thereby safeguarding them from damage. This diode is characterized by its high surge capability, fast response time, and compact package size. It is typically available in a DO-201 package and is commonly sold in quantities of 500 or 1000 units.

Specifications

  • Part Number: 1.5KE43A-T
  • Category: Transient Voltage Suppressor Diode
  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 43V
  • Package Type: DO-201
  • Quantity: Typically sold in reels of 500 or 1000 units

Detailed Pin Configuration

The 1.5KE43A-T diode has a standard axial lead configuration with two leads. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.

Functional Features

  • High surge capability
  • Fast response time
  • Low clamping voltage
  • Compact and rugged package design

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Compact form factor

Disadvantages

  • Limited maximum clamping voltage
  • May require additional circuitry for comprehensive surge protection

Working Principles

When a voltage surge occurs, the 1.5KE43A-T diode conducts current and clamps the voltage to a safe level, protecting downstream components. This is achieved through the rapid transition of the diode into a low-resistance state when subjected to excessive voltage.

Detailed Application Field Plans

The 1.5KE43A-T diode finds extensive use in various applications such as: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the 1.5KE43A-T diode include: - 1.5KE39A-T - 1.5KE47A-T - 1.5KE51A-T - 1.5KE62A-T

In summary, the 1.5KE43A-T transient voltage suppressor diode offers effective protection against voltage surges and transients, making it an essential component in numerous electronic systems.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של 1.5KE43A-T בפתרונות טכניים

  1. What is the maximum power dissipation of 1.5KE43A-T?

    • The maximum power dissipation of 1.5KE43A-T is 1500W for a 10/1000μs waveform.

  2. What is the peak pulse current of 1.5KE43A-T?

    • The peak pulse current of 1.5KE43A-T is 112.3A for an 8/20μs waveform.

  3. What is the breakdown voltage of 1.5KE43A-T?

    • The breakdown voltage of 1.5KE43A-T is 43V.

  4. What are the typical applications of 1.5KE43A-T?

    • 1.5KE43A-T is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the clamping voltage of 1.5KE43A-T?

    • The clamping voltage of 1.5KE43A-T is 77.4V at 58.9A.

  6. What is the operating temperature range of 1.5KE43A-T?

    • The operating temperature range of 1.5KE43A-T is -55°C to +175°C.

  7. Does 1.5KE43A-T meet industry standards for surge protection?

    • Yes, 1.5KE43A-T meets the requirements of various industry standards, including IEC 61000-4-5 for surge immunity testing.

  8. Can 1.5KE43A-T be used for transient voltage suppression in power supply units?

    • Yes, 1.5KE43A-T is suitable for transient voltage suppression in power supply units to protect against voltage spikes and surges.

  9. What is the response time of 1.5KE43A-T?

    • The response time of 1.5KE43A-T is very fast, typically responding within nanoseconds to clamp transient overvoltages.

  10. Is 1.5KE43A-T RoHS compliant?

    • Yes, 1.5KE43A-T is RoHS compliant, meeting the restrictions on hazardous substances in electrical and electronic equipment.