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1SMA5919BT3
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1SMA5919BT3

Product Overview

Category

The 1SMA5919BT3 belongs to the category of surface mount silicon zener diodes.

Use

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

Characteristics

  • Voltage regulation
  • Transient voltage suppression
  • Surface mount design
  • High reliability

Package

The 1SMA5919BT3 is typically available in a DO-214AC (SMA) package.

Essence

This zener diode serves as a crucial component in protecting electronic circuits from voltage spikes and regulating voltage levels.

Packaging/Quantity

The 1SMA5919BT3 is usually packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Zener Voltage: 18V
  • Power Dissipation: 5W
  • Operating Temperature Range: -65°C to +150°C
  • Forward Voltage: 1.5V
  • Reverse Leakage Current: 1µA

Detailed Pin Configuration

The 1SMA5919BT3 has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Voltage regulation under specified conditions
  • Transient voltage suppression during voltage spikes
  • Reliable performance in various electronic circuits

Advantages and Disadvantages

Advantages

  • Effective voltage regulation
  • High power dissipation capability
  • Compact surface mount design

Disadvantages

  • Limited reverse voltage tolerance
  • Sensitive to overcurrent conditions

Working Principles

The 1SMA5919BT3 operates based on the principle of the zener effect, where it maintains a constant voltage across its terminals when operated within its specified voltage range. It also suppresses transient voltage spikes by diverting excess current away from the circuit.

Detailed Application Field Plans

The 1SMA5919BT3 is widely used in: - Power supply units - Voltage regulation circuits - Surge protection devices - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the 1SMA5919BT3 include: - 1N4742A - BZX85C18 - P6KE18CA

In conclusion, the 1SMA5919BT3 zener diode offers reliable voltage regulation and transient voltage suppression capabilities, making it a vital component in various electronic applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van 1SMA5919BT3 in technische oplossingen

  1. What is the maximum forward current rating of 1SMA5919BT3?

    • The maximum forward current rating of 1SMA5919BT3 is 2A.

  2. What is the reverse standoff voltage of 1SMA5919BT3?

    • The reverse standoff voltage of 1SMA5919BT3 is 24V.

  3. What is the peak pulse power dissipation of 1SMA5919BT3?

    • The peak pulse power dissipation of 1SMA5919BT3 is 400W.

  4. What is the typical junction capacitance of 1SMA5919BT3?

    • The typical junction capacitance of 1SMA5919BT3 is 150pF.

  5. What are the typical applications for 1SMA5919BT3?

    • Typical applications for 1SMA5919BT3 include overvoltage protection in various electronic circuits, such as power supplies, communication systems, and automotive electronics.

  6. What is the operating temperature range of 1SMA5919BT3?

    • The operating temperature range of 1SMA5919BT3 is -55°C to 150°C.

  7. What is the package type of 1SMA5919BT3?

    • 1SMA5919BT3 is available in a DO-214AC (SMA) package.

  8. What is the clamping voltage of 1SMA5919BT3?

    • The clamping voltage of 1SMA5919BT3 is 38.9V at 10A.

  9. Is 1SMA5919BT3 RoHS compliant?

    • Yes, 1SMA5919BT3 is RoHS compliant.

  10. What are the key features of 1SMA5919BT3?

    • The key features of 1SMA5919BT3 include low profile, excellent clamping capability, fast response time, and high surge handling capability.