Vishay Semiconductor Diodes Division
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BZX85B27-TAP
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BZX85B27-TAP

Product Overview

Category

The BZX85B27-TAP belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 27V
  • Power dissipation: 1.3W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C
  • Storage temperature range: -65°C to +200°C
  • RoHS compliant

Package

The BZX85B27-TAP is typically available in bulk or tape and reel packaging.

Essence

The essence of the BZX85B27-TAP lies in its ability to provide a stable voltage reference and protect sensitive components from voltage spikes.

Packaging/Quantity

It is usually packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Zener voltage: 27V
  • Power dissipation: 1.3W
  • Maximum forward voltage: 1.2V
  • Reverse current: 5μA
  • Temperature coefficient: 5mV/°C

Detailed Pin Configuration

The BZX85B27-TAP has two pins, anode, and cathode, which are denoted by the standard pinout for DO-41 package.

Functional Features

  • Voltage regulation: The BZX85B27-TAP maintains a constant voltage across its terminals, making it suitable for stabilizing power supplies.
  • Overvoltage protection: It can clamp excessive voltages, safeguarding sensitive components in the circuit.

Advantages

  • Precise voltage regulation
  • High power dissipation capability
  • Compact and easy to integrate into circuits

Disadvantages

  • Limited current handling capacity
  • Susceptible to thermal runaway under high power conditions

Working Principles

The BZX85B27-TAP operates based on the Zener effect, where it maintains a nearly constant voltage drop across its terminals when reverse biased.

Detailed Application Field Plans

  • Voltage regulation in power supplies
  • Overvoltage protection in electronic circuits
  • Signal clamping in communication systems

Detailed and Complete Alternative Models

  • BZX85C27-TAP
  • 1N4749A-TAP
  • BZT52C27-TAP

This completes the entry for the BZX85B27-TAP, providing comprehensive information about its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Énumérez 10 questions et réponses courantes liées à l'application de BZX85B27-TAP dans les solutions techniques

  1. What is the maximum power dissipation of BZX85B27-TAP?

    • The maximum power dissipation of BZX85B27-TAP is 1.3W.

  2. What is the voltage rating of BZX85B27-TAP?

    • BZX85B27-TAP has a voltage rating of 27V.

  3. What is the operating temperature range for BZX85B27-TAP?

    • The operating temperature range for BZX85B27-TAP is -65°C to +175°C.

  4. What is the typical forward voltage drop of BZX85B27-TAP?

    • The typical forward voltage drop of BZX85B27-TAP is 0.9V at 200mA.

  5. Is BZX85B27-TAP suitable for voltage regulation applications?

    • Yes, BZX85B27-TAP is commonly used in voltage regulation applications due to its stable zener voltage.

  6. Can BZX85B27-TAP be used for overvoltage protection?

    • Yes, BZX85B27-TAP can be used for overvoltage protection in various electronic circuits.

  7. What is the tolerance of the zener voltage for BZX85B27-TAP?

    • The tolerance of the zener voltage for BZX85B27-TAP is ±5%.

  8. Does BZX85B27-TAP require a heatsink for operation?

    • It is recommended to use a heatsink for BZX85B27-TAP when operating at higher power levels to ensure proper heat dissipation.

  9. What are the typical applications of BZX85B27-TAP?

    • Typical applications of BZX85B27-TAP include voltage stabilization, overvoltage protection, and voltage reference circuits.

  10. Is BZX85B27-TAP RoHS compliant?

    • Yes, BZX85B27-TAP is RoHS compliant, making it suitable for use in environmentally conscious designs.