Vishay Semiconductor Diodes Division
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MMSZ5248B-HE3-18
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MMSZ5248B-HE3-18

Introduction

The MMSZ5248B-HE3-18 is a semiconductor product belonging to the category of Zener diodes. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the MMSZ5248B-HE3-18.

Basic Information Overview

  • Category: Zener Diode
  • Use: Voltage regulation and protection in electronic circuits
  • Characteristics: Precise voltage regulation, low impedance, and high reliability
  • Package: SOD-123
  • Essence: Semiconductor device for voltage regulation
  • Packaging/Quantity: Available in tape and reel packaging with varying quantities

Specifications

  • Voltage - Zener (Nom) (Vz): 18V
  • Power - Max: 500mW
  • Impedance (Max) (Zzt): 20 Ohm
  • Current - Reverse Leakage @ Vr: 100nA @ 13.5V
  • Operating Temperature: -65°C to 150°C
  • Mounting Type: Surface Mount
  • Package / Case: SOD-123

Detailed Pin Configuration

The MMSZ5248B-HE3-18 Zener diode has three pins: Anode, Cathode, and No Connection (NC). The Anode is connected to the positive terminal, the Cathode is connected to the negative terminal, and the NC pin is not connected.

Functional Features

  • Precise Voltage Regulation: The MMSZ5248B-HE3-18 provides accurate voltage regulation, making it suitable for various electronic applications.
  • Low Impedance: It exhibits low impedance characteristics, ensuring efficient current flow and stability in the circuit.
  • High Reliability: With its robust design, the diode offers high reliability and performance consistency.

Advantages and Disadvantages

Advantages

  • Accurate voltage regulation
  • Low impedance for efficient current flow
  • High reliability and consistent performance

Disadvantages

  • Limited power dissipation capability
  • Sensitivity to temperature variations

Working Principles

The MMSZ5248B-HE3-18 operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased. This allows it to regulate voltage and protect sensitive components in electronic circuits from voltage spikes.

Detailed Application Field Plans

The MMSZ5248B-HE3-18 is commonly used in various electronic applications such as: - Voltage regulation in power supplies - Overvoltage protection in communication systems - Signal clamping in audio amplifiers - Voltage reference in precision measurement equipment

Detailed and Complete Alternative Models

Some alternative models to the MMSZ5248B-HE3-18 include: - BZX84C18LT1G - 1N4746A - BZT52C18-7-F

In summary, the MMSZ5248B-HE3-18 Zener diode is a reliable semiconductor device known for its precise voltage regulation, low impedance, and high reliability. Its applications span across various electronic fields, making it a crucial component in modern electronic circuits.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MMSZ5248B-HE3-18 en soluciones técnicas

  1. What is the MMSZ5248B-HE3-18?

    • The MMSZ5248B-HE3-18 is a Zener diode designed for voltage regulation and transient voltage suppression in electronic circuits.

  2. What is the voltage rating of the MMSZ5248B-HE3-18?

    • The MMSZ5248B-HE3-18 has a nominal Zener voltage of 18V, making it suitable for applications requiring voltage clamping or regulation at this level.

  3. What are the typical applications of the MMSZ5248B-HE3-18?

    • Common applications include overvoltage protection, voltage regulation, and transient suppression in various electronic circuits such as power supplies, communication equipment, and automotive electronics.

  4. What is the power dissipation rating of the MMSZ5248B-HE3-18?

    • The MMSZ5248B-HE3-18 has a power dissipation rating of 500mW, allowing it to handle transient surges and maintain stable voltage regulation.

  5. What is the maximum current that the MMSZ5248B-HE3-18 can handle?

    • The maximum current through the MMSZ5248B-HE3-18 is typically 20mA, making it suitable for low-power applications.

  6. How does the MMSZ5248B-HE3-18 provide overvoltage protection?

    • The Zener diode conducts when the voltage across it exceeds its breakdown voltage, effectively shunting excess current and limiting the voltage across the protected circuit.

  7. Can the MMSZ5248B-HE3-18 be used for voltage regulation in a power supply?

    • Yes, the MMSZ5248B-HE3-18 can be used to regulate voltage in low-power applications where a stable output voltage is required.

  8. What are the temperature considerations for using the MMSZ5248B-HE3-18?

    • The MMSZ5248B-HE3-18 operates within a specified temperature range, typically from -65°C to 150°C, ensuring reliable performance in various environmental conditions.

  9. Is the MMSZ5248B-HE3-18 suitable for high-frequency applications?

    • While the MMSZ5248B-HE3-18 can function in high-frequency circuits, its response time and capacitance should be considered for such applications.

  10. Are there any alternative components with similar specifications to the MMSZ5248B-HE3-18?

    • Yes, other Zener diodes with comparable voltage ratings and characteristics, such as the MMSZ5221B-HE3-08 or MMSZ5230B-HE3-12, can be considered as alternatives for specific applications.