Vishay Semiconductor Diodes Division
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ZM4748A-GS18
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ZM4748A-GS18

Product Overview

Category

The ZM4748A-GS18 belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 15V
  • Power dissipation: 1.5W
  • Package type: DO-214AC (SMA)
  • Operating temperature range: -65°C to +175°C
  • Storage temperature range: -65°C to +175°C

Package

The ZM4748A-GS18 is available in a DO-214AC (SMA) package.

Essence

The essence of the ZM4748A-GS18 lies in its ability to maintain a constant voltage across its terminals, making it suitable for voltage regulation applications.

Packaging/Quantity

The ZM4748A-GS18 is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Zener Voltage: 15V
  • Power Dissipation: 1.5W
  • Forward Voltage: 1.2V
  • Reverse Current: 5µA
  • Temperature Coefficient: 5mV/°C

Detailed Pin Configuration

The ZM4748A-GS18 has two pins and follows the standard pin configuration for DO-214AC (SMA) packages.

Functional Features

  • Precise voltage regulation
  • Low reverse leakage current
  • High power dissipation capability
  • Wide operating temperature range

Advantages

  • Reliable voltage regulation
  • Suitable for high-temperature environments
  • Compact package size

Disadvantages

  • Limited power dissipation compared to larger diode packages
  • Sensitive to overvoltage conditions

Working Principles

The ZM4748A-GS18 operates based on the principle of the Zener effect, where it maintains a nearly constant voltage drop across its terminals when reverse-biased.

Detailed Application Field Plans

The ZM4748A-GS18 is commonly used in: - Voltage regulators - Overvoltage protection circuits - Power supplies - Electronic equipment requiring stable voltage references

Detailed and Complete Alternative Models

  • 1N4748A: Similar specifications and package type
  • BZX85C15: Higher power dissipation capability
  • MMSZ5248B: Smaller package size

In conclusion, the ZM4748A-GS18 Zener diode offers precise voltage regulation and protection in a compact package, making it suitable for various electronic applications.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق ZM4748A-GS18 في الحلول التقنية

  1. What is the maximum reverse voltage of ZM4748A-GS18?

    • The maximum reverse voltage of ZM4748A-GS18 is 1000V.

  2. What is the forward current of ZM4748A-GS18?

    • The forward current of ZM4748A-GS18 is 1A.

  3. What is the peak forward surge current for ZM4748A-GS18?

    • The peak forward surge current for ZM4748A-GS18 is 40A.

  4. What is the typical junction capacitance of ZM4748A-GS18?

    • The typical junction capacitance of ZM4748A-GS18 is 15pF.

  5. What are the applications of ZM4748A-GS18?

    • ZM4748A-GS18 is commonly used in power supplies, inverters, and industrial equipment.

  6. What is the operating temperature range for ZM4748A-GS18?

    • The operating temperature range for ZM4748A-GS18 is -65°C to +175°C.

  7. Does ZM4748A-GS18 have a low leakage current?

    • Yes, ZM4748A-GS18 has a low leakage current.

  8. Is ZM4748A-GS18 RoHS compliant?

    • Yes, ZM4748A-GS18 is RoHS compliant.

  9. What is the package type of ZM4748A-GS18?

    • ZM4748A-GS18 comes in a DO-214AC (SMA) package.

  10. Can ZM4748A-GS18 be used for overvoltage protection?

    • Yes, ZM4748A-GS18 can be used for overvoltage protection in various electronic circuits.