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MMBZ5242B-7-F from DIODES

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MMBZ5242B-7-F

Manufacturer: DIODES, DIDOES

350mW SURFACE MOUNT ZENER DIODE

Partnumber Manufacturer Quantity Availability
MMBZ5242B-7-F,MMBZ5242B7F DIODES, DIDOES 11380 In Stock

Description and Introduction

350mW SURFACE MOUNT ZENER DIODE # Introduction to the MMBZ5242B-7-F Zener Diode  

The **MMBZ5242B-7-F** is a surface-mount Zener diode designed for voltage regulation and protection in electronic circuits. As part of the SOD-123 package family, it offers a compact footprint, making it suitable for space-constrained applications such as portable devices, power supplies, and signal conditioning circuits.  

This component features a **5.1V nominal Zener voltage (Vz)** with a tight tolerance, ensuring stable voltage clamping performance. Its low dynamic impedance and reliable breakdown characteristics make it ideal for precision voltage reference and transient suppression tasks. With a power dissipation rating of **350mW**, the MMBZ5242B-7-F balances efficiency and thermal performance in moderate-load scenarios.  

Key attributes include a **reverse leakage current (Ir) of 5µA (max) at 1V** and an operating temperature range of **-55°C to +150°C**, ensuring functionality in diverse environmental conditions. The diode’s fast response time enhances its effectiveness in protecting sensitive components from voltage spikes and electrostatic discharge (ESD).  

Engineers often integrate the MMBZ5242B-7-F into circuits requiring stable biasing, overvoltage protection, or signal clamping. Its compatibility with automated assembly processes further supports high-volume manufacturing.  

In summary, the MMBZ5242B-7-F is a versatile and dependable Zener diode, combining precision voltage regulation with robust protection capabilities in a compact form factor. Its performance characteristics make it a preferred choice for modern electronic designs.

Application Scenarios & Design Considerations

350mW SURFACE MOUNT ZENER DIODE

Alternative Part Number

  • BZT52C12-7-F --: 12V zener in SOD-123 with similar power rating and tolerance, widely available and pin-compatible for most MMBZ5242B applications.
  • MMSZ5242BT1G --: 12V zener in SOD-123 with 5% tolerance, direct functional equivalent from a major second source.
  • 1N5242B --: Classic 12V axial-lead zener with 5% tolerance; suitable replacement where board space allows leaded parts.
  • 1N4742A --: 12V 1W zener diode in DO-41 axial package, suitable if through-hole mounting is acceptable and offers higher power margin.

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