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MMSZ30T1 from MOTO,Motorola

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MMSZ30T1

Manufacturer: MOTO, ON

Zener Regulator

Partnumber Manufacturer Quantity Availability
MMSZ30T1 MOTO, ON 475199 In Stock

Description and Introduction

Zener Regulator # Introduction to the MMSZ30T1 Zener Diode  

The **MMSZ30T1** is a surface-mount Zener diode designed for voltage regulation and protection in electronic circuits. As part of the **MMSZ series**, this component provides a stable reference voltage by operating in the reverse breakdown region, making it ideal for applications requiring precise voltage clamping or regulation.  

With a **30V Zener voltage (Vz)**, the MMSZ30T1 ensures consistent performance across a range of currents while maintaining low leakage in forward bias. Its compact **SOD-123 package** allows for efficient PCB space utilization, making it suitable for modern, high-density designs. The diode features a **500mW power dissipation rating**, balancing performance with thermal management in small-scale applications.  

Common uses include **voltage stabilization** in power supplies, **ESD protection** for sensitive ICs, and **signal conditioning** in communication circuits. Its fast response time and reliability make it a preferred choice for consumer electronics, automotive systems, and industrial controls.  

Key specifications of the MMSZ30T1 include a **tolerance of ±5% on Vz**, ensuring accuracy, and a **low dynamic impedance**, which enhances stability under varying load conditions. Engineers value its repeatable performance and robustness in harsh environments.  

For designers seeking a dependable Zener diode in a compact form factor, the MMSZ30T1 offers an efficient solution for voltage regulation and transient suppression without compromising on reliability.

Application Scenarios & Design Considerations

Zener Regulator

Alternative Part Number

  • BZT52C30 --: 30V zener diode in SOD-123 package, same voltage and power class, widely available and pin-compatible replacement.
  • MMSZ5256B --: 30V zener in SOD-123 with similar 500mW rating, direct functional equivalent from a major supplier.
  • 1N4751A --: 30V 1W zener diode offering equivalent voltage regulation, usable where higher power dissipation is acceptable.

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