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MMSZ4709T1 from ON,ON Semiconductor

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MMSZ4709T1

Manufacturer: ON

Zener Regulator

Partnumber Manufacturer Quantity Availability
MMSZ4709T1 ON 3000 In Stock

Description and Introduction

Zener Regulator # Introduction to the MMSZ4709T1 Zener Diode  

The **MMSZ4709T1** is a surface-mount Zener diode designed for voltage regulation and protection in electronic circuits. As part of the **MMSZ series**, it offers precise voltage stabilization, making it suitable for applications requiring reliable clamping or reference voltage generation.  

### Key Features  

- **Zener Voltage (Vz):** 9.1V (typical) with a tight tolerance for consistent performance.  
- **Power Dissipation:** 500mW, providing sufficient handling capability for low-power circuits.  
- **Package Type:** SOD-123, a compact surface-mount form factor ideal for space-constrained designs.  
- **Low Leakage Current:** Ensures minimal power loss when operating below the breakdown voltage.  

### Applications  

The MMSZ4709T1 is commonly used in:  
- **Voltage Regulation:** Stabilizing power supply outputs in portable electronics.  
- **Overvoltage Protection:** Safeguarding sensitive components from transient spikes.  
- **Signal Clipping:** Limiting signal amplitudes in communication circuits.  

### Advantages  

Its small size and high reliability make it a preferred choice for modern PCB designs. The diode’s sharp breakdown characteristic ensures accurate voltage control, while its robust construction enhances durability in various operating conditions.  

For engineers seeking a dependable Zener diode for precision voltage regulation, the **MMSZ4709T1** offers an efficient and compact solution. Proper consideration of power dissipation and thermal management is recommended for optimal performance.

Application Scenarios & Design Considerations

Zener Regulator

Alternative Part Number

  • BZT52C24 --: 24V zener in SOD-123 with similar power rating, widely available and pin-compatible replacement for the MMSZ4709T1.
  • 1N4749A --: 24V 1W zener diode in DO-41 axial package; electrically equivalent and a common through-hole alternative if layout allows.
  • MMSZ5252B --: 24V zener in SOD-123 from the same family but different series naming; close voltage and power match for drop-in use.

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