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MMSZ5256BT1 from FAIRCHILD,Fairchild Semiconductor

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MMSZ5256BT1

Manufacturer: FAIRCHILD, ON, MOTO

Zener Regulator 30V

Partnumber Manufacturer Quantity Availability
MMSZ5256BT1 FAIRCHILD, ON, MOTO 22647 In Stock

Description and Introduction

Zener Regulator 30V # Introduction to the MMSZ5256BT1 Zener Diode  

The **MMSZ5256BT1** 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 with a nominal Zener voltage of **56V** and a power dissipation rating of **500mW**, making it suitable for low-power applications.  

Constructed in a **SOD-123 package**, this diode is compact and ideal for space-constrained designs, such as portable devices, power supplies, and automotive electronics. Its small form factor ensures efficient PCB layout while maintaining reliable performance.  

Key features of the MMSZ5256BT1 include:  
- **56V nominal Zener voltage** (±5% tolerance)  
- **Low leakage current** for improved efficiency  
- **Fast response time** for transient voltage suppression  
- **High reliability** with robust construction  

Common applications include voltage clamping, surge protection, and voltage reference circuits. The diode helps safeguard sensitive components from overvoltage conditions, ensuring stable operation in environments with fluctuating power inputs.  

Engineers favor the MMSZ5256BT1 for its balance of performance, size, and cost-effectiveness. Whether used in consumer electronics, industrial controls, or telecommunications, this Zener diode provides a dependable solution for maintaining circuit integrity under varying electrical conditions.  

For detailed specifications, designers should refer to the manufacturer’s datasheet to ensure proper integration into their projects.

Application Scenarios & Design Considerations

Zener Regulator 30V

Alternative Part Number

  • BZT52C30 --: 30V zener in SOD-123 with similar power rating, widely available and a common cross for MMSZ5256B.
  • 1N5256B --: Axial-lead 30V zener with the same 500mW class rating, useful where board space allows leaded parts.
  • DDZ30CSF-7 --: 30V zener in SOD-323 with comparable tolerance and power, suitable as a compact surface-mount substitute.
  • MMSZ5256B --: Same 30V zener specification in SOD-123 package from an alternate manufacturer for second-source supply.

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