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MMBZ5235B from FAIRCHILD,Fairchild Semiconductor

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MMBZ5235B

Manufacturer: FAIRCHILD, MOTO

Surface nount zener diode. 350 mW. Nominal zen. Vltg @ Izt Vz 6.8 V. Test current 20.0 mA.

Partnumber Manufacturer Quantity Availability
MMBZ5235B FAIRCHILD, MOTO 8877 In Stock

Description and Introduction

Surface nount zener diode. 350 mW. Nominal zen. Vltg @ Izt Vz 6.8 V. Test current 20.0 mA. # Introduction to the MMBZ5235B Zener Diode  

The **MMBZ5235B** is a surface-mount Zener diode designed for voltage regulation and protection in electronic circuits. As part of the **MMBZ52xxB** series, it provides a stable reference voltage by operating in the reverse breakdown region, making it ideal for applications requiring precise voltage clamping.  

This component features a **5.6V nominal Zener voltage (Vz)** with a tight tolerance, ensuring reliable performance in power management, signal conditioning, and transient suppression. Its compact **SOD-123 package** allows for efficient PCB space utilization while maintaining good thermal characteristics.  

Key specifications of the **MMBZ5235B** include a **500mW power dissipation** rating and a low dynamic impedance, which enhances its ability to maintain voltage stability under varying load conditions. Additionally, it offers fast response times, making it suitable for protecting sensitive components from voltage spikes in circuits such as power supplies, automotive electronics, and communication devices.  

Engineers often select the **MMBZ5235B** for its balance of performance and size, particularly in portable and space-constrained designs. When integrating this Zener diode, proper consideration of power dissipation and thermal management is essential to ensure long-term reliability.  

In summary, the **MMBZ5235B** is a versatile and efficient solution for voltage regulation and overvoltage protection, combining precision, compactness, and robustness for modern electronic applications.

Application Scenarios & Design Considerations

Surface nount zener diode. 350 mW. Nominal zen. Vltg @ Izt Vz 6.8 V. Test current 20.0 mA.

Alternative Part Number

  • BZX84C6V8 --: 6.8V zener in SOT-23 with similar tolerance and power rating, widely available and pin-compatible.
  • MMSZ5235B --: Same 6.8V zener voltage and SOT-23 package from a major supplier, direct functional equivalent.
  • 1N5235B --: Axial-leaded 6.8V zener with identical electrical characteristics; usable if through-hole mounting is acceptable.

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