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MMSZ5235B from ON,ON Semiconductor

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MMSZ5235B

Manufacturer: ON, FAIRCHILD

Zener Diodes

Partnumber Manufacturer Quantity Availability
MMSZ5235B ON, FAIRCHILD 5956 In Stock

Description and Introduction

Zener Diodes **Introduction to the MMSZ5235B Zener Diode**  

The MMSZ5235B is a surface-mount Zener diode designed for voltage regulation and protection in electronic circuits. With a nominal Zener voltage of 5.6V and a power dissipation of 500mW, this component is widely used in applications requiring precise voltage clamping, such as power supplies, signal conditioning, and transient suppression.  

Housed in a compact SOD-123 package, the MMSZ5235B offers excellent stability and low leakage current, making it suitable for space-constrained designs. Its sharp breakdown characteristics ensure reliable performance in both forward and reverse bias conditions. The diode’s low dynamic impedance enhances its ability to maintain a stable reference voltage under varying load conditions.  

Key features include a tight voltage tolerance (±5%) and a robust thermal performance, ensuring consistent operation across a temperature range of -65°C to +150°C. Additionally, its fast response time makes it effective in protecting sensitive components from voltage spikes and ESD events.  

Engineers often integrate the MMSZ5235B into circuits where precise voltage thresholds are critical, such as in voltage reference modules, overvoltage protection circuits, and signal clamping applications. Its reliability and compact form factor make it a preferred choice for consumer electronics, automotive systems, and industrial controls.  

For optimal performance, designers should consider the diode’s power derating at elevated temperatures and ensure proper PCB layout to minimize thermal stress. The MMSZ5235B remains a dependable solution for voltage regulation in modern electronic designs.

Application Scenarios & Design Considerations

Zener Diodes

Alternative Part Number

  • BZT52C6V8 --: 6.8V zener in SOD-123 with similar tolerance and power rating, widely available and pin-compatible.
  • 1N5235B --: Axial-lead 6.8V zener with the same electrical characteristics; usable where through-hole mounting is acceptable.
  • MMSZ4690T1G --: SOD-123 zener from a different series with comparable 6.8V regulation, offering a distinct part number option.
  • MMSZ4693 --: SOD-123 6.8V zener from a different series with comparable voltage and power ratings, offering an alternative source.

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