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MMBZ5228BLT1 from ON,ON Semiconductor

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MMBZ5228BLT1

Manufacturer: ON, MOTOROLA

Small Signal

Partnumber Manufacturer Quantity Availability
MMBZ5228BLT1 ON, MOTOROLA 7160 In Stock

Description and Introduction

Small Signal **Introduction to the MMBZ5228BLT1 Zener Diode**  

The MMBZ5228BLT1 is a surface-mount Zener diode designed for voltage regulation and transient suppression in electronic circuits. Part of the MMBZ series, this component features a compact SOT-23 package, making it suitable for space-constrained applications such as portable devices, power supplies, and communication systems.  

With a nominal Zener voltage of 3.3V, the MMBZ5228BLT1 provides stable voltage clamping, protecting sensitive components from overvoltage conditions. Its low leakage current and sharp breakdown characteristics ensure reliable performance in precision circuits. The diode is optimized for fast response to voltage spikes, enhancing system durability in environments prone to electrical noise or surges.  

Key specifications include a power dissipation of 350mW and an operating temperature range of -55°C to +150°C, ensuring functionality across diverse conditions. The device is also RoHS-compliant, meeting modern environmental standards.  

Common applications include voltage reference circuits, ESD protection, and signal conditioning. Engineers favor the MMBZ5228BLT1 for its balance of performance, size, and cost-effectiveness in both consumer and industrial designs.  

For optimal results, designers should consider thermal management and adhere to recommended operating parameters to maintain long-term reliability. Datasheets provide detailed guidelines for integration, ensuring proper functionality within circuit designs.  

In summary, the MMBZ5228BLT1 offers a dependable solution for voltage regulation and protection, combining efficiency with compact form factor—an essential component for modern electronics.

Application Scenarios & Design Considerations

Small Signal

Alternative Part Number

  • BZX84C3V9 --: 3.9V 350mW zener in SOT-23, same package and voltage class as the original, widely available and a common cross-reference.
  • MMSZ5228B --: 3.9V 500mW zener in SOD-123 with equivalent electrical ratings, from a different series and manufacturer for easy distinction.
  • 1N5228B --: 3.9V 500mW axial-lead zener with the same voltage and power class, suitable when a through-hole alternative is acceptable.

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