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MMBZ20VALT1

Manufacturer: ON

SOT-23 COMMON ANODE DUAL ZENER OVERVOLTAGE TRANSIENT SUPPRESSORS 24 & 40 WATTS PEAK POWER

Partnumber Manufacturer Quantity Availability
MMBZ20VALT1 ON 1899 In Stock

Description and Introduction

SOT-23 COMMON ANODE DUAL ZENER OVERVOLTAGE TRANSIENT SUPPRESSORS 24 & 40 WATTS PEAK POWER **Introduction to the MMBZ20VALT1 Zener Diode**  

The MMBZ20VALT1 is a surface-mount Zener diode designed for voltage regulation and transient suppression in electronic circuits. As part of the small-signal diode family, it provides precise voltage clamping, making it suitable for protection and stabilization applications in low-power devices.  

This component features a nominal Zener voltage of 20V, offering reliable performance in reverse-bias conditions. Its compact SOD-323 package ensures space efficiency, making it ideal for modern PCB designs where miniaturization is critical. With a power dissipation rating of 225mW, the MMBZ20VALT1 is well-suited for portable electronics, communication systems, and precision instrumentation.  

Key characteristics include low leakage current and sharp breakdown characteristics, ensuring consistent voltage regulation under varying load conditions. The diode’s fast response time also enhances its effectiveness in protecting sensitive components from voltage spikes and ESD events.  

Engineers often integrate the MMBZ20VALT1 into voltage reference circuits, power supplies, and signal conditioning modules. Its robust construction and stable performance across a wide temperature range further enhance its reliability in industrial and consumer applications.  

For optimal performance, designers should consider operating conditions such as current limits and thermal management to maintain efficiency. The MMBZ20VALT1 remains a practical choice for applications requiring dependable voltage control in a compact form factor.

Application Scenarios & Design Considerations

SOT-23 COMMON ANODE DUAL ZENER OVERVOLTAGE TRANSIENT SUPPRESSORS 24 & 40 WATTS PEAK POWER

Alternative Part Number

  • BZX84C20 --: Single 20V zener diode in SOT-23, same package and voltage class; suitable replacement when the dual-diode configuration of the original is not required.
  • AZ23C20 --: Dual common-anode 20V zener in SOT-23, closely matching the dual-diode topology and voltage of the original part.
  • MMBZ20VAL --: Same dual 20V zener function in SOT-23 from the original vendor family, with a different ordering suffix and series naming.
  • PESD20VL1BA --: ESD protection diode with similar 20V working voltage and low capacitance, suitable replacement for transient suppression applications.
  • SD20C --: 20V transient voltage suppressor diode offering comparable clamping performance in a similar package.
  • ESD20V --: 20V ESD protection device with similar electrical characteristics and footprint compatibility.

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